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Ballesteros-Ramírez R, Lasso P, Urueña C, Saturno J, Fiorentino S. Assessment of Acute and Chronic Toxicity in Wistar Rats ( Rattus norvegicus) and New Zealand Rabbits (Oryctolagus cuniculus) of an Enriched Polyphenol Extract Obtained from Caesalpinia spinosa. J Toxicol 2024; 2024:3769933. [PMID: 38633362 PMCID: PMC11023715 DOI: 10.1155/2024/3769933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 01/23/2024] [Accepted: 03/13/2024] [Indexed: 04/19/2024] Open
Abstract
Although herbal drugs are often considered safe for consumption, there is increasing evidence that some can generate undesirable health effects. However, polyphenols found in certain plants have been shown to provide a range of benefits for human health. In previous work, a standardized and quantified extract (P2Et) obtained from Caesalpinia spinosa (Dividivi) plant showed promising antioxidant, immunomodulatory, and anti-inflammatory properties in animal models of cancer and COVID-19 patients. The extract has also been subjected to genotoxicity, mutagenicity, and 28-day oral chronic toxicity evaluations, demonstrating a good safety profile. To advance preclinical and clinical development, further acute and chronic toxicity evaluations of the P2Et extract were performed. Acute toxicity tests were performed orally in Wistar rats at a dose of 2000 mg/kg, indicating that the lethal dose 50% (LD50) value exceeded 2000 mg/kg and classifying the P2Et extract as category 5 according to the Globally Harmonized System of Classification (GHS). In this work, chronic toxicity tests were conducted for 180 days on Wistar rats and New Zealand rabbits at a dose of 1000 mg/kg under Good Laboratory Practice (GLP) conditions. No weight loss or alterations in biochemical and hematological parameters associated with treatment were observed in the animals, suggesting the absence of toxicity in the assessed parameters. These results indicate that the P2Et extract is safe for oral administration at doses up to 1000 mg/kg body weight over a six-month period.
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Affiliation(s)
- Ricardo Ballesteros-Ramírez
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Paola Lasso
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Claudia Urueña
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Jenny Saturno
- Grupo de Investigación de Fitoquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Susana Fiorentino
- Grupo de Inmunobiología y Biología Celular, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
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2
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Asido E, Zeigerman H, Verman M, Argov-Argaman N, Kanner J, Tirosh O. Meat crust as a novel food ingredient to regulate lipid peroxidation and oxidative stress. Curr Res Food Sci 2023; 8:100652. [PMID: 38204879 PMCID: PMC10776429 DOI: 10.1016/j.crfs.2023.100652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 11/22/2023] [Accepted: 12/02/2023] [Indexed: 01/12/2024] Open
Abstract
Pan Fry (PF) is a common heating treatment however, there is limited data on meat oxidation after PF using direct contact with an uncoated iron pan. After PF, a crust is formed, and in this study, we aim to evaluate the potential anti-oxidation and anti-lipid peroxidation capacity of such crust. Ground beef and turkey meat were heat treated using PF or microwave. Lipid peroxidation was evaluated using malondialdehyde accumulation. PF meat generated lower lipid peroxidation levels versus microwave-heated meat. Iron PF has decreased lipid peroxidation versus Teflon pan heating. The crust significantly lowered lipid peroxidation and possessed millard reaction products (MRPs), strong reducing abilities, iodine removal capacity, and some iron chelation capacity. We demonstrated that the crust substantially decreases lipid peroxidation levels in various systems and can be used as a novel seminatural antioxidant ingredient, which may lead to extended shelf life and protects various food products.
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Affiliation(s)
- Eylon Asido
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Haim Zeigerman
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Michal Verman
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Nurit Argov-Argaman
- Department of Animal Science, The Robert H. Smith Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, 76100, Israel
| | - Joseph Kanner
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Oren Tirosh
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food, and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
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3
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Kanner J. Food Polyphenols as Preventive Medicine. Antioxidants (Basel) 2023; 12:2103. [PMID: 38136222 PMCID: PMC10740609 DOI: 10.3390/antiox12122103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/04/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Reactive oxygen species (ROS) are the initiators in foods and in the stomach of oxidized dietary lipids, proteins, and lipid-oxidation end-products (ALEs), inducing in humans the development of several chronic diseases and cancer. Epidemiological, human clinical and animal studies supported the role of dietary polyphenols and derivatives in prevention of development of such chronic diseases. There is much evidence that polyphenols/derivatives at the right timing and concentration, which is critical, acts mostly in the aerobic stomach and generally in the gastrointestinal tract as reducing agents, scavengers of free radicals, trappers of reactive carbonyls, modulators of enzyme activity, generators of beneficial gut microbiota and effectors of cellular signaling. In the blood system, at low concentration, they act as generators of electrophiles and low concentration of H2O2, acting mostly as cellular signaling, activating the PI3K/Akt-mediated Nrf2/eNOS pathways and inhibiting the inflammatory transcription factor NF-κB, inducing the cells, organs and organism for eustress, adaptation and surviving.
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Affiliation(s)
- Joseph Kanner
- Department of Food Science, ARO, Volcani Center, Bet-Dagan 7505101, Israel; or
- Institute of Biochemistry, Food Science and Nutrtion, Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Rehovot 9190501, Israel
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4
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Shubina VS, Kozina VI, Shatalin YV. A Comparative Study of the Inhibitory Effect of Some Flavonoids and a Conjugate of Taxifolin with Glyoxylic Acid on the Oxidative Burst of Neutrophils. Int J Mol Sci 2023; 24:15068. [PMID: 37894747 PMCID: PMC10606308 DOI: 10.3390/ijms242015068] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/30/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
During the storage, processing, and digestion of flavonoid-rich foods and beverages, a condensation of flavonoids with toxic carbonyl compounds occurs. The effect of the resulting products on cells remains largely unknown. The aim of the present study was to evaluate the effects of quercetin, taxifolin, catechin, eriodictyol, hesperetin, naringenin, and a condensation product of taxifolin with glyoxylic acid on the oxidative burst of neutrophils. It was found that the flavonoids and the condensation product inhibited the total production of ROS. Flavonoids decreased both the intra and extracellular ROS production. The condensation product had no effect on intracellular ROS production but effectively inhibited the extracellular production of ROS. Thus, the condensation of flavonoids with toxic carbonyl compounds may lead to the formation of compounds exhibiting potent inhibitory effects on the oxidative burst of neutrophils. The data also suggest that, during these reactions, the influence of a fraction of flavonoids and their polyphenolic derivatives on cellular functions may change. On the whole, the results of the study provide a better understanding of the effects of polyphenols on human health. In addition, these results reveal the structure-activity relationship of these polyphenols and may be useful in a search for new therapeutic agents against diseases associated with oxidative stress.
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Affiliation(s)
- Victoria S. Shubina
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia;
| | | | - Yuri V. Shatalin
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia;
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5
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Tyuryaeva I, Lyublinskaya O. Expected and Unexpected Effects of Pharmacological Antioxidants. Int J Mol Sci 2023; 24:ijms24119303. [PMID: 37298254 DOI: 10.3390/ijms24119303] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/06/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
In this review, we have collected the existing data on the bioactivity of antioxidants (N-acetylcysteine, polyphenols, vitamin C) which are traditionally used in experimental biology and, in some cases, in the clinic. Presented data show that, despite the capacity of these substances to scavenge peroxides and free radicals in cell-free systems, their ability to exhibit these properties in vivo, upon pharmacological supplementation, has not been confirmed so far. Their cytoprotective activity is explained mainly by the ability not to suppress, but to activate multiple redox pathways, which causes biphasic hormetic responses and highly pleiotropic effects in cells. N-acetylcysteine, polyphenols, and vitamin C affect redox homeostasis by generating low-molecular-weight redox-active compounds (H2O2 or H2S), known for their ability to stimulate cellular endogenous antioxidant defense and promote cytoprotection at low concentrations but exert deleterious effects at high concentrations. Moreover, the activity of antioxidants strongly depends on the biological context and mode of their application. We show here that considering the biphasic and context-dependent response of cells on the pleiotropic action of antioxidants can help explain many of the conflicting results obtained in basic and applied research and build a more logical strategy for their use.
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Affiliation(s)
- Irina Tyuryaeva
- Department of Intracellular Signaling and Transport, Institute of Cytology of the Russian Academy of Sciences, Tikhoretskii pr. 4, 194064 St. Petersburg, Russia
| | - Olga Lyublinskaya
- Department of Intracellular Signaling and Transport, Institute of Cytology of the Russian Academy of Sciences, Tikhoretskii pr. 4, 194064 St. Petersburg, Russia
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Borel P, Dangles O, Kopec RE. Fat-soluble vitamin and phytochemical metabolites: Production, gastrointestinal absorption, and health effects. Prog Lipid Res 2023; 90:101220. [PMID: 36657621 DOI: 10.1016/j.plipres.2023.101220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 12/12/2022] [Accepted: 01/12/2023] [Indexed: 01/18/2023]
Abstract
Consumption of diets rich in fruits and vegetables, which provide some fat-soluble vitamins and many phytochemicals, is associated with a lower risk of developing certain degenerative diseases. It is well accepted that not only the parent compounds, but also their derivatives formed upon enzymatic or nonenzymatic transformations, can produce protective biological effects. These derivatives can be formed during food storage, processing, or cooking. They can also be formed in the lumen of the upper digestive tract during digestion, or via metabolism by microbiota in the colon. This review compiles the known metabolites of fat-soluble vitamins and fat-soluble phytochemicals (FSV and FSP) that have been identified in food and in the human digestive tract, or could potentially be present based on the known reactivity of the parent compounds in normal or pathological conditions, or following surgical interventions of the digestive tract or consumption of xenobiotics known to impair lipid absorption. It also covers the very limited data available on the bioavailability (absorption, intestinal mucosa metabolism) and summarizes their effects on health. Notably, despite great interest in identifying bioactive derivatives of FSV and FSP, studying their absorption, and probing their putative health effects, much research remains to be conducted to understand and capitalize on the potential of these molecules to preserve health.
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Affiliation(s)
- Patrick Borel
- C2VN, INRAE, INSERM, Aix-Marseille Univ, Marseille, France.
| | | | - Rachel E Kopec
- Human Nutrition Program, Department of Human Sciences, Foods for Health Discovery Theme, The Ohio State University, Columbus, OH 43210, USA.
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Rabkin B, Tirosh O, Kanner J. Reactivity of Vitamin E as an Antioxidant in Red Meat and the Stomach Medium. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12172-12179. [PMID: 36121850 DOI: 10.1021/acs.jafc.2c03674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The stomach is a bioreactor and an important intersection of biochemical reactions that affect human health. Lipid peroxidation of meat in the stomach medium generates malondialdehyde (MDA), which is absorbed from the gut into human plasma and modifies low-density lipoprotein (LDL) to MDA-LDL. We found in the stomach medium (pH 3.0) a high antioxidant activity of vitamin E against meat lipid peroxidation, almost 35-fold higher than at pH 6.3. In the stomach medium, the antioxidant activity of vitamin E on meat lipid peroxidation was 20-fold higher than that of catechin. Vitamin E, at pH 3.0, acts synergistically with metmyoglobin (MbFe+3), as a peroxidase/antioxidant couple. The synergistic effect of MbFe+3/vitamin E was almost 150-fold higher than the antioxidant effect achieved by MbFe+3/catechin. The meat antioxidant activity was maintained continuously by addition of a low concentration of vitamin E, catechin, and vitamin C, preventing the propagation of lipid oxidation, reactive aldehyde generation, and the loss of vitamin E.
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Affiliation(s)
- Boris Rabkin
- Department of Food Science, ARO Volcani Center, Bet-Dagan 50250, Israel
| | - Oren Tirosh
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Joseph Kanner
- Department of Food Science, ARO Volcani Center, Bet-Dagan 50250, Israel
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
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8
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Turpin W, Dong M, Sasson G, Raygoza Garay JA, Espin-Garcia O, Lee SH, Neustaeter A, Smith MI, Leibovitzh H, Guttman DS, Goethel A, Griffiths AM, Huynh HQ, Dieleman LA, Panaccione R, Steinhart AH, Silverberg MS, Aumais G, Jacobson K, Mack D, Murthy SK, Marshall JK, Bernstein CN, Abreu MT, Moayyedi P, Paterson AD, Xu W, Croitoru K. Mediterranean-Like Dietary Pattern Associations With Gut Microbiome Composition and Subclinical Gastrointestinal Inflammation. Gastroenterology 2022; 163:685-698. [PMID: 35643175 DOI: 10.1053/j.gastro.2022.05.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND & AIMS Case-control studies have shown that patients with Crohn's disease (CD) have a microbial composition different from healthy individuals. Although the causes of CD are unknown, epidemiologic studies suggest that diet is an important contributor to CD risk, potentially via modulation of bacterial composition and gut inflammation. We hypothesized that long-term dietary clusters (DCs) are associated with gut microbiome compositions and gut inflammation. Our objectives were to identify dietary patterns and assess whether they are associated with alterations in specific gut microbial compositions and subclinical levels of gut inflammation in a cohort of healthy first-degree relatives (FDRs) of patients with CD. METHODS As part of the Genetic, Environmental, Microbial (GEM) Project, we recruited a cohort of 2289 healthy FDRs of patients with CD. Individuals provided stool samples and answered a validated food frequency questionnaire reflecting their habitual diet during the year before sample collection. Unsupervised analysis identified 3 dietary and 3 microbial composition clusters. RESULTS DC3, resembling the Mediterranean diet, was strongly associated with a defined microbial composition, with an increased abundance of fiber-degrading bacteria, such as Ruminococcus, as well as taxa such as Faecalibacterium. The DC3 diet was also significantly associated with lower levels of subclinical gut inflammation, defined by fecal calprotectin, compared with other dietary patterns. No significant associations were found between individual food items and fecal calprotectin, suggesting that long-term dietary patterns rather than individual food items contribute to subclinical gut inflammation. Additionally, mediation analysis demonstrated that DC3 had a direct effect on subclinical inflammation that was partially mediated by the microbiota. CONCLUSIONS Overall, these results indicated that Mediterranean-like dietary patterns are associated with microbiome and lower intestinal inflammation. This study will help guide future dietary strategies that affect microbial composition and host gut inflammation to prevent diseases.
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Affiliation(s)
- Williams Turpin
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Mei Dong
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Gila Sasson
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Juan Antonio Raygoza Garay
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Osvaldo Espin-Garcia
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Sun-Ho Lee
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Anna Neustaeter
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Michelle I Smith
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Haim Leibovitzh
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - David S Guttman
- Department of Cell & Systems Biology, University of Toronto, Toronto, Ontario, Canada; Centre for the Analysis of Genome Evolution & Function, University of Toronto, Toronto, Ontario, Canada
| | - Ashleigh Goethel
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Anne M Griffiths
- Division of Gastroenterology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Hien Q Huynh
- Division of Gastroenterology and Nutrition, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Levinus A Dieleman
- Division of Gastroenterology and the Centre of Excellence for Gastrointestinal Inflammation and Immunity Research (CEGIIR), Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Remo Panaccione
- Inflammatory Bowel Disease Clinic, Division of Gastroenterology and Hepatology, University of Calgary, Calgary, Alberta, Canada
| | - A Hillary Steinhart
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Mark S Silverberg
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Guy Aumais
- Department of Medicine, Hôpital Maisonneuve-Rosemont, Montreal University, Montreal, Quebec, Canada
| | - Kevan Jacobson
- Canadian Gastro-Intestinal Epidemiology Consortium (CanGIEC); British Columbia Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - David Mack
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ontario, Canada
| | - Sanjay K Murthy
- The Ottawa Hospital Inflammatory Bowel Disease Centre, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - John K Marshall
- Department of Medicine, McMaster University, Farncombe Family Digestive Health Research Institute, Hamilton, Ontario, Canada
| | - Charles N Bernstein
- Inflammatory Bowel Disease Clinical and Research Centre, and Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Maria T Abreu
- Department of Medicine, Crohn's and Colitis Center, University of Miami Miller School of Medicine, Miami, Florida
| | - Paul Moayyedi
- Department of Medicine, McMaster University, Farncombe Family Digestive Health Research Institute, Hamilton, Ontario, Canada
| | - Andrew D Paterson
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Genetics and Genome Biology, The Hospital for Sick Children Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | | | - Wei Xu
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, and Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Kenneth Croitoru
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada.
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9
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Tüccar TB, Akbulut G. Mediterranean meal favorably effects postprandial oxidative stress response compared with a western meal in healthy women. INT J VITAM NUTR RES 2021. [PMID: 34636645 DOI: 10.1024/0300-9831/a000734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Oxidative stress and inflammation are underlying factors in the pathogenesis of chronic diseases. The postprandial state is characterized by low-grade oxidative and inflammatory responses, but the impact of different dietary patterns on these responses is unclear. The objective of this study was to investigate postprandial oxidative and inflammatory responses to Mediterranean diet (MED) and Western diet (WD) meals. In a randomised crossover design, eleven healthy women, aged between 19-45 years with a body mass index of 20.0-24.9 kg/m2, consumed two different isocaloric meals: MED and WD. Blood samples were collected at fasting and 2, 3, 4 h postprandially and analyzed for oxidative [total antioxidant status (TAS), total oxidant status (TOS), total thiol, native thiol, malondialdehyde (MDA)] and inflammatory [high sensitivity C-reactive protein (hs-CRP), interleukin (IL)-6, IL-17, IL-23, tumor necrosis factor alpha (TNF-α) and nuclear factor kappa B (NF-κB)] markers. MED meal intake resulted in increases in TAS (0.05±0.02 mmol/L; p=0.017), total thiol (23.00±7.69 μmol/L; p=0.013) and native thiol (12.82±4.94 μmol/L; p=0.027), while a decrease in MDA (-0.17±0.06 nmol/L; p=0.022) at 2 h. On the other hand, TAS reduced significantly overall (p=0.005) after WD meal intake. There was a significant increase after WD meal intake for IL-6 (1.39±0.49 pg/mL; p=0.017), IL-17 (4.30±1.50 pg/mL; p=0.017), IL-23 (8.38±3.51 pg/mL; p=0.038) at 4 h. However, serum hs-CRP, TNF-α and NF-κB levels were not changed significantly by meal intake. The results indicate that MED meal induces favorable effects on oxidative stress, while WD meal partially increases inflammation in daily life.
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Affiliation(s)
- Tuğçe Bulmuş Tüccar
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Yüksek İhtisas University, Ankara, Turkey
| | - Gamze Akbulut
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
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10
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Shubina VS, Kozina VI, Shatalin YV. Comparison of Antioxidant Properties of a Conjugate of Taxifolin with Glyoxylic Acid and Selected Flavonoids. Antioxidants (Basel) 2021; 10:antiox10081262. [PMID: 34439510 PMCID: PMC8389318 DOI: 10.3390/antiox10081262] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/04/2021] [Accepted: 08/04/2021] [Indexed: 01/05/2023] Open
Abstract
It is known that flavonoids can react with toxic carbonyl compounds in the process of the storage, aging, and digestion of flavonoid-rich foods and beverages. However, the effect of these reactions on the antioxidant properties of the polyphenolic fraction and the properties of the resulting products remain poorly studied. The aim of the present work was to study the antioxidant activity of quercetin, taxifolin, catechin, eriodictyol, hesperetin, naringenin and a product of the condensation of taxifolin with glyoxylic acid, as well as to reveal the structure–activity relationship of these polyphenols. It was found that flavonoids containing the catechol moiety exhibited higher antioxidant activity than hesperetin and naringenin. The product showed the highest hydrogen peroxide scavenging activity, a lower metal-reducing and a higher iron-binding ability than catechol-containing flavonoids, and a lipid peroxidation inhibitory activity comparable with that of taxifolin. Thus, the condensation of flavonoids with toxic carbonyl compounds might lead to the formation of products exhibiting high antioxidant activity. Meanwhile, the conditions under which parent flavonoids and their products exhibit the maximal antioxidant activity may differ. The data suggest that the antioxidant profile of the polyphenolic fraction and bioavailability of polyphenols, carbonyl compounds, and metal ions may change when these reactions occur.
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Macho-González A, Bastida S, Garcimartín A, López-Oliva ME, González P, Benedí J, González-Muñoz MJ, Sánchez-Muniz FJ. Functional Meat Products as Oxidative Stress Modulators: A Review. Adv Nutr 2021; 12:1514-1539. [PMID: 33578416 PMCID: PMC8321872 DOI: 10.1093/advances/nmaa182] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/21/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023] Open
Abstract
High meat consumption has been associated with increased oxidative stress mainly due to the generation of oxidized compounds in the body, such as malondialdehyde, 4-hydroxy-nonenal, oxysterols, or protein carbonyls, which can induce oxidative damage. Meat products are excellent matrices for introducing different bioactive compounds, to obtain functional meat products aimed at minimizing the pro-oxidant effects associated with high meat consumption. Therefore, this review aims to summarize the concept and preparation of healthy and functional meat, which could benefit antioxidant status. Likewise, the key strategies regarding meat production and storage as well as ingredients used (e.g., minerals, polyphenols, fatty acids, walnuts) for developing these functional meats are detailed. Although most effort has been made to reduce the oxidation status of meat, newly emerging approaches also aim to improve the oxidation status of consumers of meat products. Thus, we will delve into the relation between functional meats and their health effects on consumers. In this review, animal trials and intervention studies are discussed, ascertaining the extent of functional meat products' properties (e.g., neutralizing reactive oxygen species formation and increasing the antioxidant response). The effects of functional meat products in the frame of diet-gene interactions are analyzed to 1) discover target subjects that would benefit from their consumption, and 2) understand the molecular mechanisms that ensure precision in the prevention and treatment of diseases, where high oxidative stress takes place. Long-term intervention-controlled studies, testing different types and amounts of functional meat, are also necessary to ascertain their positive impact on degenerative diseases.
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Affiliation(s)
- Adrián Macho-González
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - Sara Bastida
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - Alba Garcimartín
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - María Elvira López-Oliva
- Departmental Section of Physiology, Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - Pilar González
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, Madrid, Spain
| | - Juana Benedí
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - María José González-Muñoz
- Biomedical Sciences Department, Toxicology Teaching Unit, Pharmacy School, Alcala University, Alcalá de Henares, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
| | - Francisco J Sánchez-Muniz
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, Madrid, Spain
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), Madrid, Spain
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12
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Abdelkarem HM, El-Sherif MA, Gomma SB, Kassem SS, Abdelkader MM. Olive Leaf Powder Modulate Insulin Production and Circulating Adipokines in Streptozotocin Induced Diabetic Rats. J Diet Suppl 2021; 19:550-565. [PMID: 34114942 DOI: 10.1080/19390211.2021.1914267] [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: 10/21/2022]
Abstract
Olives (Olea europaea) have natural phytochemical compounds that are of great importance for their potential beneficially health effects. This study aimed to evaluate the effects of olive leaf powder (OLP) on insulin production and circulating adipokines in streptozotocin-induced diabetic rats. Forty Wistar-albino male rats, weighing 200-225 g were divided into four groups (n = 10); group I: Normal healthy rats received balanced diet; group II: Diabetic control rats receiving balanced diet; group III: Diabetic rats receiving balanced diet + standard antidiabetic drugs (metformin, 600 mg/bw) and group four: Diabetic rats received diet supplemented with 2.0% OLP. The experiment was conducted for four weeks. Our results showed that the consumption of 2.0% OLP decreased serum glucose, triglycerides (TG), total cholesterol (TC), and low-density lipoprotein (LDL) levels, whereas serum high density lipoprotein (HDL) level was increased. OLP supplementation also inhibited the atherogenic index [AI; log (TG/HDL-C) and atherogenic coefficient (AC)] levels relative to those of the untreated diabetic group. Moreover, OLP increased serum adiponectin concentration, and decreased serum leptin concentration. Liver and kidney functions were also attenuated by OLP. This finding also implies that OLP can play an important role in the treatment and delay of diabetic complications.
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Affiliation(s)
- Hala M Abdelkarem
- Chemistry Department, Science College, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mervat A El-Sherif
- Chemistry Department, Science College, Jouf University, Sakaka, Saudi Arabia.,Food Technology Research Institute, Giza, Egypt
| | - Sahar B Gomma
- Biochemistry Department, National Organization for Drug Control and Research (NODCAR), Giza, Egypt
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Effectiveness of the Natural Antioxidant 2,4,4'-Trihydroxychalcone on the Oxidation of Sunflower Oil during Storage. Molecules 2021; 26:molecules26061630. [PMID: 33804119 PMCID: PMC7998987 DOI: 10.3390/molecules26061630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/06/2021] [Accepted: 03/12/2021] [Indexed: 12/05/2022] Open
Abstract
This study aimed to investigate the effectiveness of 2,4,4′-trihydroxychalcone as a natural antioxidant on the oxidation of sunflower oil during an 88-day storage period and to compare its strength with the synthetic antioxidant butylated hydroxytoluene (BHT). Seven groups of the sunflower oil samples were prepared: pure oil (control), oil treated with different concentrations (100, 500, and 1000 ppm) of 2,4,4′-trihydroxychalcone, and oil treated with different concentrations (100, 500, and 1000 ppm) of BHT. Specific parameters, namely, the peroxide value (PV), acid value (AV), p-anisidine value (p-AnV), thiobarbituric acid reactive substance (TBARS) value and total oxidation (TOTOX) value were used to assess the extent of the deterioration of the oil by estimating the primary and secondary oxidation products. The results showed that 2,4,4′-trihydroxychalcone effectively decreased the production of the primary and secondary oxidation products of sunflower oil during storage, as indicated by reductions in the PVs, AVs, p-AnVs, TBARS values and TOTOX values of the sunflower oil. When compared to BHT, 2,4,4′-trihydroxychalcone showed either a similar or stronger effect in inhibiting the primary and secondary oxidation products. These findings suggest that, 2,4,4′-trihydroxychalcone is a suitable natural alternative to synthetic antioxidants to improve the oxidative stability of sunflower oil.
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Food matrixes play a key role in the distribution of contaminants of lipid origin: A case study of malondialdehyde formation in vegetable oils during deep-frying. Food Chem 2021; 347:129080. [PMID: 33508586 DOI: 10.1016/j.foodchem.2021.129080] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/20/2020] [Accepted: 01/07/2021] [Indexed: 11/20/2022]
Abstract
Vegetable oils are increasingly replacing animal fats in diets, but malondialdehyde (MDA), a peroxidation product of these oils, has been regarded as toxic; this necessitated investigation of MDA formation during consumption. This study investigated MDA formation in four vegetable oils during frying French fries (FF) and fried chicken breast meat (FCBM) at 180 °C for 7 h. Results showed that MDA contents were lower in oils used for frying foods than in control oils, mainly because MDA was incorporated into the foods. MDA content was lower in FF, but higher in FCBM, due to the different food components. Model oil and food system analyses yielded similar results. MDA bound the hydrophobic helical structure in starch-based FF, but was exhibited greater reactivity with nucleophilic groups in protein-based FCBM, resulting in stronger interaction with FCBM than with FF. Our results indicated the existence of distinct mechanisms underlying MDA migration in different food matrixes.
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15
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Delgado J, Ansorena D, Van Hecke T, Astiasarán I, De Smet S, Estévez M. Meat lipids, NaCl and carnitine: Do they unveil the conundrum of the association between red and processed meat intake and cardiovascular diseases?_Invited Review. Meat Sci 2021; 171:108278. [DOI: 10.1016/j.meatsci.2020.108278] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 12/15/2022]
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16
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Wine's Phenolic Compounds and Health: A Pythagorean View. Molecules 2020; 25:molecules25184105. [PMID: 32911765 PMCID: PMC7570485 DOI: 10.3390/molecules25184105] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/02/2020] [Accepted: 09/05/2020] [Indexed: 12/22/2022] Open
Abstract
In support of the J curve that describes the association between wine consumption and all-cause mortality, researchers and the lay press often advocate the health benefits of (poly)phenol consumption via red wine intake and cite the vast amount of in vitro literature that would corroborate the hypothesis. Other researchers dismiss such evidence and call for total abstention. In this review, we take a skeptical, Pythagorean stance and we critically try to move the debate forward by pointing the readers to the many pitfalls of red wine (poly)phenol research, which we arbitrarily treat as if they were pharmacological agents. We conclude that, after 30 years of dedicated research and despite the considerable expenditure, we still lack solid, "pharmacological", human evidence to confirm wine (poly)phenols' biological actions. Future research will eventually clarify their activities and will back the current recommendations of responsibly drinking moderate amounts of wine with meals.
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Polyphenols by Generating H 2O 2, Affect Cell Redox Signaling, Inhibit PTPs and Activate Nrf2 Axis for Adaptation and Cell Surviving: In Vitro, In Vivo and Human Health. Antioxidants (Basel) 2020; 9:antiox9090797. [PMID: 32867057 PMCID: PMC7555200 DOI: 10.3390/antiox9090797] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/18/2020] [Accepted: 08/19/2020] [Indexed: 12/29/2022] Open
Abstract
Human health benefits from different polyphenols molecules consumption in the diet, derived mainly by their common activities in the gastrointestinal tract and at the level of blood micro-capillary. In the stomach, intestine and colon, polyphenols act as reducing agents preventing lipid peroxidation, generation and absorption of AGEs/ALEs (advanced glycation end products/advanced lipid oxidation end products) and postprandial oxidative stress. The low absorption of polyphenols in blood does not support their activity as antioxidants and their mechanism of activity is not fully understood. The results are from in vitro, animal and human studies, detected by relevant oxidative stress markers. The review carries evidences that polyphenols, by generating H2O2 at nM concentration, exogenous to cells and organs, act as activators of signaling factors increasing cell Eustress. When polyphenols attain high concentration in the blood system, they generate H2O2 at µM concentration, acting as cytotoxic agents and Distress. Pre-treatment of cells or organisms with polyphenols, by generating H2O2 at low levels, inhibits cellular PTPs (protein tyrosine phosphatases), inducing cell signaling through transcription of the Nrf2 (nuclear factor erythroid 2-related factor 2) axis of adaptation and protection to oxidation stress. Polyphenols ingestion at the right amount and time during the meal acts synergistically at the level of the gastrointestinal tract (GIT) and blood system, for keeping the redox homeostasis in our organism and better balancing human health.
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Macho-González A, Garcimartín A, López-Oliva ME, Bastida S, Benedí J, Ros G, Nieto G, Sánchez-Muniz FJ. Can Meat and Meat-Products Induce Oxidative Stress? Antioxidants (Basel) 2020; 9:E638. [PMID: 32698505 PMCID: PMC7402184 DOI: 10.3390/antiox9070638] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/11/2020] [Accepted: 07/16/2020] [Indexed: 02/06/2023] Open
Abstract
High meat and meat-products consumption has been related to degenerative diseases. In addition to their saturated fatty acids and cholesterol contents, oxidation products generated during their production, storage, digestion, and metabolization have been largely implicated. This review begins by summarizing the concept of meat and meat-products by the main international regulatory agencies while highlighting the nutritional importance of their consumption. The review also dials in the controversy of white/red meat classification and insists in the need of more accurate classification based on adequate scores. Since one of the negative arguments that meat receives comes from the association of its consumption with the increase in oxidative stress, main oxidation compounds (malondialdehyde, thermaloxidized compounds, 4-hydroxy-nonenal, oxysterols, or protein carbonyls) generated during its production, storage, and metabolization, are included as a central aspect of the work. The review includes future remarks addressed to study the effects meat consumption in the frame of diet-gene interactions, stressing the importance of knowing the genetic variables that make individuals more susceptible to a possible oxidative stress imbalance or antioxidant protection. The importance of consumed meat/meat-products in the frame of a personalized nutrition reach in plant-food is finally highlighted considering the importance of iron and plant biophenols on the microbiota abundance and plurality, which in turn affect several aspects of our physiology and metabolism.
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Affiliation(s)
- Adrián Macho-González
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.-G.); (S.B.)
| | - Alba Garcimartín
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.G.); (J.B.)
| | - María Elvira López-Oliva
- Departmental Section of Physiology, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Sara Bastida
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.-G.); (S.B.)
| | - Juana Benedí
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.G.); (J.B.)
| | - Gaspar Ros
- Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, Espinardo, 30071 Murcia, Spain;
| | - Gema Nieto
- Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare Nostrum”, Espinardo, 30071 Murcia, Spain;
| | - Francisco José Sánchez-Muniz
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.-G.); (S.B.)
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19
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Ma L, Liu G, Cheng W, Liu X, Liu H, Wang Q, Mao G, Cai X, Brennan C, Brennan MA. Formation of malondialdehyde, 4‐hydroxy‐hexenal and 4‐hydroxy‐nonenal during deep‐frying of potato sticks and chicken breast meat in vegetable oils. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14462] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lukai Ma
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Guoqin Liu
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Products Safety School of Food Science and Engineering South China University of Technology Guangzhou 510640 China
| | - Weiwei Cheng
- Institute for Advanced Study Shenzhen University Shenzhen 518060 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 China
| | - Huifan Liu
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Qin Wang
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Guoxing Mao
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Xintong Cai
- College of Light Industry and Food Zhongkai University of Agriculture and Engineering Guangzhou 510225 China
| | - Charles Brennan
- Department of Wine Food and Molecular Biosciences Lincoln University Lincoln 7647 New Zealand
| | - Margaret A. Brennan
- Department of Wine Food and Molecular Biosciences Lincoln University Lincoln 7647 New Zealand
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20
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Cong S, Dong W, Zhao J, Hu R, Long Y, Chi X. Characterization of the Lipid Oxidation Process of Robusta Green Coffee Beans and Shelf Life Prediction during Accelerated Storage. Molecules 2020; 25:E1157. [PMID: 32150816 PMCID: PMC7179143 DOI: 10.3390/molecules25051157] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/22/2020] [Accepted: 02/23/2020] [Indexed: 12/18/2022] Open
Abstract
The lipid oxidation process of Robusta green coffee beans was characterized during accelerated storage for 20 days at 40 °C, 50 °C, and 60 °C. The conventional oxidation indexes and fatty acid compositions were evaluated, and the shelf life of the green coffee beans was predicted using the Arrhenius model. The acid value, iodine value, peroxide value, total oxidation value, thiobarbituric acid reactive substances, and free fatty acid content increased throughout storage, while the moisture content, p-anisidine value, and unsaturated fatty acid content decreased, which suggests that lipid oxidation occurred during accelerated storage. The predicted shelf life of green coffee bean samples were 57.39 days, 44.44 days, and 23.12 days when stored at 40 °C, 50 °C, and 60 °C, respectively. This study provided scientific evidence of the impact of lipid oxidation on the loss of quality during the accelerated storage of green coffee beans.
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Affiliation(s)
- Sha Cong
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China;
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China; (R.H.); (Y.L.)
| | - Wenjiang Dong
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China; (R.H.); (Y.L.)
| | - Jianping Zhao
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571700, China;
| | - Rongsuo Hu
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China; (R.H.); (Y.L.)
| | - Yuzhou Long
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China; (R.H.); (Y.L.)
| | - Xiaoxing Chi
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China;
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21
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Food matrix and the microbiome: considerations for preclinical chronic disease studies. Nutr Res 2020; 78:1-10. [PMID: 32247914 DOI: 10.1016/j.nutres.2020.02.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 02/05/2020] [Accepted: 02/25/2020] [Indexed: 01/05/2023]
Abstract
Animal models of chronic disease are continuously being refined and have evolved with the goal of increasing the translation of results to human populations. Examples of this progress include transgenic models and germ-free animals conventionalized with human microbiota. The gut microbiome is involved in the etiology of several chronic diseases. Therefore, consideration of the experimental conditions that may affect the gut microbiome in preclinical disease is very important. Of note, diet plays a large role in shaping the gut microbiome and can be a source of variation between animal models and human populations. Traditionally, nutrition researchers have focused on manipulating the macronutrient profile of experimental diets to model diseases such as metabolic syndrome. However, other dietary components found in human foods, but not in animal diets, can have sizable effects on the composition and metabolic capacity of the gut microbiome and, as a consequence, manifestation of the chronic disease being modeled. The purpose of this review is to describe how food matrix food components, including diverse fiber sources, oxidation products from cooking, and dietary fat emulsifiers, shape the composition of the gut microbiome and influence gut health.
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22
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Vallier MJ, Le Bourvellec C, Dangles O. Iron-induced peroxidation of trilinolein nano-emulsions under model gastric conditions and its inhibition by dietary phenolic antioxidants. Food Funct 2020; 11:9144-9156. [DOI: 10.1039/d0fo01767a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
An early mechanism for the health benefits of dietary plant phenols is their antioxidant activity during the initial phase of gastric digestion.
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Affiliation(s)
- Marie-José Vallier
- Avignon University
- INRAE
- UMR408
- Safety & Quality of Plant Products
- 84000 Avignon
| | | | - Olivier Dangles
- Avignon University
- INRAE
- UMR408
- Safety & Quality of Plant Products
- 84000 Avignon
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23
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Andean Prumnopitys Andina (Podocarpacae) Fruit Extracts: Characterization of Secondary Metabolites and Potential Cytoprotective Effect. Molecules 2019; 24:molecules24224028. [PMID: 31703314 PMCID: PMC6891447 DOI: 10.3390/molecules24224028] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 11/17/2022] Open
Abstract
The fruits from the Chilean Podocarpaceae Prumnopitys andina have been consumed since pre-Hispanic times. Little is known about the composition and biological properties of this fruit. The aim of this work was to identify the secondary metabolites of the edible part of P. andina fruits and to assess their antioxidant activity by means of chemical and cell-based assays. Methanol extracts from P. andina fruits were fractionated on a XAD7 resin and the main compounds were isolated by chromatographic means. Antioxidant activity was determined by means of 2,2-diphenyl-1-picrylhydrazyl radical (DPPH), ferric reducing power (FRAP), trolox equivalent antioxidant capacity (TEAC) and oxygen radical absorbance capacity (ORAC) assays. The cytoprotective activity of the extract against oxidative and dicarbonyl stress was evaluated in human gastric epithelial cells (AGS). The total intracellular antioxidant activity (TAA) of the extract was determined in AGS cells. The inhibition of meat lipoperoxidation was evaluated under simulated gastric digestion conditions. Rutin, caffeic acid β-glucoside and 20-hydroxyecdysone were identified as major components of the fruit extract. Additional compounds were identified by high-performance liquid chromatography diode-array detector mass spectrometry (HPLC-DAD-MSn) and/or co-injection with standards. Extracts showed dose-dependent cytoprotective effects against oxidative and dicarbonyl-induced damage in AGS cells. The TAA increased with the pre-incubation of AGS cells with the extract. This is the first report on the composition and biological activity of this Andean fruit.
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Shapira N. The Metabolic Concept of Meal Sequence vs. Satiety: Glycemic and Oxidative Responses with Reference to Inflammation Risk, Protective Principles and Mediterranean Diet. Nutrients 2019; 11:E2373. [PMID: 31590352 PMCID: PMC6835480 DOI: 10.3390/nu11102373] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/31/2019] [Accepted: 09/17/2019] [Indexed: 02/06/2023] Open
Abstract
With increasing exposure to eating opportunities and postprandial conditions becoming dominant states, acute effects of meals are garnering interest. In this narrative review, meal components, combinations and course sequence were questioned vis-à-vis resultant postprandial responses, including satiety, glycemic, oxidative and inflammatory risks/outcomes vs. protective principles, with reference to the Mediterranean diet. Representative scientific literature was reviewed and explained, and corresponding recommendations discussed and illustrated. Starting meals with foods, courses and/or preloads high in innate/added/incorporated water and/or fibre, followed by protein-based courses, delaying carbohydrates and fatty foods and minimizing highly-processed/sweetened hedonic foods, would increase satiety-per-calorie vs. obesogenic passive overconsumption. Similarly, starting with high-water/fibre dishes, followed by high-protein foods, oils/fats, and delayed/reduced slowly-digested whole/complex carbohydrate sources, optionally closing with simpler carbohydrates/sugars, would reduce glycaemic response. Likewise, starting with foods high in innate/added/incorporated water/fibre/antioxidants, high monounsaturated fatty acid foods/oils, light proteins and whole/complex carbohydrate foods, with foods/oils low in n-6 polyunsaturated fatty acids (PUFA) and n-6:n-3 PUFA ratios, and minimal-to-no red meat and highly/ultra-processed foods/lipids, would reduce oxidative/inflammatory response. Pyramids illustrating representative meal sequences, from most-to-least protective foods, visually communicate similarities between axes, suggesting potential unification for optimal meal sequence, consistent with anti-inflammatory nutrition and Mediterranean diet/meal principles, warranting application and outcome evaluation.
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Kanner J, Shpaizer A, Nelgas L, Tirosh O. S-Nitroso- N-acetylcysteine (NAC-SNO) as an Antioxidant in Cured Meat and Stomach Medium. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:10930-10936. [PMID: 31496247 DOI: 10.1021/acs.jafc.9b03741] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The stability of lipids in meat products depends on the initial concentration of hydroperoxides, the catalytic involvement of metal ions and myoglobin, endogenous antioxidants, and biological and technological factors. Ground meat was treated with additives, sealed in vacuum bags, heated to 75 °C, and stored opened to air at 4 °C. S-Nitroso-N-acetylcysteine (NAC-SNO) at concentration like nitrite used by the industry prevents lipid peroxidation in the product, even after storage for 1 month at 4 °C. The same simulated treatments at different concentrations of both compounds show that NAC-SNO acts as an antioxidant ∼4-fold better than nitrite at pH 6.2 or 3.0. Ascorbic acid significantly improves nitrite antioxidant effect. NAC-SNO was found to prevent, much better than nitrite, accumulation of reactive aldehydes and hydroxynonenal protein modification. In condition like those used by the industry for meat products processing, NAC-SNO acts better than nitrite to provide antioxidant protection without the side effect of N-nitrosation, oxidation, and the loss of nutrient generated by nitrite.
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Affiliation(s)
- Joseph Kanner
- Department of Food Science , ARO Volcani Center , Bet Dagan 50250 , Israel
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment , The Hebrew University of Jerusalem , Rehovot 76100 , Israel
| | - Adi Shpaizer
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment , The Hebrew University of Jerusalem , Rehovot 76100 , Israel
| | - Liron Nelgas
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment , The Hebrew University of Jerusalem , Rehovot 76100 , Israel
| | - Oren Tirosh
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture Food and Environment , The Hebrew University of Jerusalem , Rehovot 76100 , Israel
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SIRT1 Modulators in Experimentally Induced Liver Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8765954. [PMID: 31281594 PMCID: PMC6589266 DOI: 10.1155/2019/8765954] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/21/2019] [Accepted: 05/15/2019] [Indexed: 12/11/2022]
Abstract
This article is directed at highlighting the involvement of the endogenous stress sensor SIRT1 (silent information regulator T1) as a possible factor involved in hepatoprotection. The selective SIRT1 modulators whether activators (STACs) or inhibitors are being tried experimentally and clinically. We discuss the modulation of SIRT1 on cytoprotection or even cytotoxicity in the liver chemically injured by hepatotoxic agents in rats, to shed light on the crosstalk between SIRT1 and its modulators. A combination of D-galactosamine and lipopolysaccharide (D-GalN/LPS) downregulated SIRT1 expression, while SIRT1 activators, SRT1720, resveratrol, and quercetin, upregulated SIRT1 and alleviated D-GalN/LPS-induced acute hepatotoxicity. Liver injury markers exhibited an inverse relationship with SIRT1 expression. However, under subchronic hepatotoxicity, quercetin decreased the significant increase in SIRT1 expression to lower levels which are still higher than normal ones and mitigated the liver-damaging effects of carbon tetrachloride. Each of these STACs was hepatoprotective and returned the conventional antioxidant enzymes to the baseline. Polyphenols tend to fine-tune SIRT1 expression towards normal in the liver of intoxicated rats in both acute and subchronic studies. Together, all these events give an impression that the cytoprotective effects of SIRT1 are exhibited within a definite range of expression. The catalytic activity of SIRT1 is important in the hepatoprotective effects of polyphenols where SIRT1 inhibitors block and the allosteric SIRT1 activators mimic the hepatoprotective effects of polyphenols. Our findings indicate that the pharmacologic modulation of SIRT1 could represent both an important move in alleviating hepatic insults and a future major step in the treatment of xenobiotic-induced hepatotoxicity.
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27
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Provenza FD, Kronberg SL, Gregorini P. Is Grassfed Meat and Dairy Better for Human and Environmental Health? Front Nutr 2019; 6:26. [PMID: 30941351 PMCID: PMC6434678 DOI: 10.3389/fnut.2019.00026] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 02/22/2019] [Indexed: 01/29/2023] Open
Abstract
The health of livestock, humans, and environments is tied to plant diversity-and associated phytochemical richness-across landscapes. Health is enhanced when livestock forage on phytochemically rich landscapes, is reduced when livestock forage on simple mixture or monoculture pastures or consume high-grain rations in feedlots, and is greatly reduced for people who eat highly processed diets. Circumstantial evidence supports the hypothesis that phytochemical richness of herbivore diets enhances biochemical richness of meat and dairy, which is linked with human and environmental health. Among many roles they play in health, phytochemicals in herbivore diets protect meat and dairy from protein oxidation and lipid peroxidation that cause low-grade systemic inflammation implicated in heart disease and cancer in humans. Yet, epidemiological and ecological studies critical of red meat consumption do not discriminate among meats from livestock fed high-grain rations as opposed to livestock foraging on landscapes of increasing phytochemical richness. The global shift away from phytochemically and biochemically rich wholesome foods to highly processed diets enabled 2.1 billion people to become overweight or obese and increased the incidence of type II diabetes, heart disease, and cancer. Unimpeded, these trends will add to a projected substantial increase in greenhouse gas emissions (GHGE) from producing food and clearing land by 2050. While agriculture contributes one quarter of GHGE, livestock can play a sizable role in climate mitigation. Of 80 ways to alleviate climate change, regenerative agriculture-managed grazing, silvopasture, tree intercropping, conservation agriculture, and farmland restoration-jointly rank number one as ways to sequester GHG. Mitigating the impacts of people in the Anthropocene can be enabled through diet to improve human and environmental health, but that will require profound changes in society. People will have to learn we are members of nature's communities. What we do to them, we do to ourselves. Only by nurturing them can we nurture ourselves.
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Affiliation(s)
| | - Scott L. Kronberg
- Northern Great Plains Research Laboratory, Agricultural Research Service (USDA), Mandan, ND, United States
| | - Pablo Gregorini
- Department of Agricultural Science, Lincoln University, Christchurch, New Zealand
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Abd-Allah I, Abd-Allah I, Rabie M, Rabie M, Sulieman A, Sulieman A, Mostfa D, Mostfa D, El-Badawi A, El-Badawi A. Oxidative stability of edible oils via addition of pomegranate and orange peel extracts. FOODS AND RAW MATERIALS 2018. [DOI: 10.21603/2308-4057-2018-2-413-420] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The main objective of the present study was to improve the oxidative stability of sunflower oil (SFO) and soybean oil (SBO). The aqueous ethanol extracts (80% ethanol) of pomegranate and Baladi orange peels were used as natural antioxidants at concentrations of 800 and 1,200 ppm in SFO and SBO in comparison to butylated hydroxytoluene (BHT). Their antioxidant activities were estimated via the Rancimat method and over 24 days of storage at 65°C. The effect of extracts on the stability of sunflower and soybean oils during the storage period was studied by measuring the peroxide value (PV), conjugated dienes (CD) at 232 nm, conjugated trienes (CT) at 270 nm, free fatty acids (FFAs), iodine value (IV), and the refractive index (RI). A great difference in PVs was observed between the control sample and the oil samples containing natural extracts which slowed the rate of peroxide formation. Generally, the results showed that during the storage period at 65°C, the conjugated diene formation followed a similar pattern relative to PV accumulation. The PV, CD, CT, FFA, and RI values of SFO and SBO containing a pomegranate peel extract (PPE) and Baladi orange peel extract (BOPE) at concentrations of 800 and 1,200 ppm were lower than those of SFO and SBO containing 200 ppm BHT, and this trend became apparent during the storage period. The rate of reduction of IV in the control was higher than that in SFO and SBO containing both synthetic and natural antioxidants. These findings confirmed that the natural antioxidants under investigation could be used as alternatives to synthetic antioxidants to improve the oxidative stability of edible oils in the food industry.
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Affiliation(s)
| | | | - Mohamed Rabie
- Department of Food Science, Faculty of Agriculture, Zagazig University
| | - Mohamed Rabie
- Department of Food Science, Faculty of Agriculture, Zagazig University
| | | | | | | | | | - Ahmed El-Badawi
- Department of Food Science, Faculty of Agriculture, Zagazig University
| | - Ahmed El-Badawi
- Department of Food Science, Faculty of Agriculture, Zagazig University
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Iron-catalysed chemistry in the gastrointestinal tract: Mechanisms, kinetics and consequences. A review. Food Chem 2018; 268:27-39. [DOI: 10.1016/j.foodchem.2018.06.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 05/28/2018] [Accepted: 06/04/2018] [Indexed: 12/13/2022]
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Use of Red Wine Polyphenols as a Natural Preservative in Health-Promoting Omega-3 Fatty Acids-Enriched Lamb Patties. Molecules 2018; 23:molecules23123080. [PMID: 30477275 PMCID: PMC6321312 DOI: 10.3390/molecules23123080] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/22/2018] [Accepted: 11/23/2018] [Indexed: 02/07/2023] Open
Abstract
Meat consumption has been related to a higher risk of heart disease due to its saturated fat content. As a consequence, there has been a growth in research on how to increase unsaturated fat content in meat. However, a high content of unsaturated fat favours the development of oxidative processes. The aim of the study was to evaluate the effectiveness of a red wine extract (RWE) rich in polyphenols (50, 100, and 200 mg gallic acid equivalents/kg meat) as a natural antioxidant in lamb meat patties enriched with omega-3 polyunsaturated fatty acids (n-3 PUFA) (100 mg n-3 PUFA/100 g meat), compared to using -tocopherol (TOC) (100 mg/kg meat). Adding RWE delayed metmyoglobin formation, lipid oxidation and loss of n-3 PUFA relative to controls, while TOC had no effect on preventing meat oxidation. Lamb odour was lower (p < 0.01) and odd odour higher (p < 0.001) in patties at the highest dose of RWE, compared to controls, but the overall liking score was not affected. The results suggest that RWE could be used as a natural antioxidant in the meat industry, even when n-3 PUFA content is high.
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Liu H, Wu H, Wang Q. The Variations, Including Structures and Attenuation to Hemolysis, of Peptide Purified from Dendrobium aphyllum During In Vitro Gastro-Intestinal Digestion and Caco-2 Uptake and Transportation. Int J Pept Res Ther 2018. [DOI: 10.1007/s10989-018-9778-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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32
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Ma L, Liu G, Liu X. Amounts of malondialdehyde do not accurately represent the real oxidative level of all vegetable oils: a kinetic study of malondialdehyde formation. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.13952] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Lukai Ma
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 China
| | - Guoqin Liu
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety; South China University of Technology; Guangzhou 510640 China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health; Beijing Technology and Business University; Beijing 100048 China
- School of Food and Chemical Engineering; Beijing Technology and Business University; Beijing 100048 China
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The Consumption of Beef Burgers Prepared with Wine Grape Pomace Flour Improves Fasting Glucose, Plasma Antioxidant Levels, and Oxidative Damage Markers in Humans: A Controlled Trial. Nutrients 2018; 10:nu10101388. [PMID: 30275350 PMCID: PMC6213438 DOI: 10.3390/nu10101388] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 09/14/2018] [Accepted: 09/25/2018] [Indexed: 12/12/2022] Open
Abstract
Wine grape pomace flour (WGPF) is a fruit byproduct that is high in fiber and antioxidants. We tested whether WGPF consumption could affect blood biochemical parameters, including oxidative stress biomarkers. In a three-month intervention study, 27 male volunteers, each with some components of metabolic syndrome, consumed a beef burger supplemented with 7% WGPF containing 3.5% of fiber and 1.2 mg gallic equivalents (GE)/g of polyphenols (WGPF-burger), daily, during the first month. The volunteers consumed no burgers in the second month, and one control-burger daily in the third month. At baseline and after these periods, we evaluated the metabolic syndrome components, plasma antioxidant status (i.e., 2,2-diphenyl-1-picrylhydrazyl radical scavenging capacity (DPPH), vitamin E, vitamin C), and oxidative damage markers (i.e., advanced oxidation protein products (AOPPs), oxidized low-density lipoproteins (oxLDLs), malondialdehyde (MDA)). The WGPF-burger intake significantly reduced glycemia and homeostatic model assessment-based measurement of insulin resistance. Vitamin C increased and decreased during the consumption of the WGPF-burger and control-burger, respectively. The WGPF-burger intake significantly decreased AOPP and oxLDL levels. Vitamin E and MDA levels showed no significant changes. In conclusion, the consumption of beef burgers prepared with WGPF improved fasting glucose and insulin resistance, plasma antioxidant levels, and oxidative damage markers. Therefore, this functional ingredient has potential as a dietary supplement to manage chronic disease risk in humans.
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Al-basher G, Al-otibi F. Biological Activity of Olive Leaf Extract and Regulation of Tissue Transglutaminase Expression in Diabetic Wound Healing. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.963.972] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Oliveira A, Amaro AL, Pintado M. Impact of food matrix components on nutritional and functional properties of fruit-based products. Curr Opin Food Sci 2018. [DOI: 10.1016/j.cofs.2018.04.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Dietary compounds have potential in controlling atherosclerosis by modulating macrophage cholesterol metabolism and inflammation via miRNA. NPJ Sci Food 2018; 2:13. [PMID: 31304263 PMCID: PMC6550192 DOI: 10.1038/s41538-018-0022-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 06/12/2018] [Accepted: 06/28/2018] [Indexed: 12/17/2022] Open
Abstract
Atherosclerosis (AS) is a typical example of a widespread fatal cardiovascular disease. Accumulation of cholesterol-laden macrophages in the artery wall forms the starting point of AS. Increased influx of oxidized low-density lipoprotein to macrophages and decreased efflux of free cholesterol out of macrophages constitute major factors promoting the development of AS. Inflammation further aggravates the development of AS along or via interaction with the cholesterol metabolism. Many microRNAs (miRNAs) are related to the regulation of macrophage in AS in aspects of cholesterol metabolism and inflammation signaling. Dietary compounds perform AS inhibitory effects via miRNAs in the cholesterol metabolism (miR-19b, miR-378, miR-10b, miR-33a, and miR-33b) and two miRNAs in the inflammation signaling (miR-155 and miR-146a). The targeted miRNAs in the cholesterol metabolism vary greatly among different food compounds; however, in inflammation signaling, most food compounds target miR-155. Many receptors are involved in macrophages via miRNAs, including ABCA1 and ABCG1 as major receptors in the cholesterol metabolism, while nuclear factor-κB (NF-κB) and Nrf2 signaling and PI3K/AKT signaling pathways are targeted during inflammation. This article reviews current literature to investigate possible AS therapy with dietary compounds via targeting miRNAs. Currently existing problems were also discussed to guide further studies.
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Ma L, Liu G. Simultaneous Analysis of Malondialdehyde, 4-Hydroxy-2-hexenal, and 4-Hydroxy-2-nonenal in Vegetable Oil by Reversed-Phase High-Performance Liquid Chromatography. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:11320-11328. [PMID: 29179555 DOI: 10.1021/acs.jafc.7b04566] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A group of toxic aldehydes such as, malondialdehyde (MDA), 4-hydroxy-2-hexenal (HHE), and 4-hydroxy-2-nonenal (HNE) have been found in various vegetable oils and oil-based foods. Then simultaneous determination of them holds a great need in both the oil chemistry field and food field. In the present study, a simple and efficient analytical method was successfully developed for the simultaneous separation and detection of MDA, HHE, and HNE in vegetable oils by reversed-phase-high-performance liquid chromatography (RP-HPLC) coupled with photodiode array detector (PAD) at dual-channel detection mode. The effect of various experimental factors on the extraction performance, such as coextraction solvent system, butylated hydroxytoluene addition, and trichloroacetic acid addition were systematically investigated. Results showed that the linear ranges were 0.02-10.00 μg/mL for MDA, 0.02-4.00 μg/mL for HHE, and 0.03-4.00 μg/mL for HNE with the satisfactory correlation coefficient of >0.999 for all detected aldehydes. The limit of detection (LOD) and limit of quantification (LOQ) of MDA, HHE, and HNE were ∼0.021and 0.020 μg/mL, ∼0.009 and 0.020 μg/mL, and ∼0.014 and 0.030 μg/mL, respectively. Their recoveries were 99.64-102.18%, 102.34-104.61%, and 98.87-103.04% for rapeseed oil and 96.38-98.05%, 96.19-101.34%, and 96.86-99.04% for French fries, separately. Under the selected conditions, the developed methods was successfully applied to the simultaneous determination of MDA, HHE, and HNE in different tested vegetable oils. The results indicated that this method could be employed for the quality assessment of vegetable oils.
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Affiliation(s)
- Lukai Ma
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
| | - Guoqin Liu
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology , Guangzhou 510640, China
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Musa I, Khaza’ai H, Abdul Mutalib MS, Yusuf F, Sanusi J, Chang SK. Effects of oil palm tocotrienol rich fraction on the viability and morphology of astrocytes injured with glutamate. FOOD BIOSCI 2017. [DOI: 10.1016/j.fbio.2017.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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39
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Cytoprotective Mechanisms Mediated by Polyphenols from Chilean Native Berries against Free Radical-Induced Damage on AGS Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:9808520. [PMID: 28553436 PMCID: PMC5434242 DOI: 10.1155/2017/9808520] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 03/01/2017] [Accepted: 03/16/2017] [Indexed: 01/06/2023]
Abstract
The prevalence of cytoprotective mechanisms induced by polyphenols such as activation of intracellular antioxidant responses (ICM) and direct free radical scavenging was investigated in native Chilean species of strawberries, raspberries, and currants. Human gastric epithelial cells were co- and preincubated with polyphenolic-enriched extracts (PEEs) from Chilean raspberries (Rubus geoides), strawberries (Fragaria chiloensis ssp. chiloensis f. chiloensis), and currants (Ribes magellanicum) and challenged with peroxyl and hydroxyl radicals. Cellular protection was determined in terms of cell viability, glyoxalase I and glutathione s-transferases activities, and carboxymethyl lysine (CML) and malondialdehyde levels. Our results indicate that cytoprotection induced by ICM was the prevalent mechanism for Rubus geoides and F. chiloensis. This agreed with increased levels of glyoxalase I and glutathione S-transferase activities in cells preincubated with PEEs. ORAC index indicated that F. chiloensis was the most efficient peroxyl radical scavenger. Moreover, ICM mediated by F. chiloensis was effective in protecting cells from CML accumulation in contrast to the protective effects induced by free radical scavenging. Our results indicate that although both polyphenol-mediated mechanisms can exert protective effects, ICM was the most prevalent in AGS cells. These results suggest a potential use of these native berries as functional food.
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Redox homeostasis in stomach medium by foods: The Postprandial Oxidative Stress Index (POSI) for balancing nutrition and human health. Redox Biol 2017; 12:929-936. [PMID: 28478382 PMCID: PMC5426031 DOI: 10.1016/j.redox.2017.04.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 04/16/2017] [Accepted: 04/23/2017] [Indexed: 12/20/2022] Open
Abstract
Red-meat lipid peroxidation in the stomach results in postprandial oxidative stress (POS) which is characterized by the generation of a variety of reactive cytotoxic aldehydes including malondialdehyde (MDA). MDA is absorbed in the blood system reacts with cell proteins to form adducts resulting in advanced lipid peroxidation end products (ALEs), producing dysfunctional proteins and cellular responses. The pathological consequences of ALEs tissue damage include inflammation and increased risk for many chronic diseases that are associated with a Western-type diet. In earlier studies we used the simulated gastric fluid (SGF) condition to show that the in vitro generation of MDA from red meat closely resembles that in human blood after consumption the same amount of meat. In vivo and in vitro MDA generations were similarly suppressed by polyphenol-rich beverages (red wine and coffee) consumed with the meal. The present study uses the in vitro SGF to assess the capacity of more than 50 foods of plant origin to suppress red meat peroxidation and formation of MDA. The results were calculated as reducing POS index (rPOSI) which represents the capacity in percent of 100 g of the food used to inhibit lipid peroxidation of 200 g red-meat a POSI enhancer (ePOSI). The index permitted to extrapolate the need of rPOSI from a food alone or in ensemble such Greek salad, to neutralize an ePOSI in stomach medium, (ePOS–rPOSI=0). The correlation between the rPOSI and polyphenols in the tested foods was R2=0.75. The Index was validated by comparison of the predicted rPOSI for a portion of Greek salad or red-wine to real inhibition of POS enhancers. The POS Index permit to better balancing nutrition for human health. Absorption of diet MDA and ALEs in blood could induce risk factors for CVD and other diseases. Red-meat generated MDA and ALEs in SGF are defined as ePOSI. Reducing agents present in plant foods, reduced MDA and ALEs in SGF, are defined as rPOSI. Calculated plant reducing agents by rPOSI was found to highly predict the reducing of ePOSI. The POS index would help to quantify nutrition for promoting human health.
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Demeyer D, Mertens B, De Smet S, Ulens M. Mechanisms Linking Colorectal Cancer to the Consumption of (Processed) Red Meat: A Review. Crit Rev Food Sci Nutr 2017; 56:2747-66. [PMID: 25975275 DOI: 10.1080/10408398.2013.873886] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Colorectal cancer (CRC) is the third most commonly diagnosed cancer in the world. The vast majority of CRC cases have been linked to environmental causes rather than to heritable genetic changes. Over the last decades, epidemiological evidence linking the consumption of red and, more convincingly, of processed red meat to CRC has accumulated. In parallel, hypotheses on carcinogenic mechanisms underlying an association between CRC and the intake of red and processed red meat have been proposed and investigated in biological studies. The hypotheses that have received most attention until now include (1) the presence of polycyclic aromatic hydrocarbons and heterocyclic aromatic amines, two groups of compounds recognized as carcinogenic, (2) the enhancing effect of (nitrosyl)heme on the formation of carcinogenic N-nitroso compounds and lipid peroxidation. However, none of these hypotheses completely explains the link between red and processed red meat intake and the CRC risk. Consequently, scientists have proposed additional mechanisms or refined their hypotheses. This review first briefly summarizes the development of CRC followed by an in-depth overview and critical discussion of the different potential carcinogenic mechanisms underlying the increased CRC risk associated with the consumption of red and processed red meat.
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Affiliation(s)
- Daniel Demeyer
- a Superior Health Council , Brussels , Belgium.,b Laboratory for Animal Nutrition and Animal Product Quality , Faculty of Bioscience Engineering, Ghent University , Melle , Belgium
| | - Birgit Mertens
- a Superior Health Council , Brussels , Belgium.,c Program Toxicology, Department of Food , Medicines and Consumer Safety, Scientific Institute of Public Health (Site Elsene) , Brussels , Belgium
| | - Stefaan De Smet
- a Superior Health Council , Brussels , Belgium.,b Laboratory for Animal Nutrition and Animal Product Quality , Faculty of Bioscience Engineering, Ghent University , Melle , Belgium
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Van Hecke T, Van Camp J, De Smet S. Oxidation During Digestion of Meat: Interactions with the Diet andHelicobacter pyloriGastritis, and Implications on Human Health. Compr Rev Food Sci Food Saf 2017; 16:214-233. [DOI: 10.1111/1541-4337.12248] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 11/29/2016] [Accepted: 11/30/2016] [Indexed: 12/23/2022]
Affiliation(s)
- Thomas Van Hecke
- the Laboratory for Animal Nutrition and Animal Product Quality; Ghent Univ.; Ghent Belgium
| | - John Van Camp
- the Unit of Food Chemistry and Human Nutrition; Ghent Univ.; Ghent Belgium
| | - Stefaan De Smet
- the Laboratory for Animal Nutrition and Animal Product Quality; Ghent Univ.; Ghent Belgium
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A Chilean Berry Concentrate Protects against Postprandial Oxidative Stress and Increases Plasma Antioxidant Activity in Healthy Humans. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:8361493. [PMID: 28243359 PMCID: PMC5294375 DOI: 10.1155/2017/8361493] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 11/05/2016] [Accepted: 11/23/2016] [Indexed: 11/17/2022]
Abstract
This study formulated and characterized an antioxidant-rich concentrate of berries (BPC-350) produced in Chile, which was used to perform a crossover study aimed at determining the effect of the berries on the modulation of plasma postprandial oxidative stress and antioxidant status. Healthy male volunteers (N = 11) were randomly assigned to three experimental meals: (1) 250 g of ground turkey burger (GTB) + 500 mL of water; (2) 250 g of GTB + 500 mL of 5% BPC-350; (3) 250 g of GTB prepared with 6% BPC-350 + 500 mL of 5% BPC-350. Venous blood samples were collected prior to meal intake and every hour for six hours after intake. Malondialdehyde (MDA), carbonyls in proteins, and DPPH (2,2-diphenyl-1-picrylhydrazyl) antioxidant capacity were quantified in plasma. Significant differences indicated that BPC-350 decreases MDA plasma concentration and protein carbonyls (p < 0.05). Additionally, a significant increase in the DPPH antioxidant capacity was observed in Meals 2 and 3 when compared to Meal 1 (p < 0.05). The results are discussed in terms of oxidative reactions that occur during digestion at the stomach level and the important effect of oxidative reactions that occur during the thermal processing of red meat.
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Achat S, Rakotomanomana N, Madani K, Dangles O. Antioxidant activity of olive phenols and other dietary phenols in model gastric conditions: Scavenging of the free radical DPPH and inhibition of the haem-induced peroxidation of linoleic acid. Food Chem 2016; 213:135-142. [DOI: 10.1016/j.foodchem.2016.06.076] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 05/22/2016] [Accepted: 06/22/2016] [Indexed: 12/15/2022]
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Manivannan A, Bhardwaj R, Padmanabhan S, Suneja P, Hebbar KB, Kanade SR. Biochemical and nutritional characterization of coconut (Cocos nucifera L.) haustorium. Food Chem 2016; 238:153-159. [PMID: 28867086 DOI: 10.1016/j.foodchem.2016.10.127] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 10/24/2016] [Accepted: 10/27/2016] [Indexed: 12/19/2022]
Abstract
Study was conducted to determine the biochemical constituents in coconut (Cocos nucifera L.) haustorium, a spongy tissue formed during coconut germination. Results indicated that 100g of dried coconut haustorium contained 1.05±0.2% ash, 44.2±4.6% soluble sugar, 24.5±3.2% starch, 5.50±0.3% protein, 1.99±0.9% fat, 5.72±0.4% soluble dietary fibre, 20.3±1.9% insoluble dietary fibre, and 146±14.3mg phenolics. Mineral profiling showed that it contained 145±8.6, 104±9.6, 33.9±8.2, 30.9±1.9, 9.45±2.1, 0.292±0.1, 2.53±0.2 and 1.20±0.1mg of K, Mg, Ca, P, Mn, Cu, Fe and Zn, respectively. Antioxidant activity assay indicated that 100g haustorium was equivalent to 1918±173, 170±20.4, 72.8±14.7 and 860±116mg of Trolox as measured by CUPRAC, FRAP, DPPH and ABTS, respectively. Amino acid score indicated that methionine+cysteine (57.6%), phenylalanine+tyrosine (32.6%), leucine (45.7%) and isoleucine (68%) are found less in haustorium. Further studies needed in developing nutritionally balanced formulations using coconut haustorium, which will be useful for lactose intolerant children.
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Affiliation(s)
- Arivalagan Manivannan
- Physiology, Biochemistry and Post Harvest Technology Division, ICAR-Central Plantation Crops Research Institute (CPCRI), Kasaragod 671 124, Kerala, India.
| | - Rakesh Bhardwaj
- Germplasm Evaluation Division, ICAR-National Bureau of Plant Genetic Resources (NBPGR), New Delhi 110012, India
| | - Sugatha Padmanabhan
- Physiology, Biochemistry and Post Harvest Technology Division, ICAR-Central Plantation Crops Research Institute (CPCRI), Kasaragod 671 124, Kerala, India
| | - Poonam Suneja
- Germplasm Evaluation Division, ICAR-National Bureau of Plant Genetic Resources (NBPGR), New Delhi 110012, India
| | - K B Hebbar
- Physiology, Biochemistry and Post Harvest Technology Division, ICAR-Central Plantation Crops Research Institute (CPCRI), Kasaragod 671 124, Kerala, India
| | - Santosh R Kanade
- Department of Biochemistry & Molecular Biology, Central University of Kerala, Padannakad, (Transit Campus) 671 314, Kerala, India.
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Gažarová M, Chlebová Z, Predná L, Chlebo P, Habánová M. The changes in biochemical parameters due to wine consumption depending on gender. POTRAVINARSTVO 2016. [DOI: 10.5219/634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The aim of this study was to investigate the effect of red wine consumption on the lipid profile and glucose in the group of male (13 men aged 34 - 64 years) and the group of female (11 women aged 28 - 57 years). Research consisted of moderate red wine consumption for 6 weeks. The dose of alcohol ranged from 200 to 300 mL per day of red wine Lemberger (Winery Masaryk, Slovakia). The blood samples were obtained after overnight fasting and were collected at baseline and after three days, three weeks and six weeks of wine consumption. Differences between male and female subjects were reflected in the results of different biochemical parameters in the dynamics of wine consumption. We found out that while in females the total cholesterol level did not change significantly and had a predominantly downward trend, for male subjects we observed at the beginning the slight increase of the levels, which, however, after 6 weeks of consumption significantly decreased from an initial value of 5.75 ±1.32 mmol.L-1 to 5.35 ±1.25 mmol.L-1 (p <0.05). The blood concentration of triglycerides in the dynamics of the experiment did not change significantly in either one gender, although small differences were observed, because while the female subjects had triglyceride development over consumption upward trend in male subjects it was vice versa. LDL-cholesterol changed significantly only in the group of female. Level of this lipid parameter decreased significantly during the six weeks of consumption of Lemberger from an initial value 3.37 ±0.68 mmol.L-1 to the lowest 2.99 ±0.61 mmol.L-1, which was recorded in the third week of consumption (p <0.0001), but statistically significant differences versus baseline we monitored after three days and six weeks of consumption (p <0.01). In the group of male, we did not observe such significant changes, but it should be noted, that the men had changes in LDL-cholesterol downward direction and all the values were in the range of benchmarks. In the group of female, HDL-cholesterol increased to 2.05 ±0.6 mmol.L-1 after six weeks of consumption from baseline of 1.7 ±0.69 mmol.L-1, and the difference was statistically significant (p <0.05), in the group of male, its level changed first significantly after three days of consumption of steep increase (1.46 ±0.61 mmol.L-1, p <0.05), and for the next six weeks, it was the significantly increase (1.59 ±0.5 mmol.L-1, p <0.01). The glucose concentration did not change significantly in the dynamics of wine consumption among men and women, and all the values were between the limits of the standard.
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Chong YM, Chang SK, Sia WCM, Yim HS. Antioxidant efficacy of mangosteen (Garcinia mangostana Linn.) peel extracts in sunflower oil during accelerated storage. FOOD BIOSCI 2015. [DOI: 10.1016/j.fbio.2015.07.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Urquiaga I, D'Acuña S, Pérez D, Dicenta S, Echeverría G, Rigotti A, Leighton F. Wine grape pomace flour improves blood pressure, fasting glucose and protein damage in humans: a randomized controlled trial. Biol Res 2015; 48:49. [PMID: 26337448 PMCID: PMC4560073 DOI: 10.1186/s40659-015-0040-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 08/26/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The Mediterranean diet is a healthy diet with positive scientific evidence of preventing chronic diseases. Bioactive components support the healthy properties of the Mediterranean diet. Antioxidants and fiber, two components of the Mediterranean diet, are key functional nutrients for healthy eating and nutrition. Wine grape pomace is a rich source of these dietary constituents and may be beneficial for human health. Our hypothesis was that the intake of red wine grape pomace flour (WGPF) prepared from red wine grapes (Cabernet Sauvignon variety) reduced the metabolic syndrome in humans. To evaluate the effect of WGPF on components of metabolic syndrome we design a 16-week longitudinal intervention study. Thirty-eight males, 30-65 years of age, with at least one component of metabolic syndrome, were randomly assigned to either the intervention group (n = 25) or the control group (n = 13). At lunch, the intervention group was given 20 g of WGPF per day, which contained 10 g of dietary fiber, 822 mg of polyphenols and an antioxidant capacity of 7258 ORAC units. Both groups were asked to maintain their regular eating habits and lifestyles. Clinical evaluation, anthropometric measurements and biochemical blood analyses were done at the beginning and the end of the study. RESULTS WGPF intake significantly decreased systolic and diastolic blood pressure as well as fasting glucose levels. Plasma γ-tocopherol and δ-tocopherol increased and carbonyl group in plasma protein decreased in WGPT group, significantly. No significant effect was observed for waist circumference, HDL cholesterol, triglycerides, total antioxidant capacity and vitamin C in and between groups. The group-dependent magnitude of the differences between the baseline and final postprandial insulin values and γ-tocopherol concentrations was statistically significant. CONCLUSIONS The consumption of WGPF-rich in fiber and polyphenol antioxidants, as a food supplement in a regular diet improves blood pressure, glycaemia and postprandial insulin. In addition, increased antioxidant defenses and decreased oxidative protein damage indicating attenuation of oxidative stress. WGPF might be a useful food ingredient for health promotion and chronic disease prevention.
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Affiliation(s)
- Inés Urquiaga
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
| | - Sonia D'Acuña
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
| | - Druso Pérez
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
| | - Sara Dicenta
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
| | - Guadalupe Echeverría
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
| | - Attilio Rigotti
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
- Departamento de Nutrición, Diabetes y Metabolismo, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Federico Leighton
- Centro de Nutrición Molecular y Enfermedades Crónicas, Facultad de Medicina, Pontificia Universidad Católica de Chile, Avenida del Libertador Bernardo O'Higgins 340, Santiago, Chile.
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Tirosh O, Shpaizer A, Kanner J. Lipid Peroxidation in a Stomach Medium Is Affected by Dietary Oils (Olive/Fish) and Antioxidants: The Mediterranean versus Western Diet. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7016-7023. [PMID: 26165509 DOI: 10.1021/acs.jafc.5b02149] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Red meat is an integral part of the Western diet, and high consumption is associated with an increased risk of chronic diseases. Using a system that simulated the human stomach, red meat was interacted with different oils (olive/fish) and lipid peroxidation was determined by measuring accumulation of malondialdehyde (MDA) and lipid peroxides (LOOH). Olive oil decreased meat lipid peroxidation from 121.7 ± 3.1 to 48.2 ± 1.3 μM and from 327.1 ± 9.5 to 77.3 ± 6.0 μM as assessed by MDA and ROOH, respectively. The inhibitory effect of olive oil was attributed to oleic acid rather than its polyphenol content. In contrast, fish oils from tuna or an ω-3 supplement dramatically increased meat lipid peroxidation from 96.2 ± 3.6 to 514.2 ± 6.7 μM MDA. Vitamin E inhibited meat lipid peroxidation in the presence of olive oil but paradoxically increased peroxidation in the presence of fish oil. The inhibitory properties of oleic acid may play a key role in the health benefits of the Mediterranean diet.
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Affiliation(s)
- Oren Tirosh
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University, Rehovot 76100, Israel
| | - Adi Shpaizer
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University, Rehovot 76100, Israel
| | - Joseph Kanner
- Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University, Rehovot 76100, Israel
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Sottero B, Gargiulo S, Russo I, Barale C, Poli G, Cavalot F. Postprandial Dysmetabolism and Oxidative Stress in Type 2 Diabetes: Pathogenetic Mechanisms and Therapeutic Strategies. Med Res Rev 2015; 35:968-1031. [PMID: 25943420 DOI: 10.1002/med.21349] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Postprandial dysmetabolism in type 2 diabetes (T2D) is known to impact the progression and evolution of this complex disease process. However, the underlying pathogenetic mechanisms still require full elucidation to provide guidance for disease prevention and treatment. This review focuses on the marked redox changes and inflammatory stimuli provoked by the spike in blood glucose and lipids in T2D individuals after meals. All the causes of exacerbated postprandial oxidative stress in T2D were analyzed, also considering the consequence of enhanced inflammation on vascular damage. Based on this in-depth analysis, current strategies of prevention and pharmacologic management of T2D were critically reexamined with particular emphasis on their potential redox-related rationale.
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Affiliation(s)
- Barbara Sottero
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
| | - Simona Gargiulo
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
| | - Isabella Russo
- Internal Medicine and Metabolic Disease Unit, Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
| | - Cristina Barale
- Internal Medicine and Metabolic Disease Unit, Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
| | - Giuseppe Poli
- Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
| | - Franco Cavalot
- Internal Medicine and Metabolic Disease Unit, Department of Clinical and Biological Sciences, University of Turin, San Luigi Gonzaga Hospital, Orbassano, Turin, 10043, Italy
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