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Kontzedaki R, Orfanakis E, Sofra-Karanti G, Stamataki K, Philippidis A, Zoumi A, Velegrakis M. Verifying the Geographical Origin and Authenticity of Greek Olive Oils by Means of Optical Spectroscopy and Multivariate Analysis. Molecules 2020; 25:molecules25184180. [PMID: 32932640 PMCID: PMC7570594 DOI: 10.3390/molecules25184180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/21/2022] Open
Abstract
Olive oil samples from three different Greek regions (Crete, Peloponnese and Lesvos) were examined by optical spectroscopy in a wide spectral region from ultraviolet to near infrared using absorption, fluorescence and Raman spectroscopies. With the aid of machine learning methods, such as multivariate partial least squares discriminant analysis, a clear classification of samples originating from the different Greek geographical regions was revealed. Moreover, samples produced in different subareas of Crete and Peloponnese were also well discriminated. Furthermore, mixtures of olive oils from different geographical origins were studied employing partial least squares as a tool to establish a model between the actual and predicted compositions of the mixtures. The results demonstrated that optical spectroscopy combined with multivariate statistical analysis can be used as an emerging innovative alternative to the classical analytical methods for the identification of the origin and authenticity of olive oils.
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Affiliation(s)
- Renate Kontzedaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
- Department of Chemistry, University of Crete, 700 13 Heraklion, Crete, Greece
| | - Emmanouil Orfanakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
- Department of Materials Science and Technology, University of Crete, 700 13 Heraklion, Crete, Greece
| | - Georgia Sofra-Karanti
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
- Department of Chemistry, University of Crete, 700 13 Heraklion, Crete, Greece
| | - Katerina Stamataki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
- Department of Chemistry, University of Crete, 700 13 Heraklion, Crete, Greece
| | - Aggelos Philippidis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
| | - Aikaterini Zoumi
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
| | - Michalis Velegrakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas (IESL-FORTH), 700 13 Heraklion, Crete, Greece; (R.K.); (E.O.); (G.S.-K.); (K.S.); (A.P.); (A.Z.)
- Correspondence: ; Tel.: +30-2810391122; Fax: +30-2810391305
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102
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Skrajda-Brdak M, Dąbrowski G, Konopka I. Edible flowers, a source of valuable phytonutrients and their pro-healthy effects – A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.06.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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103
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Mehmood A, Usman M, Patil P, Zhao L, Wang C. A review on management of cardiovascular diseases by olive polyphenols. Food Sci Nutr 2020; 8:4639-4655. [PMID: 32994927 PMCID: PMC7500788 DOI: 10.1002/fsn3.1668] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 05/07/2020] [Indexed: 12/21/2022] Open
Abstract
Noncommunicable diseases have increasingly grown the cause of morbidities and mortalities worldwide. Among them, cardiovascular diseases (CVDs) continue to be the major contributor to deaths. CVDs are common in the urban community population due to the substandard living conditions, which have a significant impact on the healthcare system, and over 23 million human beings are anticipated to suffer from the CVDs before 2030. At the moment, CVD physicians are immediately advancing both primary and secondary prevention modalities in high-risk populations. The cornerstone of CVD prevention is a healthy lifestyle that is more cost-effective than the treatments after disease onset. In fact, in the present scenario, comprehensive research conducted on food plant components is potentially efficacious in reducing some highly prevalent CVD risk factors, such as hypercholesterolemia, hypertension, and atherosclerosis. Polyphenols of olive oil (OO), virgin olive oil (VOO), and extra virgin olive oil contribute an essential role for the management of CVDs. Olive oil induces cardioprotective effects due to the presence of a plethora of polyphenolic compounds, for example, oleuropein (OL), tyrosol, and hydroxytyrosol. The present study examines the bioavailability and absorption of major olive bioactive compounds, for instance, oleacein, oleocanthal, OL, and tyrosol. This review also elucidates the snobbish connection of olive polyphenols (OP) and the potential mechanism involved in combating various CVD results taken up from the in vitro and in vivo studies, such as animal and human model studies.
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Affiliation(s)
- Arshad Mehmood
- Beijing Advance Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives School of Food and Chemical Technology Beijing Technology and Business University Beijing China
| | - Muhammad Usman
- Beijing Advance Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives School of Food and Chemical Technology Beijing Technology and Business University Beijing China
| | - Prasanna Patil
- Beijing Advance Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives School of Food and Chemical Technology Beijing Technology and Business University Beijing China
| | - Lei Zhao
- Beijing Advance Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives School of Food and Chemical Technology Beijing Technology and Business University Beijing China
| | - Chengtao Wang
- Beijing Advance Innovation Center for Food Nutrition and Human Health Beijing Technology and Business University Beijing China
- Beijing Engineering and Technology Research Center of Food Additives School of Food and Chemical Technology Beijing Technology and Business University Beijing China
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104
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Lammi C, Mulinacci N, Cecchi L, Bellumori M, Bollati C, Bartolomei M, Franchini C, Clodoveo ML, Corbo F, Arnoldi A. Virgin Olive Oil Extracts Reduce Oxidative Stress and Modulate Cholesterol Metabolism: Comparison between Oils Obtained with Traditional and Innovative Processes. Antioxidants (Basel) 2020; 9:antiox9090798. [PMID: 32867071 PMCID: PMC7555338 DOI: 10.3390/antiox9090798] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/17/2020] [Accepted: 08/24/2020] [Indexed: 01/02/2023] Open
Abstract
This study was aimed at demonstrating the substantial equivalence of two extra virgin olive oil samples extracted from the same batch of Coratina olives with (OMU) or without (OMN) using ultrasound technology, by performing chemical, biochemical, and cellular investigations. The volatile organic compounds compositions and phenolic profiles were very similar, showing that, while increasing the extraction yields, the innovative process does not change these features. The antioxidant and hypocholesterolemic activities of the extra virgin olive oil (EVOO) phenol extracts were also preserved, since OMU and OMN had equivalent abilities to scavenge the 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) radicals in vitro and to protect HepG2 cells from oxidative stress induced by H2O2, reducing intracellular reactive oxygen species (ROS) and lipid peroxidation levels. In addition, by inhibiting 3-hydroxy-3-methylglutarylcoenzyme a reductase, both samples modulated the low-density lipoprotein receptor (LDLR) pathway leading to increased LDLR protein levels and activity.
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Affiliation(s)
- Carmen Lammi
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy; (C.B.); (M.B.); (A.A.)
- Correspondence: ; Tel.: +39-025-031-9372
| | - Nadia Mulinacci
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy; (N.M.); (L.C.); (M.B.)
| | - Lorenzo Cecchi
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy; (N.M.); (L.C.); (M.B.)
| | - Maria Bellumori
- Department of Neuroscience, Psychology, Drug and Child Health, Pharmaceutical and Nutraceutical Section, University of Florence, 50019 Florence, Italy; (N.M.); (L.C.); (M.B.)
| | - Carlotta Bollati
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy; (C.B.); (M.B.); (A.A.)
| | - Martina Bartolomei
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy; (C.B.); (M.B.); (A.A.)
| | - Carlo Franchini
- Department of Pharmacy-Pharmaceutical Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (C.F.); (F.C.)
| | - Maria Lisa Clodoveo
- Interdisciplinary Department of Medicine, University Aldo Moro Bari, 70125 Bari, Italy;
| | - Filomena Corbo
- Department of Pharmacy-Pharmaceutical Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (C.F.); (F.C.)
| | - Anna Arnoldi
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy; (C.B.); (M.B.); (A.A.)
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105
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Wide Biological Role of Hydroxytyrosol: Possible Therapeutic and Preventive Properties in Cardiovascular Diseases. Cells 2020; 9:cells9091932. [PMID: 32825589 PMCID: PMC7565717 DOI: 10.3390/cells9091932] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 12/14/2022] Open
Abstract
The growing incidence of cardiovascular disease (CVD) has promoted investigations of natural molecules that could prevent and treat CVD. Among these, hydroxytyrosol, a polyphenolic compound of olive oil, is well known for its antioxidant, anti-inflammatory, and anti-atherogenic effects. Its strong antioxidant properties are due to the scavenging of radicals and the stimulation of synthesis and activity of antioxidant enzymes (SOD, CAT, HO-1, NOS, COX-2, GSH), which also limit the lipid peroxidation of low-density lipoprotein (LDL) cholesterol, a hallmark of atherosclerosis. Lowered inflammation and oxidative stress and an improved lipid profile were also demonstrated in healthy subjects as well as in metabolic syndrome patients after hydroxytyrosol (HT) supplementation. These results might open a new therapeutic scenario through personalized supplementation of HT in CVDs. This review is the first attempt to collect together scientific literature on HT in both in vitro and in vivo models, as well as in human clinical studies, describing its potential biological effects for cardiovascular health.
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106
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Fonollá J, Maldonado-Lobón JA, Luque R, Rodríguez C, Bañuelos Ó, López-Larramendi JL, Olivares M, Blanco-Rojo R. Effects of a Combination of Extracts from Olive Fruit and Almonds Skin on Oxidative and Inflammation Markers in Hypercholesterolemic Subjects: A Randomized Controlled Trial. J Med Food 2020; 24:479-486. [PMID: 32816626 PMCID: PMC8140357 DOI: 10.1089/jmf.2020.0088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Hydroxytyrosol (HT) from olives and polyphenols from almond skin (ASPs) possess cardioprotective properties. This pilot study evaluates the effect of supplementation with a combination of olive fruit and almond skin extracts on low-density lipoprotein (LDL) cholesterol oxidation, lipid homeostasis, and inflammatory parameters in adults with moderate hypercholesterolemia. A randomized, parallel, double-blind, placebo-controlled pilot study of 8 weeks was performed. The extract group (EG) received the supplement with 7.5 mg HT +210 mg ASPs, and the control group (CG) received a placebo composed of maltodextrin. Oxidized LDL (oxLDL) levels and the oxLDL/LDL ratio were lower in the EG than in the CG after 8 weeks of treatment (18.76 ± 3.91 vs. 10.34 ± 4.22, P < .001 and 0.151 ± 0.025 vs. 0.08 ± 0.023, P < .001, respectively). Interleukin-1β levels were significantly higher in the CG than in the EG at week 4 (P = .004), IL-6 was significantly higher in the CG than in the EG at week 4 (P = .049), and IL-10 was significantly increased at week 4 in both groups (P = .002 for CG and P = .001 for EG). In conclusion, daily consumption of a combination of an olive fruit extract and an almond skin extract for 8 weeks seems to protect LDL from oxidation and to prevent inflammatory status in moderately hypercholesterolemic subjects.
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Affiliation(s)
- Juristo Fonollá
- Research and Development Department, Biosearch Life, Granada, Spain.,Faculty of Pharmacy, University of Granada, Granada, Spain
| | | | - Roberto Luque
- Research and Development Department, Biosearch Life, Granada, Spain
| | - Carlos Rodríguez
- Research and Development Department, Biosearch Life, Granada, Spain
| | - Óscar Bañuelos
- Research and Development Department, Biosearch Life, Granada, Spain
| | | | - Mónica Olivares
- Research and Development Department, Biosearch Life, Granada, Spain
| | - Ruth Blanco-Rojo
- Research and Development Department, Biosearch Life, Granada, Spain
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107
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Cedó L, Fernández-Castillejo S, Rubió L, Metso J, Santos D, Muñoz-Aguayo D, Rivas-Urbina A, Tondo M, Méndez-Lara KA, Farràs M, Jauhiainen M, Motilva MJ, Fitó M, Blanco-Vaca F, Solà R, Escolà-Gil JC. Phenol-Enriched Virgin Olive Oil Promotes Macrophage-Specific Reverse Cholesterol Transport In Vivo. Biomedicines 2020; 8:biomedicines8080266. [PMID: 32756328 PMCID: PMC7460104 DOI: 10.3390/biomedicines8080266] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 07/28/2020] [Accepted: 07/29/2020] [Indexed: 12/16/2022] Open
Abstract
The intake of olive oil (OO) enriched with phenolic compounds (PCs) promotes ex vivo HDL-mediated macrophage cholesterol efflux in humans. We aimed to determine the effects of PC-enriched virgin OO on reverse cholesterol transport (RevCT) from macrophages to feces in vivo. Female C57BL/6 mice were given intragastric doses of refined OO (ROO) and a functional unrefined virgin OO enriched with its own PC (FVOO) for 14 days. Our experiments included two independent groups of mice that received intragastric doses of the phenolic extract (PE) used to prepare the FVOO and the vehicle solution (saline), as control, for 14 days. FVOO intake led to a significant increase in serum HDL cholesterol and its ability to induce macrophage cholesterol efflux in vitro when compared with ROO group. This was concomitant with the enhanced macrophage-derived [3H]cholesterol transport to feces in vivo. PE intake per se also increased HDL cholesterol levels and significantly promoted in vivo macrophage-to-feces RevCT rate when compared with saline group. PE upregulated the expression of the main macrophage transporter involved in macrophage cholesterol efflux, the ATP binding cassettea1. Our data provide direct evidence of the crucial role of OO PCs in the induction of macrophage-specific RevCT in vivo.
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Affiliation(s)
- Lídia Cedó
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
- Correspondence: (L.C.); (J.C.E.-G.)
| | - Sara Fernández-Castillejo
- Surgery Department-Functional Nutrition, Oxidation, and CVD Research Group (NFOC-Salut), Faculty of Medicine and Health Sciences-Medicine, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.F.-C.); (L.R.); (R.S.)
- Fundació EURECAT—Centre Tecnològic de Nutrició i Salut, 43204 Reus, Spain
| | - Laura Rubió
- Surgery Department-Functional Nutrition, Oxidation, and CVD Research Group (NFOC-Salut), Faculty of Medicine and Health Sciences-Medicine, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.F.-C.); (L.R.); (R.S.)
- Food Technology Department, Universitat de Lleida-Agrotecnio Center, 25198 Lleida, Spain
| | - Jari Metso
- Minerva Foundation Institute for Medical Research and National Institute for Health and Welfare, Genomics and Biomarkers Unit, 00290 Helsinki, Finland; (J.M.); (M.J.)
| | - David Santos
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
| | - Daniel Muñoz-Aguayo
- IMIM Hospital del Mar Medical Research Institute, Grup de Risc Cardiovascular i Nutrició, 08003 Barcelona, Spain; (D.M.-A.); (M.F.)
- CIBER of Physiopathology of Obesity and Nutrition CIBEROBN, Grup de Risc Cardiovascular i Nutrició, 28029 Madrid, Spain
| | - Andrea Rivas-Urbina
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain
| | - Mireia Tondo
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
| | - Karen Alejandra Méndez-Lara
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain
| | - Marta Farràs
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
| | - Matti Jauhiainen
- Minerva Foundation Institute for Medical Research and National Institute for Health and Welfare, Genomics and Biomarkers Unit, 00290 Helsinki, Finland; (J.M.); (M.J.)
| | - Maria-José Motilva
- Instituto de Ciencias de la Vid y del Vino-ICVV (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Finca “La Grajera”, 26007 Logroño, La Rioja, Spain;
| | - Montserrat Fitó
- IMIM Hospital del Mar Medical Research Institute, Grup de Risc Cardiovascular i Nutrició, 08003 Barcelona, Spain; (D.M.-A.); (M.F.)
- CIBER of Physiopathology of Obesity and Nutrition CIBEROBN, Grup de Risc Cardiovascular i Nutrició, 28029 Madrid, Spain
| | - Francisco Blanco-Vaca
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain
| | - Rosa Solà
- Surgery Department-Functional Nutrition, Oxidation, and CVD Research Group (NFOC-Salut), Faculty of Medicine and Health Sciences-Medicine, Universitat Rovira i Virgili, 43201 Reus, Spain; (S.F.-C.); (L.R.); (R.S.)
- Fundació EURECAT—Centre Tecnològic de Nutrició i Salut, 43204 Reus, Spain
- Hospital Universitari Sant Joan de Reus HUSJR, NFOC-Salut, 43204 Reus, Spain
| | - Joan Carles Escolà-Gil
- Institut d’Investigacions Biomèdiques IIB Sant Pau, 08041 Barcelona, Spain; (D.S.); (A.R.-U.); (M.T.); (K.A.M.-L.); (M.F.); (F.B.-V.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain
- Correspondence: (L.C.); (J.C.E.-G.)
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108
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Daimiel L, Micó V, Valls RM, Pedret A, Motilva MJ, Rubió L, Fitó M, Farrás M, Covas MI, Solá R, Ordovás JM. Impact of Phenol-Enriched Virgin Olive Oils on the Postprandial Levels of Circulating microRNAs Related to Cardiovascular Disease. Mol Nutr Food Res 2020; 64:e2000049. [PMID: 32562310 PMCID: PMC7507201 DOI: 10.1002/mnfr.202000049] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/06/2020] [Indexed: 12/19/2022]
Abstract
SCOPE We investigate the postprandial modulation of cardiovascular-related microRNAs elicited by extra virgin olive oil (EVOOs) containing different levels of their own polyphenols. METHODS AND RESULTS It is randomized, postprandial, parallel, double-blind study. Twelve healthy participants consumed 30 mL of EVOO containing low (L-EVOO; 250 mg total phenols kg-1 of oil), medium (M-EVOO; 500 mg total phenols kg-1 of oil), and high (H-EVOO; 750 mg total phenols kg-1 of oil) enriched EVOOs. Postprandial plasma microRNAs levels are analyzed by real-time quantitative PCR. The results show that L-EVOO intake is associated with decreased let-7e-5p and miR-328a-3p levels and increased miR-17-5p and miR-20a-5p, concentrations. M-EVOO decreases plasma let-7e-5p and increases miR-17-5p, miR-20a-5p, and miR-192-5p levels. Finally, H-EVOO decreases let-7e-5p, miR-10a-5p, miR-21-5p, and miR-26b-5p levels. CONCLUSION During the postprandial state, the levels of let-7e-5p decrease with EVOO regardless of polyphenol content suggesting a general response to the fatty acid composition of EVOO or/and the presence of at least 250 mg polyphenol kg-1 olive oil. Moreover, the miR-17-92 cluster increases by low and medium polyphenol content suggesting a role in fatty acid metabolism and nutrient sensing. Thus, postprandial modulation of circulating microRNAs levels could be a potential mechanism for the cardiovascular benefits associated with EVOO intake.
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Affiliation(s)
- Lidia Daimiel
- Nutritional Control of the Epigenome GroupInstituto Madrileño de EstudiosAvanzados (IMDEA) Food InstituteCEI UAM+CSICMadrid28049Spain
| | - Víctor Micó
- Nutritional Control of the Epigenome GroupInstituto Madrileño de EstudiosAvanzados (IMDEA) Food InstituteCEI UAM+CSICMadrid28049Spain
| | - Rosa M Valls
- Functional NutritionOxidation and Cardiovascular Disease Research GroupUniversitat Rovira i VirgiliHospital Universitari Sant JoanEURECATReus43204Spain
| | - Anna Pedret
- Functional NutritionOxidation and Cardiovascular Disease Research GroupUniversitat Rovira i VirgiliHospital Universitari Sant JoanEURECATReus43204Spain
| | - María José Motilva
- Food Technology DepartmentAgrotecnio CenterEscola Tècnica Superior d'Enginyeria AgràriaUniversity of LleidaLleida25198Spain
- Present address:
Instituto de Ciencias de la Vid y del Vino‐ICVV (CSIC‐Consejo Superior de Investigaciones CientíficasUniversidad de La Rioja, Gobierno de La Rioja)Finca La Grajera, Ctra. de Burgos Km. 6 (LO‐20 ‐ salida 13)Logroño (La Rioja)26007Spain
| | - Laura Rubió
- Instituto de Ciencias de la Vid y del Vino‐ICVV(CSIC‐Consejo Superior de Investigaciones Científicas, Universidad de La Rioja, Gobierno de La Rioja)Finca La Grajera, Ctra. de Burgos Km. 6 (LO‐20 – salida 13)LogroñoLa Rioja26007Spain
| | - Montse Fitó
- Cardiovascular Risk and Nutrition (Regicor Study Group)Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain. CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN)Institute of Health Carlos IIIMadrid28029Spain
| | - Marta Farrás
- Cardiovascular Risk and Nutrition (Regicor Study Group)Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain. CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN)Institute of Health Carlos IIIMadrid28029Spain
| | - María Isabel Covas
- Cardiovascular Risk and Nutrition (Regicor Study Group)Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain. CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN)Institute of Health Carlos IIIMadrid28029Spain
| | - Rosa Solá
- Functional NutritionOxidation and Cardiovascular Disease Research GroupUniversitat Rovira i VirgiliHospital Universitari Sant JoanEURECATReus43204Spain
| | - José M. Ordovás
- Nutritional Genomics and Epigenomics GroupInstituto Madrileño de Estudios Avanzados (IMDEA) Food InstituteCEI UAM+CSICMadrid28049Spain
- Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on AgingTufts University School of MedicineBostonMA02111USA
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109
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Melguizo Rodríguez L, Illescas-Montes R, Costela-Ruiz VJ, García-Martínez O. Stimulation of brown adipose tissue by polyphenols in extra virgin olive oil. Crit Rev Food Sci Nutr 2020; 61:3481-3488. [PMID: 32723184 DOI: 10.1080/10408398.2020.1799930] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Obesity is one of the main public health problems of the 21st century resulting from an imbalance between calorie intake and energy expenditure. Currently, the search for new treatments against this pathology has become a priority. One of the therapeutic strategies against obesity could be the activation of brown adipose tissue through different molecules such as the phenolic compounds of extra virgin olive oil (EVOO). The objective of this review was to provide an update of scientific knowledge on the relationship between EVOO phenolic compounds and brown adipose tissue.According to this review, it has been demonstrated that extra virgin olive oil phenolic compounds can have beneficial effects on obesity by activating brown adipose tissue and enhance thermogenesis through different signaling pathways mediated by molecules such as AMP-activated protein kinase (AMPK), peroxisome proliferator-activated receptor γ coactivator-1α (PGC1α) or sirtuin 1 (Sirt1).
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Affiliation(s)
- L Melguizo Rodríguez
- Department of Nursing, Faculty of Health Sciences (Ceuta), Biomedical Group (BIO277), University of Granada, Ceuta, Spain.,Instituto Investigación Biosanitaria, ibs.Granada, Granada, Spain
| | - R Illescas-Montes
- Instituto Investigación Biosanitaria, ibs.Granada, Granada, Spain.,Department of Nursing, Faculty of Health Sciences, Biomedical Group (BIO277), University of Granada, Granada, Spain
| | - V J Costela-Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, Granada, Spain.,Department of Nursing, Faculty of Health Sciences, Biomedical Group (BIO277), University of Granada, Granada, Spain
| | - O García-Martínez
- Instituto Investigación Biosanitaria, ibs.Granada, Granada, Spain.,Department of Nursing, Faculty of Health Sciences, Biomedical Group (BIO277), University of Granada, Granada, Spain
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110
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Farràs M, Martinez-Gili L, Portune K, Arranz S, Frost G, Tondo M, Blanco-Vaca F. Modulation of the Gut Microbiota by Olive Oil Phenolic Compounds: Implications for Lipid Metabolism, Immune System, and Obesity. Nutrients 2020; 12:nu12082200. [PMID: 32718098 PMCID: PMC7468985 DOI: 10.3390/nu12082200] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 07/20/2020] [Indexed: 12/11/2022] Open
Abstract
There is extensive information of the beneficial effects of virgin olive oil (VOO), especially on cardiovascular diseases. Some VOO healthy properties have been attributed to their phenolic-compounds (PCs). The aim of this review is to present updated data on the effects of olive oil (OO) PCs on the gut microbiota, lipid metabolism, immune system, and obesity, as well as on the crosstalk among them. We summarize experiments and clinical trials which assessed the specific effects of the olive oil phenolic-compounds (OOPCs) without the synergy with OO-fats. Several studies have demonstrated that OOPC consumption increases Bacteroidetes and/or reduces the Firmicutes/Bacteroidetes ratio, which have both been related to atheroprotection. OOPCs also increase certain beneficial bacteria and gut-bacteria diversity which can be therapeutic for lipid-immune disorders and obesity. Furthermore, some of the mechanisms implicated in the crosstalk between OOPCs and these disorders include antimicrobial-activity, cholesterol microbial metabolism, and metabolites produced by bacteria. Specifically, OOPCs modulate short-chain fatty-acids produced by gut-microbiota, which can affect cholesterol metabolism and the immune system, and may play a role in weight gain through promoting satiety. Since data in humans are scarce, there is a necessity for more clinical trials designed to assess the specific role of the OOPCs in this crosstalk.
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Affiliation(s)
- Marta Farràs
- Institut de Recerca de l’Hospital Santa Creu i Sant Pau, Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 08907 Barcelona, Spain;
- Correspondence: ; Tel.: +34-935537595
| | - Laura Martinez-Gili
- Division of Systems Medicine, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK;
| | - Kevin Portune
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, AstondoBidea, Edificio 609, 48160 Derio, Spain; (K.P.); (S.A.)
| | - Sara Arranz
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, AstondoBidea, Edificio 609, 48160 Derio, Spain; (K.P.); (S.A.)
| | - Gary Frost
- Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK;
| | - Mireia Tondo
- Hospital de la Santa Creu i Sant Pau, Servei de Bioquímica-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain;
| | - Francisco Blanco-Vaca
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 08907 Barcelona, Spain;
- Hospital de la Santa Creu i Sant Pau, Servei de Bioquímica-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
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111
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Ibrahim N‘I, Fairus S, Naina Mohamed I. The Effects and Potential Mechanism of Oil Palm Phenolics in Cardiovascular Health: A Review on Current Evidence. Nutrients 2020; 12:nu12072055. [PMID: 32664390 PMCID: PMC7400923 DOI: 10.3390/nu12072055] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 07/05/2020] [Accepted: 07/07/2020] [Indexed: 12/19/2022] Open
Abstract
Cardiovascular disease (CVD) is globally known as the number one cause of death with hyperlipidemia as a strong risk factor for CVD. The initiation of drug treatment will be recommended if lifestyle modification fails. However, medicines currently used for improving cholesterol and low-density lipoprotein cholesterols (LDL-C) levels have been associated with various side effects. Thus, alternative treatment with fewer or no side effects needs to be explored. A potential agent, oil palm phenolics (OPP) recovered from the aqueous waste of oil palm milling process contains numerous water-soluble phenolic compounds. It has been postulated that OPP has shown cardioprotective effects via several mechanisms such as cholesterol biosynthesis pathway, antioxidant and anti-inflammatory properties. This review aims to summarize the current evidence explicating the actions of OPP in cardiovascular health and the mechanisms that maybe involved for the cardioprotective effects.
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Affiliation(s)
- Nurul ‘Izzah Ibrahim
- Pharmacoepidemiology and Drug Safety Unit, Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur 56000, Malaysia;
| | - Syed Fairus
- Malaysian Palm Oil Board (MPOB), No. 6 Persiaran Institusi, Bandar Baru Bangi, Kajang Selangor 43000, Malaysia;
| | - Isa Naina Mohamed
- Pharmacoepidemiology and Drug Safety Unit, Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur 56000, Malaysia;
- Correspondence: ; Tel.: +60-3-9145-9545
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112
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Bonfigli AR, Protic O, Olivieri F, Montesanto A, Malatesta G, Di Pillo R, Antonicelli R. Effects of a novel nutraceutical combination (BruMeChol™) in subjects with mild hypercholesterolemia: study protocol of a randomized, double-blind, controlled trial. Trials 2020; 21:616. [PMID: 32631422 PMCID: PMC7336431 DOI: 10.1186/s13063-020-04551-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/23/2020] [Indexed: 01/07/2023] Open
Abstract
Background Elevated cholesterol levels and systemic inflammation are considered relevant risk factors for cardiovascular disease (CVD) development and progression. Increasing evidence suggests that cholesterol-lowering and inflammation-lowering nutraceuticals are useful in the management of moderate hypercholesterolemia. Here, we describe the study protocol of a clinical trial aimed to evaluate the cholesterol and inflammatory lowering effect of an innovative dietary supplement (BruMeChol™, Mivell S.r.l., Italy), composed of a mixture of extracts of bergamot and olive fruits in association with vitamin K2 in subjects with mild hypercholesterolemia. Methods The study was planned as a randomized, double-blind, placebo-controlled, parallel group clinical trial for 12 weeks at the Cardiology Unit of the IRCCS INRCA of Ancona, Italy. A total of 125 subjects (age ≥ 40 years) with mild hypercholesterolemia (total serum cholesterol levels ≥ 200 and ≤ 250 mg/dl) will be recruited. Intervention arm participants will take one capsule of dietary supplement two times a day, 15 min before the main meal. Control arm participants will receive one capsule of placebo in the same way. The dietary supplement capsule contains the following ingredients: phytosterols, flavonoid-rich extract of bergamot fruit (Citrus bergamia), flavonoid-rich extract of olive fruit (Olea europaea), and vitamin K2. Participants will undergo a medical evaluation and chemical-clinical examinations, which include lipid profile, glycemia, biomarkers of renal, liver and cardiac/muscular functions, interleukins (IL 6, IL-32, IL-37, and IL-38), and innovative mediators of inflammation such as inflamma-miRs (miR-21 and miR-146a), at baseline, and after 6 and 12 weeks of treatment. The decrease in total cholesterol levels and inflammatory biomarkers will be the primary and secondary endpoints of the study. Discussion This protocol study, planned to verify the effects of BruMeChol™ dietary supplementation in subjects with mild hypercholesterolemia, could also contribute to new study designs for next large-scale multicenter clinical trials. Trial registration Australian New Zealand Clinical Trials Registry: ACTRN12619000170123. Retrospectively registered on 5 February 2019
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Affiliation(s)
| | - Olga Protic
- Cardiology Unit, IRCCS INRCA, Via della Montagnola 81, 60131, Ancona, Italy.
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, Ancona, Italy.,Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy
| | - Alberto Montesanto
- Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | | | - Raffaele Di Pillo
- Cardiology Unit, IRCCS INRCA, Via della Montagnola 81, 60131, Ancona, Italy
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113
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Voltammetric Sensors Based on Nanomaterials for Detection of Caffeic Acid in Food Supplements. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors8020041] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Caffeic acid may be accurately detected in food supplements by using cyclic voltammetry and carbon screen-printed sensors modified with various nanomaterials. Sensor characterization by cyclic voltammetry in reference solutions has shown that carbon nanotubes or carbon nanofibers significantly improve the sensor response in terms of sensitivity and reversibility. Screen-printed sensors were then used in order to study the electrochemical behavior of caffeic acid in aqueous solution at pH 3.6. A redox process was observed in all cases, which corresponds to a reversible redox process involving the transfer of two electrons and two protons. The role of nanomaterials in the increment of sensor performance characteristics was evidenced. Calibration curves were developed for each sensor, and the detection (LOD) and quantification (LOQ) limits were calculated. Low LOD and LOQ values were obtained, in the 10−7 to 10−9 M range, which demonstrates that the method is feasible for quantification of caffeic acid in real samples. Caffeic acid was quantitatively determined in three food supplements using the most sensitive sensor, namely the carbon nanofiber sensor. The Folin–Ciocalteu spectrophotometric assay was used to validate the results obtained with the sensor. The results obtained by using the voltammetric method were consistent with those obtained by using the spectrophotometric method, with no statistically significant differences between the results obtained at 95% confidence level.
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114
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Gomez-Delgado F, Katsiki N, Lopez-Miranda J, Perez-Martinez P. Dietary habits, lipoprotein metabolism and cardiovascular disease: From individual foods to dietary patterns. Crit Rev Food Sci Nutr 2020; 61:1651-1669. [PMID: 32515660 DOI: 10.1080/10408398.2020.1764487] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cardiovascular disease (CVD) remains the first cause of mortality in Western countries. Among cardiometabolic risk factors, dyslipidemia, and especially high low-density lipoprotein cholesterol (LDL-C) concentrations, have been extensively linked to the development and progression of atherosclerosis and to CVD events. Recent evidence has shown that the prevention of unhealthy dietary habits and sedentarism is crucial in the management of dyslipidemia. In this sense, a number of scientific societies recommend the adherence to certain healthy dietary patterns (DPs), such as the Mediterranean diet (MedDiet), the Dietary Approaches to Stop Hypertension (DASH), the Portfolio diet, the Vegetarian diet, the Nordic diet and low-carbohydrate diets, as well as increased physical activity between others. This nutritional and lifestyle advice could be adopted by government bodies and implemented in different health programs as a reliable way of providing health-care professionals with efficient tools to manage cardiometabolic risk factors and thus, prevent CVD. In this narrative review, we will discuss recent data about the effects of nutrition on dyslipidemia, mainly focusing on high LDL-C concentrations and other lipid particles related to atherogenic dyslipidemia such as triglycerides (TG) and non-high density lipoprotein cholesterol (non-HDL-C), that are related to CVD. On the other hand, we also comment on other cardiometabolic risk factors such as type 2 diabetes mellitus (T2DM), high blood pressure (HBP), inflammation and endothelial dysfunction. This review includes food groups as well as different healthy DPs.
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Affiliation(s)
- Francisco Gomez-Delgado
- Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Cordoba, Cordoba, Spain.,CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Niki Katsiki
- First Department of Internal Medicine, Division of Endocrinology and Metabolism, Diabetes Center, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Jose Lopez-Miranda
- Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Cordoba, Cordoba, Spain.,CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Pablo Perez-Martinez
- Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Cordoba, Cordoba, Spain.,CIBER Fisiopatologia Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
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115
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Extra Virgin Olive Oil Phenol Extracts Exert Hypocholesterolemic Effects through the Modulation of the LDLR Pathway: In Vitro and Cellular Mechanism of Action Elucidation. Nutrients 2020; 12:nu12061723. [PMID: 32526887 PMCID: PMC7352813 DOI: 10.3390/nu12061723] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 01/14/2023] Open
Abstract
This study was aimed at investigating the hypocholesterolemic effects of extra virgin olive oil (EVOO) phenols and the mechanisms behind the effect. Two phenolic extracts were prepared from EVOO of different cultivars and analyzed using the International Olive Council (IOC) official method for total phenols, a recently validated hydrolytic procedure for total hydroxytyrosol and tyrosol, and 1H-NMR analysis in order to assess their secoiridoid profiles. Both of the extracts inhibited in vitro the 3-hydroxy-3-methylglutaryl co-enzyme A reductase (HMGCoAR) activity in a dose-dependent manner. After the treatment of human hepatic HepG2 cells (25 µg/mL), they increased the low-density lipoprotein (LDL) receptor protein levels through the activation of the sterol regulatory element binding proteins (SREBP)-2 transcription factor, leading to a better ability of HepG2 cells to uptake extracellular LDL molecules with a final hypocholesterolemic effect. Moreover, both of the extracts regulated the intracellular HMGCoAR activity through the increase of its phosphorylation by the activation of AMP-activated protein kinase (AMPK)-pathways. Unlike pravastatin, they did not produce any unfavorable effect on proprotein convertase subtilisin/kexin 9 (PCSK9) protein level. Finally, the fact that extracts with different secoiridoid profiles induce practically the same biological effects suggests that the hydroxytyrosol and tyrosol derivatives may have similar roles in hypocholesterolemic activity.
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116
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Extra Virgin Olive Oil Phenols Dilate the Rat Mesenteric Artery by Activation of BK Ca2+ Channels in Smooth Muscle Cells. Molecules 2020; 25:molecules25112601. [PMID: 32503254 PMCID: PMC7321220 DOI: 10.3390/molecules25112601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/15/2020] [Accepted: 05/29/2020] [Indexed: 12/25/2022] Open
Abstract
Accumulating evidence has shown the beneficial health effects of extra virgin olive oil (EVOO) consumption in reducing blood pressure and preventing the risk of developing hypertension. Some studies associate the hypotensive activity of EVOO to a minor component—the phenols. This study was designed to investigate the effects of EVOO phenols on the rat resistance mesenteric artery (MA) and to find out the possible vascular pathways involved. The experiments were carried out using a pressurized myograph, which allowed the effects of phenols on isolated MA to be tested under different conditions: (a) with endothelium removed; (b) with inhibition of nitric oxide synthase by Nω-Nitro-l-arginine methyl ester hydrochloride (l-NAME, 10−4 M) + Nω-Nitro-l-arginine (l-NNA, 10−4 M); (c) with inhibition of cyclooxygenase by indomethacin (10−5 M); (d) with inhibition of guanylate cyclase by 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one (ODQ,10−5 M) or adenylate cyclase by 9-(Tetrahydro-2′-furyl)adenine (SQ, 10−5 M); (e) with depolarization by high potassium chloride (40 mM); and (f) with inhibition of the large conductance Ca2+–potassium channels (BKCa2+) with paxilline (10−5 M). EVOO phenols induce vasodilation of the endothelium, mediated by a direct effect on smooth muscle cells (SMC) by activation of BKCa2+ channels, an action by which phenols can regulate the vascular tone of the resistance artery. Phenols can be regarded as bioactive molecules that may contribute to the antihypertensive effects of EVOO.
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117
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Strengthening the Immune System and Reducing Inflammation and Oxidative Stress through Diet and Nutrition: Considerations during the COVID-19 Crisis. Nutrients 2020; 12:nu12061562. [PMID: 32471251 PMCID: PMC7352291 DOI: 10.3390/nu12061562] [Citation(s) in RCA: 395] [Impact Index Per Article: 98.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/21/2020] [Accepted: 05/25/2020] [Indexed: 12/13/2022] Open
Abstract
The coronavirus-disease 2019 (COVID-19) was announced as a global pandemic by the World Health Organization. Challenges arise concerning how to optimally support the immune system in the general population, especially under self-confinement. An optimal immune response depends on an adequate diet and nutrition in order to keep infection at bay. For example, sufficient protein intake is crucial for optimal antibody production. Low micronutrient status, such as of vitamin A or zinc, has been associated with increased infection risk. Frequently, poor nutrient status is associated with inflammation and oxidative stress, which in turn can impact the immune system. Dietary constituents with especially high anti-inflammatory and antioxidant capacity include vitamin C, vitamin E, and phytochemicals such as carotenoids and polyphenols. Several of these can interact with transcription factors such as NF-kB and Nrf-2, related to anti-inflammatory and antioxidant effects, respectively. Vitamin D in particular may perturb viral cellular infection via interacting with cell entry receptors (angiotensin converting enzyme 2), ACE2. Dietary fiber, fermented by the gut microbiota into short-chain fatty acids, has also been shown to produce anti-inflammatory effects. In this review, we highlight the importance of an optimal status of relevant nutrients to effectively reduce inflammation and oxidative stress, thereby strengthening the immune system during the COVID-19 crisis.
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Massaro M, Scoditti E, Carluccio MA, Calabriso N, Santarpino G, Verri T, De Caterina R. Effects of Olive Oil on Blood Pressure: Epidemiological, Clinical, and Mechanistic Evidence. Nutrients 2020; 12:nu12061548. [PMID: 32466599 PMCID: PMC7352724 DOI: 10.3390/nu12061548] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/14/2022] Open
Abstract
The increasing access to antihypertensive medications has improved longevity and quality of life in hypertensive patients. Nevertheless, hypertension still remains a major risk factor for stroke and myocardial infarction, suggesting the need to implement management of pre- and hypertensive patients. In addition to antihypertensive medications, lifestyle changes, including healthier dietary patterns, such as the Dietary Approaches to Stop Hypertension (DASH) and the Mediterranean diet, have been shown to favorably affect blood pressure and are now recommended as integrative tools in hypertension management. An analysis of the effects of nutritional components of the Mediterranean diet(s) on blood pressure has therefore become mandatory. After a literature review of the impact of Mediterranean diet(s) on cardiovascular risk factors, we here analyze the effects of olive oil and its major components on blood pressure in healthy and cardiovascular disease individuals and examine underlying mechanisms of action. Both experimental and human studies agree in showing anti-hypertensive effects of olive oil. We conclude that due to its high oleic acid and antioxidant polyphenol content, the consumption of olive oil may be advised as the optimal fat choice in the management protocols for hypertension in both healthy and cardiovascular disease patients.
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Affiliation(s)
- Marika Massaro
- National Research Council (CNR) Institute of Clinical Physiology, 73100 Lecce, Italy; (E.S.); (M.A.C.); (N.C.)
- Correspondence: (M.M.); (R.D.C.); Tel.: +39-083-229-8860 (M.M.); +39-050-996-751 (R.D.C.)
| | - Egeria Scoditti
- National Research Council (CNR) Institute of Clinical Physiology, 73100 Lecce, Italy; (E.S.); (M.A.C.); (N.C.)
| | - Maria Annunziata Carluccio
- National Research Council (CNR) Institute of Clinical Physiology, 73100 Lecce, Italy; (E.S.); (M.A.C.); (N.C.)
| | - Nadia Calabriso
- National Research Council (CNR) Institute of Clinical Physiology, 73100 Lecce, Italy; (E.S.); (M.A.C.); (N.C.)
- Laboratory of Biochemistry and Molecular Biology, Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Giuseppe Santarpino
- Cardiovascular Center, Paracelsus Medical University, 90471 Nuremberg, Germany;
- GVM Care & Research, Città di Lecce Hospital, 73100 Lecce, Italy
- Cardiac Surgery Unit, Department of Experimental and Clinical Medicine, University “Magna Graecia”, 88100 Catanzaro, Italy
| | - Tiziano Verri
- Laboratory of Applied Physiology, Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy;
| | - Raffaele De Caterina
- Institute of Cardiology, University of Pisa, 56126 Pisa, Italy
- Correspondence: (M.M.); (R.D.C.); Tel.: +39-083-229-8860 (M.M.); +39-050-996-751 (R.D.C.)
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Abate M, Pisanti S, Caputo M, Citro M, Vecchione C, Martinelli R. 3-Hydroxytyrosol Promotes Angiogenesis In Vitro by Stimulating Endothelial Cell Migration. Int J Mol Sci 2020; 21:E3657. [PMID: 32455901 PMCID: PMC7279499 DOI: 10.3390/ijms21103657] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases, followed by strokes, represent the leading cause of mortality worldwide. Despite its success in preventing cardiovascular diseases, the therapeutic potential of 3-Hydroxytyrosol (HT) for treating ischemic diseases is yet to be investigated in detail, especially with regard to ischemic heart disease, which is a major challenge for humans. We assessed that low concentrations (1-5 µM) of HT, generally achieved after the ingestion of olive oil, stimulate endothelial cells migration and angiogenesis in an in vitro model. At early time points (1-6 h), HT induces the expression of different proteins such as proto-oncogene tyrosine-protein kinase Src (Src), rho-associated protein kinase (ROCK) and matrix metalloproteinase-2 (MMP-2) protein influencing cell adhesion, cytoskeletal dynamics and cell migration. We observed that at the same time, HT induces prominent vascular formation in the tube formation assay, accompanied by an increase in the expression of the vascular endothelial growth factor receptor (VEGF-R2) and PI3K-Akt-eNOS protein pathways, which are recognized for their central role in angiogenesis. Therefore, in addition to the proven capability of HT to regulate reactive oxygen species (ROS) levels, through both direct scavenging properties and indirect antioxidant efficacy, our results revealed that HT promotes angiogenesis, arguing in favor of great pharma-nutritional potential in ischemic injuries.
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Affiliation(s)
- Mario Abate
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
| | - Simona Pisanti
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
| | - Mariella Caputo
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
| | - Marianna Citro
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
| | - Carmine Vecchione
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
- Vascular Pathophysiology Unit, IRCCS Neuromed, Via Atinense, Pozzilli, 86077 Isernia, Italy
| | - Rosanna Martinelli
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, Via Salvador Allende, Baronissi, 84081 Salerno, Italy; (M.A.); (S.P.); (M.C.); (M.C.); (C.V.)
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Franconi F, Campesi I, Romani A. Is Extra Virgin Olive Oil an Ally for Women's and Men's Cardiovascular Health? Cardiovasc Ther 2020; 2020:6719301. [PMID: 32454893 PMCID: PMC7212338 DOI: 10.1155/2020/6719301] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 03/04/2020] [Indexed: 02/06/2023] Open
Abstract
Noncommunicable diseases are long-lasting and slowly progressive and are the leading causes of death and disability. They include cardiovascular diseases (CVD) and diabetes mellitus (DM) that are rising worldwide, with CVD being the leading cause of death in developed countries. Thus, there is a need to find new preventive and therapeutic approaches. Polyphenols seem to have cardioprotective properties; among them, polyphenols and/or minor polar compounds of extra virgin olive oil (EVOO) are attracting special interest. In consideration of numerous sex differences present in CVD and DM, in this narrative review, we applied "gender glasses." Globally, it emerges that olive oil and its derivatives exert some anti-inflammatory and antioxidant effects, modulate glucose metabolism, and ameliorate endothelial dysfunction. However, as in prescription drugs, also in this case there is an important gender bias because the majority of the preclinical studies are performed on male animals, and the sex of donors of cells is not often known; thus a sex/gender bias characterizes preclinical research. There are numerous clinical studies that seem to suggest the benefits of EVOO and its derivatives in CVD; however, these studies have numerous limitations, presenting also a considerable heterogeneity across the interventions. Among limitations, one of the most relevant in the era of personalized medicine, is the non-attention versus women that are few and, also when they are enrolled, sex analysis is lacking. Therefore, in our opinion, it is time to perform more long, extensive and lessheterogeneous trials enrolling both women and men.
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Affiliation(s)
- Flavia Franconi
- Laboratorio Nazionale sulla Farmacologia e Medicina di Genere, Istituto Nazionale Biostrutture Biosistemi, 07100 Sassari, Italy
| | - Ilaria Campesi
- Laboratorio Nazionale sulla Farmacologia e Medicina di Genere, Istituto Nazionale Biostrutture Biosistemi, 07100 Sassari, Italy
- Dipartimento di Scienze Biomediche, Università Degli Studi di Sassari, 07100 Sassari, Italy
| | - Annalisa Romani
- Laboratorio PHYTOLAB (Pharmaceutical, Cosmetic, Food Supplement Technology and Analysis), DiSIA Università Degli Studi di Firenze, 50019 Florence, Italy
- Laboratorio di Qualità Delle Merci e Affidabilità di Prodotto, Università Degli Studi di Firenze, 59100 Florence, Italy
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Arena K, Cacciola F, Rigano F, Dugo P, Mondello L. Evaluation of matrix effect in one‐dimensional and comprehensive two‐dimensional liquid chromatography for the determination of the phenolic fraction in extra virgin olive oils. J Sep Sci 2020; 43:1781-1789. [DOI: 10.1002/jssc.202000169] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/27/2020] [Accepted: 03/27/2020] [Indexed: 12/26/2022]
Affiliation(s)
- Katia Arena
- Department of ChemicalBiologicalPharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
| | - Francesco Cacciola
- Department of BiomedicalDentalMorphological and Functional Imaging SciencesUniversity of Messina Messina Italy
| | - Francesca Rigano
- Department of ChemicalBiologicalPharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
| | - Paola Dugo
- Department of ChemicalBiologicalPharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
- Chromaleont s.r.l.c/o Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
| | - Luigi Mondello
- Department of ChemicalBiologicalPharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
- Chromaleont s.r.l.c/o Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
- Department of Sciences and Technologies for Human and EnvironmentUniversity Campus Bio‐Medico of Rome Rome Italy
- BeSep s.r.l.c/o Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of Messina Messina Italy
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Yook JS, Lee M. Potential role of phytochemicals in brain plasticity: Focus on polyunsaturated fatty acids. Phys Act Nutr 2020; 24:14-18. [PMID: 32408409 PMCID: PMC7451843 DOI: 10.20463/pan.2020.0003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Functional foods are thought to strongly influence the structure and function of the brain. Previous studies have reported that brain-boosting diets may enhance neuroprotective functions. Certain foods are particularly rich in nutrients like phytochemicals that are known to support brain plasticity; such foods are commonly referred to as brain foods. METHODS In this review, we briefly explore the scientific evidence supporting the neuroprotective activity of a number of phytochemicals with a focus on phenols and polyunsaturated fatty acids such as flavonoid, olive oil, and omega-3 fatty acid. RESULTS The aim of this study was to systematically examine the primary issues related to phytochemicals in the brain. These include (a) the brain-gut-microbiome axis; (b) the effects of phytochemicals on gut microbiome and their potential role in brain plasticity; (c) the role of polyunsaturated fatty acids in brain health; and (d) the effects of nutrition and exercise on brain function. CONCLUSION This review provides evidence supporting the view that phytochemicals from medicinal plants play a vital role in maintaining brain plasticity by influencing the brain-gut-microbiome axis. The consumption of brain foods may have neuroprotective effects, thus protecting against neurodegenerative disorders and promoting brain health.
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Affiliation(s)
- Jang Soo Yook
- Center for Functional Connectomics, Brain Science Institute, Korea Institute of Science and Technology (KIST), SeoulRepublic of Korea
| | - Minchul Lee
- Department of Sports Medicine, CHA University, PocheonRepublic of Korea
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Effects of the Mediterranean diet on cardiovascular risk factors in non-alcoholic fatty liver disease patients: A systematic review and meta-analysis. Clin Nutr ESPEN 2020; 37:148-156. [PMID: 32359737 DOI: 10.1016/j.clnesp.2020.03.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 01/16/2020] [Accepted: 03/03/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND & AIMS We aimed to investigate the effect of the Mediterranean diet (MedDiet) on cardiovascular risk factors in patients with non-alcoholic fatty liver disease (NAFLD). METHOD A systematic search was performed in Scopus, Web of Science, Cochrane library and PubMed databases to find randomized controlled trials (RCTs) related to the effect of the MedDiet in patients with NAFLD, up to July, 2019. There was no language and time limitation. Meta-analyses were performed using both the random and fixed effects model where appropriate, and I2 index was used to evaluate the heterogeneity. RESULTS Primary search yielded 467 publications. Five RCTs were eligible. Our meta-analysis indicated that the MedDiet resulted in a significant decrease in serum levels of triglyceride and total cholesterol, and a decrease in body weight and HOMA-IR in comparison to a control diet, in NAFLD patients. Whereas, there were no significant improvement in the MedDiet group compared with the control group regarding other variables such as liver enzymes and blood pressure. CONCLUSIONS This meta-analysis indicated the advantageous effects of the MedDiet on some cardiovascular risks factors, as compared with a control diet. It seems that the MedDiet can be considered as an appropriate strategy to reduce cardiovascular risk factors in NAFLD patients.
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Kim MJ, Jung SK. Nutraceuticals for prevention of atherosclerosis: Targeting monocyte infiltration to the vascular endothelium. J Food Biochem 2020; 44:e13200. [PMID: 32189369 DOI: 10.1111/jfbc.13200] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 01/14/2020] [Accepted: 01/20/2020] [Indexed: 12/28/2022]
Abstract
Cardiovascular disease (CVD) is the leading cause of death, globally, and is a serious problem in developing countries. Preventing atherosclerosis is key to reducing the risk of developing CVD. Similar to carcinogenesis, atherogenesis can be divided into four stages: initiation, promotion, progression, and acute events. The current study focuses on the promotion stage, which is characterized by circular monocyte penetration into vascular endothelial cells, monocyte differentiation into macrophages, and the formation of foam cells. This early stage of atherogenesis is a major target for nutraceuticals. We discuss nutraceuticals that can potentially inhibit monocyte adhesion to the vascular endothelium, thereby preventing the promotional stage of atherosclerosis. The mechanisms through which these nutraceuticals prevent monocyte adhesion are classified according to the following targets: NF-κB, ROS, MAPKs, and AP-1. Additionally, we discuss promising targets for nutraceuticals that can regulate monocyte adhesion to the endothelium. PRACTICAL APPLICATIONS: Introduction of atherogenesis with initiation, promotion, progression, and acute events provide specific information and factors for each step in the development of atherosclerosis. Functional food or pharmaceutical researchers can set target stages and use them to develop materials that control atherosclerosis. In particular, because it focuses on vascular inflammation via interaction between monocytes and vascular endothelial cells, it provides specific information to researchers developing functional foods that regulate this process. Therefore, this manuscript, unlike previous papers, will provide material information and potential mechanisms of action to researchers who want to develop functional foods that control vascular inflammation rather than vascular lipids.
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Affiliation(s)
- Min Jeong Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, Republic of Korea
| | - Sung Keun Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, Republic of Korea.,Institute of Agricultural Science & Technology, Kyungpook National University, Daegu, Republic of Korea
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Farràs M, Canyelles M, Fitó M, Escolà-Gil JC. Effects of Virgin Olive Oil and Phenol-Enriched Virgin Olive Oils on Lipoprotein Atherogenicity. Nutrients 2020; 12:nu12030601. [PMID: 32110861 PMCID: PMC7146215 DOI: 10.3390/nu12030601] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/21/2020] [Accepted: 02/24/2020] [Indexed: 01/22/2023] Open
Abstract
The atherogenicity of low-density lipoprotein (LDL) and triglyceride-rich lipoproteins (TRLs) may be more significant than LDL cholesterol levels. Clinical trials which have led to increased high-density lipoprotein (HDL) cholesterol have not always seen reductions in cardiovascular disease (CVD). Furthermore, genetic variants predisposing individuals to high HDL cholesterol are not associated with a lower risk of suffering a coronary event, and therefore HDL functionality is considered to be the most relevant aspect. Virgin olive oil (VOO) is thought to play a protective role against CVD. This review describes the effects of VOO and phenol-enriched VOOs on lipoprotein atherogenicity and HDL atheroprotective properties. The studies have demonstrated a decrease in LDL atherogenicity and an increase in the HDL-mediated macrophage cholesterol efflux capacity, HDL antioxidant activity, and HDL anti-inflammatory characteristics after various VOO interventions. Moreover, the expression of cholesterol efflux-related genes was enhanced after exposure to phenol-enriched VOOs in both post-prandial and sustained trials. Improvements in HDL antioxidant properties were also observed after VOO and phenol-enriched VOO interventions. Furthermore, some studies have demonstrated improved characteristics of TRL atherogenicity under postprandial conditions after VOO intake. Large-scale, long-term randomized clinical trials, and Mendelian analyses which assess the lipoprotein state and properties, are required to confirm these results.
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Affiliation(s)
- Marta Farràs
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-935537595
| | - Marina Canyelles
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- Servei de Bioquímica, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain
- Departament de Bioquímica, Biologia Molecular i Biomedicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Montserrat Fitó
- Cardiovascular Risk and Nutrition Research Group, Hospital del Mar Medical Research Institute (IMIM), 08003 Barcelona, Spain;
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), ISCIII, 28029 Madrid, Spain
| | - Joan Carles Escolà-Gil
- Molecular Bases of Cardiovascular Risk Group Institut de Recerca de l’Hospital Santa Creu i Sant Pau-Institut d’Investigacions Biomèdiques (IIB) Sant Pau, 08041 Barcelona, Spain; (M.C.); (J.C.E.-G.)
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), ISCIII, 28029 Madrid, Spain
- Departament de Bioquímica, Biologia Molecular i Biomedicina, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
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Corban MT, Widmer RJ, Cilluffo R, Kazeck MA, Lennon RJ, Lerman LO, Lerman A. The effect of polyphenol-rich chardonnay seed supplements on peripheral endothelial function. Eur J Nutr 2020; 59:3723-3734. [PMID: 32067098 DOI: 10.1007/s00394-020-02203-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 02/06/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Peripheral endothelial dysfunction (PED) is associated with major adverse cardiovascular events. Similar to cardio-protective Mediterranean diet, Chardonnay seeds are rich in polyphenols, fibers, and grape seed oil. In this randomized double-blinded trial, we investigated safety and incremental benefit of Chardonnay seed polyphenols-rich (PR), compared to polyphenols-free (PF), supplements on PED. METHODS 89 patients with PED [reactive hyperemia-peripheral arterial tonometry (RH-PAT) index ≤ 2) were randomized 1:1 to 4.8 g (6 capsules)/day PR or PF for 4 months. PR and PF capsules had equal amounts of seed oil (~ 7% capsule weight), fibers, and carbohydrates, but only PR capsules contained polyphenols (~ 11% capsule weight). Baseline and follow-up RH-PAT indices (primary endpoint) and endothelial progenitor cells (EPC) levels were measured. Patients were asked to maintain their regular diet and exercise habits during study period. RESULTS Baseline RH-PAT indices, demographics, lab values, and EPC levels were similar between groups. No significant adverse reactions to PR or PF were reported. Follow-up RH-PAT indices significantly increased (p < 0.05 vs. baseline) in both groups to similar extent (31 ± 39% PR vs. 49 ± 53% PF, p = 0.09). Circulating CD34 + EPCs equally increased (median + 55% vs. + 54%, p = 0.94) in PR and PF groups, respectively. CONCLUSION PR and PF Chardonnay seed supplements were safe and improved peripheral endothelial function to similar extent in PED patients. However, there were no incremental benefits of PR over PF on RH-PAT indices or CD34 + EPC levels. Chardonnay seed supplements role in primary prevention of atherosclerosis, as add-on to healthy lifestyle and guidelines directed medical therapy, should be further explored. CLINICALTRIALS. GOV IDENTIFIER (NCT NUMBER) NCT02093455.
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Affiliation(s)
- Michel T Corban
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA
| | - Robert Jay Widmer
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA
| | - Rebecca Cilluffo
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA
| | - Makinzee A Kazeck
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA
| | - Ryan J Lennon
- Department of Biomedical Statistics and Informatics, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Lilach O Lerman
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA.,Division of Nephrology and Hypertension, Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Amir Lerman
- Department of Cardiovascular Diseases, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA.
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Leri M, Scuto M, Ontario ML, Calabrese V, Calabrese EJ, Bucciantini M, Stefani M. Healthy Effects of Plant Polyphenols: Molecular Mechanisms. Int J Mol Sci 2020; 21:E1250. [PMID: 32070025 PMCID: PMC7072974 DOI: 10.3390/ijms21041250] [Citation(s) in RCA: 225] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/08/2020] [Accepted: 02/10/2020] [Indexed: 02/08/2023] Open
Abstract
The increasing extension in life expectancy of human beings in developed countries is accompanied by a progressively greater rate of degenerative diseases associated with lifestyle and aging, most of which are still waiting for effective, not merely symptomatic, therapies. Accordingly, at present, the recommendations aimed at reducing the prevalence of these conditions in the population are limited to a safer lifestyle including physical/mental exercise, a reduced caloric intake, and a proper diet in a convivial environment. The claimed health benefits of the Mediterranean and Asian diets have been confirmed in many clinical trials and epidemiological surveys. These diets are characterized by several features, including low meat consumption, the intake of oils instead of fats as lipid sources, moderate amounts of red wine, and significant amounts of fresh fruit and vegetables. In particular, the latter have attracted popular and scientific attention for their content, though in reduced amounts, of a number of molecules increasingly investigated for their healthy properties. Among the latter, plant polyphenols have raised remarkable interest in the scientific community; in fact, several clinical trials have confirmed that many health benefits of the Mediterranean/Asian diets can be traced back to the presence of significant amounts of these molecules, even though, in some cases, contradictory results have been reported, which highlights the need for further investigation. In light of the results of these trials, recent research has sought to provide information on the biochemical, molecular, epigenetic, and cell biology modifications by plant polyphenols in cell, organismal, animal, and human models of cancer, metabolic, and neurodegenerative pathologies, notably Alzheimer's and Parkinson disease. The findings reported in the last decade are starting to help to decipher the complex relations between plant polyphenols and cell homeostatic systems including metabolic and redox equilibrium, proteostasis, and the inflammatory response, establishing an increasingly solid molecular basis for the healthy effects of these molecules. Taken together, the data currently available, though still incomplete, are providing a rationale for the possible use of natural polyphenols, or their molecular scaffolds, as nutraceuticals to contrast aging and to combat many associated pathologies.
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Affiliation(s)
- Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Firenze, 50139 Florence, Italy
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy; (M.S.); (M.L.O.); (V.C.)
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, School of Public Health and Health Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
| | - Massimo Stefani
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.B.); (M.S.)
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Potential Protective Role Exerted by Secoiridoids from Olea europaea L. in Cancer, Cardiovascular, Neurodegenerative, Aging-Related, and Immunoinflammatory Diseases. Antioxidants (Basel) 2020; 9:antiox9020149. [PMID: 32050687 PMCID: PMC7070598 DOI: 10.3390/antiox9020149] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/06/2020] [Accepted: 02/07/2020] [Indexed: 12/12/2022] Open
Abstract
Iridoids, which have beneficial health properties, include a wide group of cyclopentane [c] pyran monoterpenoids present in plants and insects. The cleavage of the cyclopentane ring leads to secoiridoids. Mainly, secoiridoids have shown a variety of pharmacological effects including anti-diabetic, antioxidant, anti-inflammatory, immunosuppressive, neuroprotective, anti-cancer, and anti-obesity, which increase the interest of studying these types of bioactive compounds in depth. Secoiridoids are thoroughly distributed in several families of plants such as Oleaceae, Valerianaceae, Gentianaceae and Pedialaceae, among others. Specifically, Olea europaea L. (Oleaceae) is rich in oleuropein (OL), dimethyl-OL, and ligstroside secoiridoids, and their hydrolysis derivatives are mostly OL-aglycone, oleocanthal (OLE), oleacein (OLA), elenolate, oleoside-11-methyl ester, elenoic acid, hydroxytyrosol (HTy), and tyrosol (Ty). These compounds have proved their efficacy in the management of diabetes, cardiovascular and neurodegenerative disorders, cancer, and viral and microbial infections. Particularly, the antioxidant, anti-inflammatory, and immunomodulatory properties of secoiridoids from the olive tree (Olea europaea L. (Oleaceae)) have been suggested as a potential application in a large number of inflammatory and reactive oxygen species (ROS)-mediated diseases. Thus, the purpose of this review is to summarize recent advances in the protective role of secoiridoids derived from the olive tree (preclinical studies and clinical trials) in diseases with an important pathogenic contribution of oxidative and peroxidative stress and damage, focusing on their plausible mechanisms of the action involved.
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Perrone MA, Gualtieri P, Gratteri S, Ali W, Sergi D, Muscoli S, Cammarano A, Bernardini S, Di Renzo L, Romeo F. Effects of postprandial hydroxytyrosol and derivates on oxidation of LDL, cardiometabolic state and gene expression: a nutrigenomic approach for cardiovascular prevention. J Cardiovasc Med (Hagerstown) 2019; 20:419-426. [PMID: 31593559 DOI: 10.2459/jcm.0000000000000816] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND AIM Cardiovascular diseases (CVDs) are the most frequent causes of death in the world. Inflammation and oxidative damage contribute significantly to the development of atherosclerosis and CVDs. European Food Safety Authority scientific opinion has acknowledged that hydroxytyrosol (3,4-dihydroxyphenylethanol) and derivatives, contained in extra virgin olive oil (EVOO), typically used in Mediterranean diet may play a crucial role in the reduction of the inflammatory pathway and in the prevention of CVDs. The aim of the study was to determine the effect in healthy volunteers of 25 g of phenols-rich EVOO (p-EVOO). METHODS The clinical study was a randomized, controlled trial to determine the acute effect in the postprandial time of 25 g of p-EVOO. We evaluated nutritional status using anthropometric parameters, body composition, serum metabolites, oxidative stress biomarkers and gene expression of eight genes related to oxidative stress and human inflammasome pathways, lasting 2 h after p-EVOO administration. Twenty-two participants resulted as eligible for the study. RESULTS A significant reduction of oxidized LDL, malondialdehyde, triglycerides and visceral adiposity index was highlighted (P < 0.05). Significant upregulation of catalase, superoxide dismutase 1 and upstream transcription factor 1 were observed (P < 0.05). CONCLUSION The current study shows that intake of 25 g of p-EVOO has been able to be modulated, in the postprandial time, the antioxidant profile and the expression of inflammation and oxidative stress-related genes, as superoxide dismutase 1, upstream transcription factor 1 and catalase. We also observed a significant reduction of oxidized LDL, malondialdehyde, triglycerides and visceral adiposity index. We have demonstrated that a daily intake of phenols and antioxidants can reduce the inflammatory pathway and oxidative stress and therefore the risk of atherosclerosis and CVDs. More studies on a larger population are necessary before definitive conclusions can be drawn.Trial registration ClinicalTrials.gov NCT01890070.
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Affiliation(s)
- Marco A Perrone
- Division of Cardiology.,Division of Clinical Biochemistry and Clinical Molecular Biology.,University Sports Centre
| | - Paola Gualtieri
- Division of Clinical Nutrition and Nutrigenomics, University of Rome Tor Vergata, Rome
| | - Santo Gratteri
- Department of Surgery and Medical Science, Magna Græcia University, Catanzaro, Germaneto, Italy
| | - Wahid Ali
- Department of Pathology, King George S. Medical University, Lucknow, Uttar Pradesh, India
| | | | | | - Andrea Cammarano
- Division of Clinical Nutrition and Nutrigenomics, University of Rome Tor Vergata, Rome
| | - Sergio Bernardini
- Division of Clinical Biochemistry and Clinical Molecular Biology.,University Sports Centre
| | - Laura Di Renzo
- Division of Clinical Nutrition and Nutrigenomics, University of Rome Tor Vergata, Rome
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Abstract
The Mediterranean diet (MedDiet), abundant in minimally processed plant-based foods, rich in monounsaturated fat from olive oil, but lower in saturated fat, meats, and dairy products, seems an ideal nutritional model for cardiovascular health. Methodological aspects of Mediterranean intervention trials, limitations in the quality of some meta-analyses, and other issues may have raised recent controversies. It remains unclear whether such limitations are important enough as to attenuate the postulated cardiovascular benefits of the MedDiet. We aimed to critically review current evidence on the role of the MedDiet in cardiovascular health. We systematically searched observational prospective cohorts and randomized controlled trials which explicitly reported to assess the effect of the MedDiet on hard cardiovascular end points. We critically assessed all the original cohorts and randomized controlled trials included in the 5 most comprehensive meta-analyses published between 2014 and 2018 and additional prospective studies not included in these meta-analyses, totaling 45 reports of prospective studies (including 4 randomized controlled trials and 32 independent observational cohorts). We addressed the existing controversies on methodology and other issues. Some departures from individual randomization in a subsample of the landmark Spanish trial (PREDIMED [Prevención con Dieta Mediterránea]) did not represent any clinically meaningful attenuation in the strength of its findings and the results of PREDIMED were robust in a wide range of sensitivity analyses. The criteria for causality were met and potential sources of controversies did not represent any reason to compromise the main findings of the available observational studies and randomized controlled trials. The available evidence is large, strong, and consistent. Better conformity with the traditional MedDiet is associated with better cardiovascular health outcomes, including clinically meaningful reductions in rates of coronary heart disease, ischemic stroke, and total cardiovascular disease.
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Affiliation(s)
- Miguel A Martínez-González
- From the Department of Preventive Medicine and Public Health, IdiSNA, Navarra Institute for Health Research, University of Navarra, Pamplona, Spain (M.A.M.-G., A.G., M.R.-C.).,CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute of Health, Madrid, Spain (M.A.M.-G., A.G., M.R.-C.).,Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA (M.A.M.-G.)
| | - Alfredo Gea
- From the Department of Preventive Medicine and Public Health, IdiSNA, Navarra Institute for Health Research, University of Navarra, Pamplona, Spain (M.A.M.-G., A.G., M.R.-C.).,CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute of Health, Madrid, Spain (M.A.M.-G., A.G., M.R.-C.)
| | - Miguel Ruiz-Canela
- From the Department of Preventive Medicine and Public Health, IdiSNA, Navarra Institute for Health Research, University of Navarra, Pamplona, Spain (M.A.M.-G., A.G., M.R.-C.).,CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute of Health, Madrid, Spain (M.A.M.-G., A.G., M.R.-C.)
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Mediterranean Diet and NAFLD: What We Know and Questions That Still Need to Be Answered. Nutrients 2019; 11:nu11122971. [PMID: 31817398 PMCID: PMC6949938 DOI: 10.3390/nu11122971] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 11/28/2019] [Accepted: 11/30/2019] [Indexed: 12/16/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the hepatic manifestation of metabolic syndrome and is expected to become the leading cause of end-stage liver disease worldwide over the next few decades. In fact, NAFLD encompasses different clinical scenarios, from the simple accumulation of fat (steatosis) to steatohepatitis (NASH), NASH-cirrhosis, and cirrhosis complications. In this context, it is fundamental to pursue strategies aimed at both preventing the disease and reducing the progression of liver fibrosis once liver damage is already initiated. As of today, no pharmacological treatment has been approved for NAFLD/NASH, and the only recommended treatment of proven efficacy are life-style modifications, including diet and physical exercise pointing at weight loss of 5%–7%. Different dietetic approaches have been proposed in this setting, and in this review, we will discuss the evidence regarding the efficacy of the Mediterranean Diet as a treatment for NAFLD. In particular, we will report the effects on liver-related outcomes.
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The Secrets of the Mediterranean Diet. Does [Only] Olive Oil Matter? Nutrients 2019; 11:nu11122941. [PMID: 31817038 PMCID: PMC6949890 DOI: 10.3390/nu11122941] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/25/2019] [Accepted: 11/27/2019] [Indexed: 12/16/2022] Open
Abstract
Diet plays a key role in the maintenance and optimal functioning of immune cells. The Mediterranean dietary pattern is an example of a prudent choice of lifestyle and scientifically accepted to help preserve human health by protecting against major chronic and inflammatory diseases. Mediterranean diets (MedDiets) are characteristically high in the consumption of fruits, vegetables and salad, bread and whole grain cereals, potatoes, legumes/beans, nuts, and seeds. Their common central feature is the usage of olive oil as the main source of fat. The health benefits attributed to olive oil are specifically related to extra virgin olive oil (EVOO) intake with its high nutritional quality and multiple positive effects on health. Overall, MedDiets have direct (mono-unsaturated fatty acids (MUFAs), tocopherols, polyphenols) and indirect (low saturated fats, well-balanced linoleic/alpha linolenic acid) effects on the immune system and inflammatory responses. In the present paper, we summarize the current knowledge on the effect of olive oil per se and MedDiets generally on immune-mediated and inflammatory diseases, such as coronary heart disease (CHD)/cardiovascular diseases (CVD), obesity, type-2 diabetes, cancer, asthma, and allergies.
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Mizutani D, Onuma T, Tanabe K, Kojima A, Uematsu K, Nakashima D, Doi T, Enomoto Y, Matsushima-Nishiwaki R, Tokuda H, Ogura S, Iida H, Kozawa O, Iwama T. Olive polyphenol reduces the collagen-elicited release of phosphorylated HSP27 from human platelets. Biosci Biotechnol Biochem 2019; 84:536-543. [PMID: 31760852 DOI: 10.1080/09168451.2019.1697196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Hydroxytyrosol (HT) and oleuropein (OLE) are natural polyphenols found in extra virgin olive oil. Accumulating evidence indicates that ingestion of olive oil contributes to reduce the risk of cardiovascular diseases and stroke. It has been reported that HT and OLE inhibit human platelet aggregation. We have shown that collagen induces the phosphorylation of heat shock protein 27 (HSP27) in human platelets, resulting in the release of HSP27, an extracellular pro-inflammatory agent. In this study, we investigated the effects of HT and OLE on the collagen-stimulated human platelet activation. The PDGF-AB secretion and the soluble CD40 ligand (sCD40L) release by collagen were reduced by HT or OLE. HT and OLE significantly suppressed the phosphorylation of HSP27 and the release of phosphorylated-HSP27. These findings suggest that olive polyphenol reduces the collagen-stimulated phosphorylation of HSP27 in human platelets and the release. Our results may provide a novel anti- inflammatory effect of olive polyphenol.
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Affiliation(s)
- Daisuke Mizutani
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan.,Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Takashi Onuma
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan.,Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kumiko Tanabe
- Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Akiko Kojima
- Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Kodai Uematsu
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan.,Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Daiki Nakashima
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan.,Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Tomoaki Doi
- Department of Emergency and Disaster Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Yukiko Enomoto
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan
| | | | - Haruhiko Tokuda
- Department of Clinical Labolatory/Medical Genome Center Biobank, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Shinji Ogura
- Department of Emergency and Disaster Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Hiroki Iida
- Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Osamu Kozawa
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Toru Iwama
- Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Japan
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Ahamad J, Toufeeq I, Khan MA, Ameen MSM, Anwer ET, Uthirapathy S, Mir SR, Ahmad J. Oleuropein: A natural antioxidant molecule in the treatment of metabolic syndrome. Phytother Res 2019; 33:3112-3128. [DOI: 10.1002/ptr.6511] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 07/25/2019] [Accepted: 08/23/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Javed Ahamad
- Faculty of PharmacyTishk International University Erbil Iraq
| | - Ibrahim Toufeeq
- Faculty of PharmacyTishk International University Erbil Iraq
| | - Mohammad Ahmed Khan
- Department of Pharmacology, School of Pharmaceutical Education and ResearchJamia Hamdard New Delhi India
| | | | - Esra T. Anwer
- Faculty of PharmacyTishk International University Erbil Iraq
| | | | - Showkat R. Mir
- Department of Pharmacognosy, School of Pharmaceutical Education and Research (Formerly Faculty of Pharmacy)Jamia Hamdard New Delhi India
| | - Javed Ahmad
- Department of Pharmaceutics, College of PharmacyNajran University Najran Kingdom of Saudi Arabia
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The Fluid Aspect of the Mediterranean Diet in the Prevention and Management of Cardiovascular Disease and Diabetes: The Role of Polyphenol Content in Moderate Consumption of Wine and Olive Oil. Nutrients 2019; 11:nu11112833. [PMID: 31752333 PMCID: PMC6893438 DOI: 10.3390/nu11112833] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/10/2019] [Accepted: 11/13/2019] [Indexed: 12/20/2022] Open
Abstract
A growing interest has emerged in the beneficial effects of plant-based diets for the prevention of cardiovascular disease, diabetes and obesity. The Mediterranean diet, one of the most widely evaluated dietary patterns in scientific literature, includes in its nutrients two fluid foods: olive oil, as the main source of fats, and a low-to-moderate consumption of wine, mainly red, particularly during meals. Current mechanisms underlying the beneficial effects of the Mediterranean diet include a reduction in inflammatory and oxidative stress markers, improvement in lipid profile, insulin sensitivity and endothelial function, as well as antithrombotic properties. Most of these effects are attributable to bioactive ingredients including polyphenols, mono- and poly-unsaturated fatty acids. Polyphenols are a heterogeneous group of phytochemicals containing phenol rings. The principal classes of red wine polyphenols include flavonols (quercetin and myricetin), flavanols (catechin and epicatechin), anthocyanin and stilbenes (resveratrol). Olive oil has at least 30 phenolic compounds. Among them, the main are simple phenols (tyrosol and hydroxytyrosol), secoroids and lignans. The present narrative review focuses on phenols, part of red wine and virgin olive oil, discussing the evidence of their effects on lipids, blood pressure, atheromatous plaque and glucose metabolism.
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136
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Blaum C, Brunner FJ, Kröger F, Braetz J, Lorenz T, Goßling A, Ojeda F, Koester L, Karakas M, Zeller T, Westermann D, Schnabel R, Blankenberg S, Seiffert M, Waldeyer C. Modifiable lifestyle risk factors and C-reactive protein in patients with coronary artery disease: Implications for an anti-inflammatory treatment target population. Eur J Prev Cardiol 2019; 28:152–158. [PMID: 33838040 DOI: 10.1177/2047487319885458] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/09/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Modifiable lifestyle risk factors (modRF) of coronary artery disease (CAD) are associated with increased inflammation represented by elevated C-reactive protein (CRP) levels. Lifestyle changes may influence the inflammatory burden in patients with CAD, relevantly modifying the target population for emerging anti-inflammatory compounds. AIMS The aims of this study were to analyse the association of modRF and CRP levels in CAD patients, and to define a potential target population for anti-inflammatory treatment with and without the optimisation of modRF. METHODS We included all patients with angiographically documented CAD from the observational cohort study INTERCATH. Patients with recent myocardial infarction, malignancy, infectious disease, and pre-existing immunosuppressive medication including a history of solid organ transplantation were excluded. Overweight (body mass index (BMI) ≥ 25 kg/m2), smoking, lack of physical activity (PA; <1.5 h/week), and poor diet (≤12 points of an established Mediterranean diet score (MDS), range 0-28 points) were considered as modRF. CRP was measured by a high-sensitivity assay (hsCRP) at baseline. We performed multivariable linear regressions with log-transformed hsCRP as the dependent variable. Based on these associations, we calculated potential hsCRP levels for each patient, assuming optimisation of the individual modRF. RESULTS Of 1014 patients, 737 (73%) were male, the mean age was 69 years, and 483 (48%) had an hsCRP ≥ 2 mg/l. ModRF were significantly overrepresented in patients with hsCRP ≥ 2 mg/l compared to patients with an hsCRP < 2 mg/l (BMI ≥ 25 kg/m2: 76% vs 61%; PA < 1.5 h/week: 69% vs 57%; MDS ≤ 12: 46% vs 37%; smoking: 61% vs 54%; p < 0.05 for all). hsCRP increased with the incremental number of modRF present (median hsCRP values for N = 0, 1, 2, 3, and 4 modRF: 1.1, 1.0, 1.6, 2.4, 2.8 mg/l, p < 0.001). Multivariable linear regression adjusting for age, sex, intake of lipid-lowering medication, and diabetes mellitus revealed independent associations between log-transformed hsCRP and all modRF (BMI ≥ 25 kg/m2: exp(ß) = 1.55, p < 0.001; PA < 1.5 h/week: exp(ß) = 1.33, p < 0.001; MDS ≤ 12: exp(ß) = 1.18, p = 0.018; smoking: exp(ß) = 1.18, p = 0.019). Individual recalculation of hsCRP levels assuming optimisation of modRF identified 183 out of 483 (38%) patients with hsCRP ≥ 2 mg/l who could achieve an hsCRP < 2 mg/l via lifestyle changes. CONCLUSION modRF are strongly and independently associated with CRP levels in patients with CAD. A relevant portion of CAD patients with high inflammatory burden could achieve an hsCRP < 2 mg/l by lifestyle changes alone. This should be considered both in view of the cost and side-effects of pharmacological anti-inflammatory treatment and for the design of future clinical trials in this field.
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Affiliation(s)
- Christopher Blaum
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Fabian J Brunner
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Friederike Kröger
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Julian Braetz
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Thiess Lorenz
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Alina Goßling
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Francisco Ojeda
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Lukas Koester
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
| | - Mahir Karakas
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Tanja Zeller
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Dirk Westermann
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Renate Schnabel
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Stefan Blankenberg
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Moritz Seiffert
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK e.V.), partner site Hamburg/Kiel/Lübeck, Germany
| | - Christoph Waldeyer
- Department of General and Interventional Cardiology, University Heart and Vascular Center Hamburg, Hamburg, Germany
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Boronat A, Mateus J, Soldevila-Domenech N, Guerra M, Rodríguez-Morató J, Varon C, Muñoz D, Barbosa F, Morales JC, Gaedigk A, Langohr K, Covas MI, Pérez-Mañá C, Fitó M, Tyndale RF, de la Torre R. Cardiovascular benefits of tyrosol and its endogenous conversion into hydroxytyrosol in humans. A randomized, controlled trial. Free Radic Biol Med 2019; 143:471-481. [PMID: 31479717 DOI: 10.1016/j.freeradbiomed.2019.08.032] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 08/18/2019] [Accepted: 08/30/2019] [Indexed: 01/05/2023]
Abstract
INTRODUCTION The simple phenol hydroxytyrosol (OHTyr) has been associated with the beneficial health effects of extra virgin olive oil. Pre-clinical studies have identified Tyr hydroxylation, mediated by cytochrome P450 isoforms CYP2A6 and CYP2D6, as an additional source of OHTyr. AIM We aimed to (i) confirm Tyr to OHTyr bioconversion in vivo in humans, (ii) assess the cardiovascular benefits of this bioconversion, and (iii) determine their interaction with a polygenic activity score (PAS) from CYP2A6 and CYP2D6 genotypes. METHODS Randomized, crossover, controlled study. Individuals at cardiovascular risk (n = 33) received: white wine (WW) (females 1, males 2 standard drinks/day), WW plus Tyr capsules (WW + Tyr) (25 mg Tyr capsule, one per WW drink), and water (control) ad libitum. Participants were classified by a PAS as low versus normal activity metabolizers. RESULTS OHTyr recovery following WW + Tyr was higher than after other interventions (P < 0.05). Low PAS individuals had lower OHTyr/Tyr ratios compared to individuals with normal PAS. WW + Tyr improved endothelial function, increased plasma HDL-cholesterol and antithrombin IIII, and decreased plasma homocysteine, endothelin 1, and CD40L, P65/RELA, and CFH gene expression in peripheral blood mononuclear cells (p < 0.05). Combining Tyr capsule(s) with WW abolished the increase in iNOS, eNOS, VEGFA, and CHF expressions promoted by WW (p < 0.05). CONCLUSIONS Tyr, and its partial biotransformation into OHTyr, promoted cardiovascular health-related benefits in humans after dietary doses of Tyr. The study design allowed the health effects of individual phenols to be singled out from the dietary matrix in which they are naturally found.
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Affiliation(s)
- Anna Boronat
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM-Institut Hospital del Mar d'Investigacions Mèdiques, Dr. Aiguader 88, 08003, Barcelona, Spain; Department of Experimental and Health Sciences, Universitat Pompeu Fabra (CEXS-UPF), Dr. Aiguader 80, 08003, Barcelona, Spain
| | - Julian Mateus
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM-Institut Hospital del Mar d'Investigacions Mèdiques, Dr. Aiguader 88, 08003, Barcelona, Spain
| | - Natalia Soldevila-Domenech
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM-Institut Hospital del Mar d'Investigacions Mèdiques, Dr. Aiguader 88, 08003, Barcelona, Spain; Department of Experimental and Health Sciences, Universitat Pompeu Fabra (CEXS-UPF), Dr. Aiguader 80, 08003, Barcelona, Spain
| | - Mercè Guerra
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra (CEXS-UPF), Dr. Aiguader 80, 08003, Barcelona, Spain
| | - Jose Rodríguez-Morató
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra (CEXS-UPF), Dr. Aiguader 80, 08003, Barcelona, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN, CB06/03/028), Monforte de Lemos 3-5, 28029, Madrid, Spain
| | - Carlota Varon
- Department of Pharmacy, Vall d'Hebron Barcelona Hospital Campus, Passeig de Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - Daniel Muñoz
- Cardiovascular Risk and Nutrition Research Group, IMIM (Hospital del Mar Research Institute), Dr. Aiguader 88, 08003, Barcelona, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN, CB06/03/028), Monforte de Lemos 3-5, 28029, Madrid, Spain
| | - Francina Barbosa
- CAP Barceloneta, Parc Sanitari Rovira Virgili, Passeig Marítim, 25 08003, Barcelona, Spain
| | - Juan Carlos Morales
- Department of Biochemistry and Molecular Pharmacology, Instituto de Parasitología y Biomedicina López Neyra, CSIC, PTS Granada, Avda. del Conocimiento 17, 18016, Armilla, Granada, Spain
| | - Andreas Gaedigk
- Children's Mercy Kansas City, Division of Clinical Pharmacology, Toxicology and Therapeutic Innovation, and University of Missouri-Kansas City School of Medicine, Kansas City, MO, USA
| | - Klaus Langohr
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM-Institut Hospital del Mar d'Investigacions Mèdiques, Dr. Aiguader 88, 08003, Barcelona, Spain; Department of Statistics and Operations Research, Polytechnic University of Catalonia, Barcelona, Spain
| | - Maria-Isabel Covas
- Cardiovascular Risk and Nutrition Research Group, IMIM (Hospital del Mar Research Institute), Dr. Aiguader 88, 08003, Barcelona, Spain; NUPROAS Handesbolag (NUPROAS HB), Nacka, Sweden
| | - Clara Pérez-Mañá
- School of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Hospital Universitari Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Montserrat Fitó
- Cardiovascular Risk and Nutrition Research Group, IMIM (Hospital del Mar Research Institute), Dr. Aiguader 88, 08003, Barcelona, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN, CB06/03/028), Monforte de Lemos 3-5, 28029, Madrid, Spain
| | - Rachel F Tyndale
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Departments of Pharmacology & Toxicology, and Psychiatry, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Rafael de la Torre
- Integrative Pharmacology and Systems Neuroscience Research Group, Neurosciences Research Program, IMIM-Institut Hospital del Mar d'Investigacions Mèdiques, Dr. Aiguader 88, 08003, Barcelona, Spain; Department of Experimental and Health Sciences, Universitat Pompeu Fabra (CEXS-UPF), Dr. Aiguader 80, 08003, Barcelona, Spain; CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN, CB06/03/028), Monforte de Lemos 3-5, 28029, Madrid, Spain.
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Polyphenols in human nutrition: from the in vitro antioxidant capacity to the beneficial effects on cardiometabolic health and related inter-individual variability - an overview and perspective. Br J Nutr 2019; 123:241-254. [PMID: 31658907 DOI: 10.1017/s0007114519002733] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Oxidative damage of cells and tissues is broadly implicated in human pathophysiology, including cardiometabolic diseases. Polyphenols, as important constituents of the human diet and potent in vitro free radical scavengers, have been extensively studied for their beneficial effects on cardiometabolic health. However, it has been demonstrated that the in vivo antioxidant activity of polyphenols is distinct from their in vitro free radical-scavenging capacity. Indeed, bioavailability of nutritional polyphenols is low and conditioned by complex mechanisms of absorption, distribution, metabolism and excretion. Nowadays, it is commonly accepted that the cellular antioxidant activity of polyphenols is mainly carried out via modification of transcription of genes involved in antioxidant defence. Importantly, polyphenols also contribute to cardiometabolic health by modulation of a plethora of cellular processes that are not directly associated with antioxidant enzymes, through nutri(epi)genomic mechanisms. Numerous human intervention studies have demonstrated beneficial effects of polyphenols on the key cardiometabolic risk factors. However, inconsistency of the results of some studies led to identification of the inter-individual variability in response to consumption of polyphenols. In perspective, a detailed investigation of the determinants of this inter-individual variability will potentially lead us towards personalised dietary recommendations. The phenomenon of inter-individual variability is also of relevance for supplementation with antioxidant (pro)vitamins.
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Speer H, D'Cunha NM, Botek M, McKune AJ, Sergi D, Georgousopoulou E, Mellor DD, Naumovski N. The Effects of Dietary Polyphenols on Circulating Cardiovascular Disease Biomarkers and Iron Status: A Systematic Review. Nutr Metab Insights 2019; 12:1178638819882739. [PMID: 31673228 PMCID: PMC6804354 DOI: 10.1177/1178638819882739] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 09/25/2019] [Indexed: 12/28/2022] Open
Abstract
The prevalence of cardiovascular disease (CVD) is rising worldwide, remaining the major cause of death in developed countries. Polyphenols have been shown to have cardioprotective properties; however, their impact on iron bioavailability and potential impact on other aspects of health is unclear. A systematic review was undertaken to evaluate the current status of the relationship between habitual polyphenol consumption, iron status, and circulating biomarkers of CVD. Following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) 2009 guidelines, searches were performed across 5 electronic databases (PubMed, Cochrane Library, Scopus, Web of Science, and CINAHL) to identify randomized controlled trials which investigated the effects of polyphenol consumption on inflammatory markers, serum lipid profile, and iron absorption and bioavailability. In total, 1174 records were identified, with only 7 studies meeting the inclusion criteria. The selected studies involved 133 participants and used a variety of foods and supplements, including olive oil and cherries, rich in polyphenols including hydroxytyrosol, quercetin, and resveratrol, as well as catechin enriched drinks. The duration of the studies ranged from between 56 and 145 days, with total polyphenolic content of the food items and supplements ranging from 45 to 1015 mg (per 100 g). Polyphenols did not appear to interfere with iron status, and most studies reported improvements in inflammatory markers and lipid profile. While these results are promising, the limited number of studies and considerable heterogeneity across the interventions support the need for more extensive trials assessing the relationship between polyphenol intake, iron bioavailability, and CVD risk.
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Affiliation(s)
- Hollie Speer
- Faculty of Science and Technology, University of Canberra, Bruce, ACT, Australia.,Faculty of Health, University of Canberra, Bruce, ACT, Australia.,Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia
| | - Nathan M D'Cunha
- Faculty of Health, University of Canberra, Bruce, ACT, Australia.,Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia
| | - Michal Botek
- Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia.,Department of Natural Sciences in Kinanthropology, Faculty of Physical Culture, Palacký University Olomouc, Olomouc, Czech Republic
| | - Andrew J McKune
- Faculty of Health, University of Canberra, Bruce, ACT, Australia.,Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia.,Discipline of Biokinetics, Exercise and Leisure Sciences, School of Health Science, University of KwaZulu-Natal, Durban, South Africa
| | - Domenico Sergi
- Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia.,Nutrition & Health Substantiation Group, Nutrition and Health Program, Health and Biosecurity, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Adelaide, SA, Australia
| | - Ekavi Georgousopoulou
- Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia.,Australian National University Medical School, Australian National University, Canberra, ACT, Australia.,School of Medicine, The University of Notre Dame, Sydney, NSW, Australia
| | - Duane D Mellor
- Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia.,Aston Medical School, Aston University, Birmingham, UK
| | - Nenad Naumovski
- Faculty of Health, University of Canberra, Bruce, ACT, Australia.,Collaborative Research in Bioactives and Biomarkers (CRIBB) Group, University of Canberra, Bruce, ACT, Australia
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Schwingshackl L, Krause M, Schmucker C, Hoffmann G, Rücker G, Meerpohl JJ. Impact of different types of olive oil on cardiovascular risk factors: A systematic review and network meta-analysis. Nutr Metab Cardiovasc Dis 2019; 29:1030-1039. [PMID: 31378629 DOI: 10.1016/j.numecd.2019.07.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/02/2019] [Accepted: 07/02/2019] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND AIM This network meta-analysis (NMA) compares the effects of different types of olive oil (OO) on cardiovascular risk factors. METHODS AND RESULTS Literature search was conducted on three electronic databases (Medline, Web of Science, and Cochrane Central). INCLUSION CRITERIA Randomized controlled trials (RCTs) (≥3 weeks duration of intervention) comparing at least two of the following types of OO: refined OO (ROO), mixed OO (MOO), low phenolic (extra) virgin OO (LP(E)VOO), and high phenolic (extra) virgin OO (HP(E)VOO). Random-effects NMA was performed for seven outcomes; and surface under the cumulative ranking curve (SUCRA) was estimated, using an analytical approach (P-score). Thirteen RCTs (16 reports) with 611 mainly healthy participants (mean age: 26-70 years) were identified. No differences for total cholesterol, HDL-cholesterol, triacylglycerols, and diastolic blood pressure were observed comparing ROO, MOO, LP(E)VOO and HP(E)VOO. HP(E)VOO slightly reduce LDL-cholesterol (LDL-C) compared to LP(E)VOO (mean difference [MD]: -0.14 mmol/L, 95%-CI: -0.28, -0.01). Both, HP(E)VOO and LP(E)VOO reduces SBP compared to ROO (range of MD: -2.99 to -2.87 mmHg), and HP(E)VOO may improve oxidized LDL-cholesterol (oxLDL-C) compared to ROO (standardized MD: -0.68, 95%-CI: -1.31, -0.04). In secondary analyses, EVOO may reduce oxLDL-C compared to ROO, and a dose-response relationship between higher intakes of phenolic compounds from OO and lower SBP and oxLDL-C values was detected. HP(E)VOO was ranked as best treatment for LDL-C (P-score: 0.83), oxLDL-C (0.88), and SBP (0.75). CONCLUSIONS HP(E)VOO may improve some cardiovascular risk factors, however, public health implications are limited by overall low or moderate certainty of evidence.
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Affiliation(s)
- Lukas Schwingshackl
- Institute for Evidence in Medicine, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany.
| | - Marc Krause
- Institute for Evidence in Medicine, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany
| | - Christine Schmucker
- Institute for Evidence in Medicine, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany
| | - Georg Hoffmann
- Department of Nutritional Sciences, Faculty of Life Sciences, University of Vienna, Austria
| | - Gerta Rücker
- Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany
| | - Joerg J Meerpohl
- Institute for Evidence in Medicine, Faculty of Medicine and Medical Center - University of Freiburg, Freiburg, Germany
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141
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Cecchi L, Schuster N, Flynn D, Bechtel R, Bellumori M, Innocenti M, Mulinacci N, Guinard JX. Sensory Profiling and Consumer Acceptance of Pasta, Bread, and Granola Bar Fortified with Dried Olive Pomace (Pâté): A Byproduct from Virgin Olive Oil Production. J Food Sci 2019; 84:2995-3008. [PMID: 31546280 DOI: 10.1111/1750-3841.14800] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 07/26/2019] [Accepted: 08/07/2019] [Indexed: 01/09/2023]
Abstract
An olive pomace (pâté) obtained from virgin olive oil production, was used for the fortification of pasta, bread, and granola bar. For each food, a control (without pâté) and a fortified sample (with pâté, 7% in pasta and 5% in bread and granola bar) were manufactured. Descriptive analysis showed that pâté strongly affected the appearance of pasta and bread and increased the bitterness of bread and granola bar but not pasta. Granola bar was less affected in general, likely because of its higher ingredient complexity. In a central location test with 175 Californian consumers, both the control and the fortified samples of all three foods were well accepted overall, with only the mean liking of the appearance of the fortified pasta falling below the "neither like nor dislike" mark. Approximately 30% of consumers preferred the fortified sample over the control for each food and 50% were willing to pay more for the fortified products. The percentage of phenols from pâté recovered in the prepared samples was such that 63 g of pasta, 18 g of bread, and 12 g of granola bar would be sufficient to meet the EFSA health claim for olive oil phenols. This study demonstrates that pâté can be used for fortification of foods for human consumption, thus adding potential economic value to the virgin olive oil production chain and allowing for a higher daily intake of phenols from Olea europaea L., whose beneficial health properties are well recognized. PRACTICAL APPLICATION: The dried olive oil pomace (pâté) that we developed and tested in this research can be used to fortify pasta, bread, and granola bars with health-beneficial phenols with only slight alterations of their sensory profiles and slight reduction in consumer acceptance. Virgin olive oil producers can use this byproduct and gain further economic value from olive oil production.
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Affiliation(s)
- Lorenzo Cecchi
- Dept. of NEUROFARBA, Univ. degli Studi di Firenze, Via Ugo Schiff 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Noah Schuster
- Dept. of Food Science and Technology, Univ. of California, Davis, CA, USA
| | - Dan Flynn
- Dept. of Food Science and Technology, Univ. of California, Davis, CA, USA
| | - Rose Bechtel
- Dept. of Food Science and Technology, Univ. of California, Davis, CA, USA
| | - Maria Bellumori
- Dept. of NEUROFARBA, Univ. degli Studi di Firenze, Via Ugo Schiff 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Marzia Innocenti
- Dept. of NEUROFARBA, Univ. degli Studi di Firenze, Via Ugo Schiff 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Nadia Mulinacci
- Dept. of NEUROFARBA, Univ. degli Studi di Firenze, Via Ugo Schiff 6, Sesto Fiorentino, 50019, Florence, Italy
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142
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Generation of the Antioxidant Hydroxytyrosol from Tyrosol Present in Beer and Red Wine in a Randomized Clinical Trial. Nutrients 2019; 11:nu11092241. [PMID: 31540384 PMCID: PMC6769679 DOI: 10.3390/nu11092241] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/09/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022] Open
Abstract
Beer and wine contains the simple phenol tyrosol (TYR) which is endogenously converted into hydroxytyrosol (HT), one of the strongest dietary antioxidants, by CYP2A6 and CYP2D6 polymorphic enzymes. We investigated in humans the rate of this bioconversion after beer and red wine (RW) intake. In a single blind, randomized, crossover, controlled clinical trial (n = 20 healthy subjects), we evaluated TYR absorption and biotransformation into HT following a single dose of (i) RW, (ii) Indian pale ale beer (IPA), (iii) blonde beer, and (iv) non-alcoholic beer (free). Individuals were genotyped for CYP2A6 and CYP2D6, and a polygenic activity score (PAS) was derived. RW triggered the highest increase in total TYR recovered, followed by IPA, blonde, and free beers. Although the HT content in beer was minimal, an increase in HT production was observed in all beers following TYR in a dose-response manner, confirming TYR to HT biotransformation. Sex differences were identified in the rate of the conversion following RW. PAS scores correlated linearly with the recoveries of HT (HT:TYR ratios) after RW intake. In conclusion, after beer and RW consumption, TYR is absorbed and endogenously biotransformed into HT. This mechanism could be modulated by sex, genetics, and matrix components.
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143
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Badimon L, Chagas P, Chiva-Blanch G. Diet and Cardiovascular Disease: Effects of Foods and Nutrients in Classical and Emerging Cardiovascular Risk Factors. Curr Med Chem 2019; 26:3639-3651. [DOI: 10.2174/0929867324666170428103206] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 03/15/2017] [Accepted: 03/15/2017] [Indexed: 01/01/2023]
Abstract
Cardiovascular diseases (CVD) are the leading cause of mortality worldwide. Diet comprises a mixture of food compounds that has an influence on human health. The relationship between diet and health is extremely complex and strategies to delay or prevent chronic diseases such as CVD are of utmost interest because chronic diseases and more concretely CVD are still the leading cause of death and disability worldwide. In this mini-review, we aimed to summarize the current knowledge about the principal diet components that potentially influence CVD initiation and progression. Current research refers to the Mediterranean dietary pattern, rich in fruits and vegetables, as the most cardioprotective, because of its high concentration of bioactive compounds such as unsaturated fatty acids, polyphenols, fiber, phytosterols, vitamins and minerals, which exert antioxidant, anti-inflammatory and antithrombotic effects contributing to the delay of CVD initiation and progression.
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Affiliation(s)
- Lina Badimon
- Cardiovascular Program-ICCC, Research Institute-Hospital Santa Creu i Sant Pau, Barcelona, Spain
| | - Patricia Chagas
- Cardiovascular Program-ICCC, Research Institute-Hospital Santa Creu i Sant Pau, Barcelona, Spain
| | - Gemma Chiva-Blanch
- Cardiovascular Program-ICCC, Research Institute-Hospital Santa Creu i Sant Pau, Barcelona, Spain
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144
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Kalampaliki AD, Giannouli V, Skaltsounis AL, Kostakis IK. A Three-Step, Gram-Scale Synthesis of Hydroxytyrosol, Hydroxytyrosol Acetate, and 3,4-Dihydroxyphenylglycol. Molecules 2019; 24:E3239. [PMID: 31492013 PMCID: PMC6767028 DOI: 10.3390/molecules24183239] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/01/2019] [Accepted: 09/03/2019] [Indexed: 12/11/2022] Open
Abstract
Hydroxytyrosol and two other polyphenols of olive tree, hydroxytyrosol acetate and 3,4-dihydroxyphenylglycol, are known for a wide range of beneficial activities in human health and prevention from diseases. The inability to isolate high, pure amounts of these natural compounds and the difficult and laborious procedures for the synthesis of them led us to describe herein an efficient, easy, cheap, and scaling up synthetic procedure, from catechol, via microwave irradiation.
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Affiliation(s)
- Amalia D Kalampaliki
- Division of Pharmaceutical Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, 15771 Athens, Greece.
| | - Vassiliki Giannouli
- Division of Pharmaceutical Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, 15771 Athens, Greece.
| | - Alexios-Leandros Skaltsounis
- Division of Pharmacognosy & Natural Product Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, 15771 Athens, Greece.
| | - Ioannis K Kostakis
- Division of Pharmaceutical Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, 15771 Athens, Greece.
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145
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De Santis S, Cariello M, Piccinin E, Sabbà C, Moschetta A. Extra Virgin Olive Oil: Lesson from Nutrigenomics. Nutrients 2019; 11:nu11092085. [PMID: 31487787 PMCID: PMC6770023 DOI: 10.3390/nu11092085] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/27/2019] [Accepted: 08/29/2019] [Indexed: 12/29/2022] Open
Abstract
Extra virgin olive oil (EVOO) consumption has a beneficial effect on human health, especially for prevention of cardiovascular disease and metabolic disorders. Here we underscore the peculiar importance of specific cultivars used for EVOO production since biodiversity among cultivars in terms of fatty acids and polyphenols content could differently impact on the metabolic homeostasis. In this respect, the nutrigenomic approach could be very useful to fully dissect the pathways modulated by different EVOO cultivars in terms of mRNA and microRNA transcriptome. The identification of genes and miRNAs modulated by specific EVOO cultivars could also help to discover novel nutritional biomarkers for prevention and/or prognosis of human disease. Thus, the nutrigenomic approach depicts a novel scenario to investigate if a specific EVOO cultivar could have a positive effect on human health by preventing the onset of cardiovascular disease and/or chronic inflammatory disorders also leading to cancer.
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Affiliation(s)
- Stefania De Santis
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy
- INBB, National Institute for Biostructures and Biosystems, 00136 Rome, Italy
- Department of Pharmacy-Drug Science, University of Bari "Aldo Moro", 70126 Bari, Italy
| | - Marica Cariello
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy
| | - Elena Piccinin
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy
| | - Carlo Sabbà
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy.
- IRCCS Istituto Tumori Giovanni Paolo II, 70124 Bari, Italy.
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146
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Pallazola VA, Davis DM, Whelton SP, Cardoso R, Latina JM, Michos ED, Sarkar S, Blumenthal RS, Arnett DK, Stone NJ, Welty FK. A Clinician's Guide to Healthy Eating for Cardiovascular Disease Prevention. Mayo Clin Proc Innov Qual Outcomes 2019; 3:251-267. [PMID: 31485563 PMCID: PMC6713921 DOI: 10.1016/j.mayocpiqo.2019.05.001] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 05/14/2019] [Accepted: 05/17/2019] [Indexed: 04/20/2023] Open
Abstract
Despite continued advances in health care, the cardiovascular disease (CVD) mortality rate has plateaued in recent years and appears to be trending upward. Poor diet is a leading cause of obesity and type 2 diabetes mellitus, which are leading contributors to CVD morbidity and mortality. Although dietary modification is a cornerstone of CVD prevention, implementation in clinical practice is limited by inadequate formal training in nutrition science. In this report, we review the individual components of a heart-healthy diet, evidence-based dietary recommendations, and the impact of diet on CVD risk factor prevention and management. Furthermore, we examine the unique difficulties of dietary counseling in low-socioeconomic-status environments and provide an evidence-based approach to better serve these populations. We utilized PubMed searches in adults with no date restriction with the following search terms: "carbohydrate," "fat," protein," "DASH," "Mediterranean," "plant-based," "vegetarian," "cardiovascular disease," "obesity," "weight loss," "diabetes," "socioeconomic status," and "race." In this review, we demonstrate that patients should focus on implementing a general diet plan that is high in fruits, whole grains, legumes, and nonstarchy vegetables while low in trans-fats, saturated fats, sodium, red meat, refined carbohydrates, and sugar-sweetened beverages. The Dietary Approaches to Stop Hypertension, Mediterranean, and vegetarian diets have the most evidence for CVD prevention. Clinicians should understand the barriers that patients may face in terms of access to healthy dietary choices. Further research is needed to determine the dietary changes that are most economically, socioculturally, and logistically feasible to reduce these barriers. Improvement in diet is a public health priority that can lead to a significant population-level reduction in CVD morbidity and mortality. It is imperative that clinicians understand current dietary practice guidelines and implement evidence-based dietary counseling in those at high risk for CVD.
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Key Words
- ACC, American College of Cardiology
- AHA, American Heart Association
- CHD, coronary heart disease
- CVD, cardiovascular disease
- DASH, Dietary Approaches to Stop Hypertension
- HDL-C, high-density lipoprotein cholesterol
- LCHF, low-carbohydrate high-protein/fat
- LDL-C, low-density lipoprotein cholesterol
- MI, myocardial infarction
- PURE, Prospective Urban Rural Epidemiology
- RCT, randomized control trial
- SBP, systolic blood pressure
- SES, socioeconomic status
- SSB, sugar-sweetened beverage
- USDA, US Department of Agriculture
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Affiliation(s)
- Vincent A. Pallazola
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Dorothy M. Davis
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Seamus P. Whelton
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Rhanderson Cardoso
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Jacqueline M. Latina
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Erin D. Michos
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Sudipa Sarkar
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
- Division of Endocrinology, Diabetes, and Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Roger S. Blumenthal
- Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, MD
| | - Donna K. Arnett
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham
| | - Neil J. Stone
- Cardiology Division, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Francine K. Welty
- Cardiology Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
- Correspondence: Address to Francine K. Welty, MD, PhD, Harvard Medical School, Specialized Center of Clinically Oriented Research in Vascular Injury, Repair, and Remodeling, Preventive Cardiology, Women's Health, Cardiovascular Division, 330 Brookline Ave, SL 423, Boston, MA 02215.
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147
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Lastra-Mejias M, Izquierdo M, Torreblanca-Zanca A, Aroca-Santos R, Cancilla JC, Sepulveda-Diaz JE, Torrecilla JS. Cognitive fluorescence sensing to monitor the storage conditions and locate adulterations of extra virgin olive oil. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.03.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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148
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Flori L, Donnini S, Calderone V, Zinnai A, Taglieri I, Venturi F, Testai L. The Nutraceutical Value of Olive Oil and Its Bioactive Constituents on the Cardiovascular System. Focusing on Main Strategies to Slow Down Its Quality Decay during Production and Storage. Nutrients 2019; 11:E1962. [PMID: 31438562 PMCID: PMC6770508 DOI: 10.3390/nu11091962] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/14/2019] [Accepted: 08/17/2019] [Indexed: 12/14/2022] Open
Abstract
Cardiovascular diseases represent the principal cause of morbidity and mortality worldwide. It is well-known that oxidative stress and inflammatory processes are strongly implicated in their pathogenesis; therefore, anti-oxidant and anti-inflammatory agents can represent effective tools. In recent years a large number of scientific reports have pointed out the nutraceutical and nutritional value of extra virgin olive oils (EVOO), strongholds of the Mediterranean diet, endowed with a high nutritional quality and defined as functional foods. In regard to EVOO, it is a food composed of a major saponifiable fraction, represented by oleic acid, and a minor unsaponifiable fraction, including a high number of vitamins, polyphenols, and squalene. Several reports suggest that the beneficial effects of EVOO are linked to the minor components, but recently, further studies have shed light on the health effects of the fatty fraction and the other constituents of the unsaponifiable fraction. In the first part of this review, an analysis of the clinical and preclinical evidence of the cardiovascular beneficial effects of each constituent is carried out. The second part of this review is dedicated to the main operating conditions during production and/or storage that can directly influence the shelf life of olive oil in terms of both nutraceutical properties and sensory quality.
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Affiliation(s)
- Lorenzo Flori
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126 Pisa, Italy
| | - Sandra Donnini
- Department of Life Sciences, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Vincenzo Calderone
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126 Pisa, Italy
- Interdepartmental Research Centre, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Angela Zinnai
- Interdepartmental Research Centre, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Isabella Taglieri
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy.
| | - Francesca Venturi
- Interdepartmental Research Centre, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy.
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy.
| | - Lara Testai
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126 Pisa, Italy.
- Interdepartmental Research Centre, Nutraceuticals and Food for Health, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy.
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149
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Protective Effects Induced by Two Polyphenolic Liquid Complexes from Olive ( Olea europaea, mainly Cultivar Coratina) Pressing Juice in Rat Isolated Tissues Challenged with LPS. Molecules 2019; 24:molecules24163002. [PMID: 31430921 PMCID: PMC6720671 DOI: 10.3390/molecules24163002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 08/11/2019] [Accepted: 08/15/2019] [Indexed: 12/21/2022] Open
Abstract
MOMAST(®) HY100 and MOMAST(®) HP30 are polyphenolic liquid complexes from olive pressing juice with a total polyphenolic content of 100 g/kg (at least 50% as hydroxytyrosol) and 36 g/kg (at least 30% as hydroxytyrosol), respectively. We investigated the potential protective role of MOMAST(®) HY100 and MOMAST(®) HP30 on isolated rat colon, liver, heart, and prefrontal cortex specimens treated with Escherichia coli lipopolysaccharide (LPS), a validated ex vivo model of inflammation, by measuring the production of prostaglandin (PG)E2, 8-iso-PGF2α, lactate dehydrogenase (LDH), as well as cyclooxygenase (COX)-2, tumor necrosis factor α (TNFα), and inducible nitric oxide synthase (iNOS) mRNA levels. MOMAST(®) HY100 decreased LPS-stimulated PGE2 and LDH levels in all tested tissues. Following treatment with MOMAST(®) HY100, we found a significant reduction in iNOS levels in prefrontal cortex and heart specimens, COX-2 and TNFα mRNA levels in heart specimens, and 8-iso-PGF2α levels in liver specimens. On the other hand, MOMAST(®) HP30 was found to blunt COX-2, TNFα, and iNOS mRNA levels, as well as 8-iso-PGF2α in cortex, liver, and colon specimens. MOMAST(®) HP30 was also found to decrease PGE2 levels in liver specimens, while it decreased iNOS mRNA, LDH, and 8-iso-PGF2α levels in heart specimens. Both MOMAST(®) HY100 and MOMAST(®) HP30 exhibited protective effects on multiple inflammatory and oxidative stress pathways.
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150
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Cecchi L, Migliorini M, Giambanelli E, Rossetti A, Cane A, Melani F, Mulinacci N. Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry Quantification of the Volatile Profile of More than 1200 Virgin Olive Oils for Supporting the Panel Test in Their Classification: Comparison of Different Chemometric Approaches. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:9112-9120. [PMID: 31314506 DOI: 10.1021/acs.jafc.9b03346] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A reliable and robust tool for supporting the panel test in virgin olive oil classification is still required. We propose four chemometric approaches based on t test, principal component analysis (PCA) and linear discriminant analysis (LDA), applied for combining sensorial data, and chemical measurements. The former was from the panel test, and the latter was from headspace solid-phase microextraction-gas chromatography-mass spectrometry quantitation of 73 volatile organic compounds (VOCs) of 1223 typical commercial virgin olive oils, with most of them recognized as difficult to classify with accuracy by the panel test. The approaches were developed and validated, and the best results, with 83.5% correct classification, were using the PCA-LDA approach. Among the other methods, developed for proposing simplified procedures based on a smaller number of VOCs, the best method gave 80.1% correct classification only using 10 VOCs. All of the approaches suggested that octane, heptanal, pent-1-en-3-ol, Z-3-hexenal, nonanal, and 4-ethylphenol should be considered as a basis of volatiles for classification of olive oil samples.
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Affiliation(s)
- Lorenzo Cecchi
- Dipartimento di NEUROFARBA , Università degli Studi di Firenze , Via Ugo Schiff 6 , 50019 Sesto Fiorentino, Florence , Italy
| | - Marzia Migliorini
- Carapelli Firenze S.p.A. , Via Leonardo da Vinci 31 , 50028 Tavarnelle Val di Pesa, Florence , Italy
| | - Elisa Giambanelli
- Carapelli Firenze S.p.A. , Via Leonardo da Vinci 31 , 50028 Tavarnelle Val di Pesa, Florence , Italy
| | - Adolfo Rossetti
- Carapelli Firenze S.p.A. , Via Leonardo da Vinci 31 , 50028 Tavarnelle Val di Pesa, Florence , Italy
| | - Anna Cane
- Carapelli Firenze S.p.A. , Via Leonardo da Vinci 31 , 50028 Tavarnelle Val di Pesa, Florence , Italy
| | - Fabrizio Melani
- Dipartimento di NEUROFARBA , Università degli Studi di Firenze , Via Ugo Schiff 6 , 50019 Sesto Fiorentino, Florence , Italy
| | - Nadia Mulinacci
- Dipartimento di NEUROFARBA , Università degli Studi di Firenze , Via Ugo Schiff 6 , 50019 Sesto Fiorentino, Florence , Italy
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