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Kolayli S, Can Z, Kara Y, Ozkok A, Ozmert Ergin S, Kemal M, Demir Kanbur E. Physicochemical Characteristics, Phenolic Components, and Antioxidant Capacities of Lavender Honey (Lavandula Spp.) from Isparta Region of Türkiye. Chem Biodivers 2024:e202400718. [PMID: 38843376 DOI: 10.1002/cbdv.202400718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 06/04/2024] [Indexed: 08/27/2024]
Abstract
Lavender honey is one of the most desirable blossom honeys for its unique taste and aromatic qualities and can vary significantly from one region to another. In this study, melissopalynological, physicochemical and antioxidant properties of lavender honey from the Isparta region of Türkiye were investigated. The ration of the Lavandula spp. pollen were identified ranging from 9 % to 76 % in the thirteen samples. The average pH, conductivity, moisture, Hunter Lab* and proline values were 3.72, 0.22 mS/cm, 17.17 %, L*: 66.56, a*: 66.32, b*:18.41 and 576.92 mg/kg, respectively. The average F+G and F/G were 67.66 % and 1.02, respectively. The average of total phenolic (TP) and flavonoid (TF) substance were found to be 39.40 mg GAE/100 g and 3.23 mg QUE/100 g, respectively. The average total antioxidant capacity (FRAP) and DPPH radical scavenging activity values were found to be 178.28 μmol FeSO4 ⋅ 7H2O/100 g and 53.09 mg/mL, respectively. In the phenolic component analysis performed with HPLC-PDA, p-OH-benzoic acid, p-coumaric acid, chrysin and pinocembrin were detected as common polyphenols in the samples. Conclusively, despite considerable variability in their monofloral characteristics, no significant differences were observed in the physicochemical and antioxidant properties of lavender honeys.
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Affiliation(s)
- Sevgi Kolayli
- Department of Chemistry, Karadeniz Technical University, Faculty of Science, Trabzon, Türkiye
| | - Zehra Can
- Department of Emergency Aid and Disaster Management, Faculty of Applied Sciences, Bayburt University, Bayburt, Türkiye
| | - Yakup Kara
- Department of Chemistry, Karadeniz Technical University, Faculty of Science, Trabzon, Türkiye
| | - Aslı Ozkok
- Bee Products Research and Application Center (HARUM), Hacettepe University, Beytepe, Ankara, Türkiye
| | - Sema Ozmert Ergin
- Department of Nutrition and Dietetics, Mehmet Akif Ersoy University, Faculty of Health Sciences, Burdur, Türkiye
| | - Mehmet Kemal
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Artvin Coruh University, Artvin, Türkiye
| | - Esra Demir Kanbur
- Central Research Laboratory, Recep Tayyip Erdogan University, Rize, Türkiye
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Picerno P, Crascì L, Iannece P, Esposito T, Franceschelli S, Pecoraro M, Giannone V, Panico AM, Aquino RP, Lauro MR. A Green Bioactive By-Product Almond Skin Functional Extract for Developing Nutraceutical Formulations with Potential Antimetabolic Activity. Molecules 2023; 28:7913. [PMID: 38067642 PMCID: PMC10708410 DOI: 10.3390/molecules28237913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
(1) Background: almond peels are rich in polyphenols such as catechin and epicatechin, which are important anti-free-radical agents, anti-inflammatory compounds, and capable of breaking down cholesterol plaques. This work aims to evaluate the biological and technological activity of a "green" dry aqueous extract from Sicilian almond peels, a waste product of the food industry, and to develop healthy nutraceuticals with natural ingredients. Eudraguard® Natural is a natural coating polymer chosen to develop atomized formulations that improve the technological properties of the extract. (2) Methods: the antioxidant and free radical scavenger activity of the extract was rated using different methods (DPPH assay, ABTS, ORAC, NO). The metalloproteinases of the extracts (MMP-2 and MMP-9), the enhanced inhibition of the final glycation products, and the effects of the compounds on cell viability were also tested. All pure materials and formulations were characterized using UV, HPLC, FTIR, DSC, and SEM methods. (3) Results: almond peel extract showed appreciable antioxidant and free radical activity with a stronger NO inhibition effect, strong activity on MMP-2, and good antiglycative effects. In light of this, a food supplement with added health value was formulated. Eudraguard® Natural acted as a swelling substrate by improving extract solubility and dissolution/release (4) Conclusions: almond peel extract has significant antioxidant activity and MMP/AGE inhibition effects, resulting in an optimal candidate to formulate safe microsystems with potential antimetabolic activity. Eudraguard® Natural is capable of obtaining spray-dried microsystems with an improvement in the extract's biological and technological characteristics. It also protects the dry extract from degradation and oxidation, prolonging the shelf life of the final product.
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Affiliation(s)
- Patrizia Picerno
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
| | - Lucia Crascì
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria, 95100 Catania, Italy; (L.C.); (A.M.P.)
| | - Patrizia Iannece
- Department of Chemistry and Biology, University of Salerno, Via G. Paolo II 132, 84100 Fisciano, Italy;
| | - Tiziana Esposito
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
- Unesco Chair Salerno, Plantae Medicinales Mediterraneae, University of Salerno, 84084 Fisciano, Italy
| | - Silvia Franceschelli
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
| | - Michela Pecoraro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
| | - Virgilio Giannone
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle Scienze Ed.4, 90128 Palermo, Italy;
| | - Anna Maria Panico
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria, 95100 Catania, Italy; (L.C.); (A.M.P.)
| | - Rita Patrizia Aquino
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
- Unesco Chair Salerno, Plantae Medicinales Mediterraneae, University of Salerno, 84084 Fisciano, Italy
| | - Maria Rosaria Lauro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy; (P.P.); (T.E.); (S.F.); (M.P.); (R.P.A.)
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Balázs VL, Nagy-Radványi L, Bencsik-Kerekes E, Koloh R, Szabó D, Kocsis B, Kocsis M, Farkas Á. Antibacterial and Antibiofilm Effect of Unifloral Honeys against Bacteria Isolated from Chronic Wound Infections. Microorganisms 2023; 11:microorganisms11020509. [PMID: 36838474 PMCID: PMC9958606 DOI: 10.3390/microorganisms11020509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/10/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023] Open
Abstract
Honey is known as an alternative remedy for the treatment of wounds. To evaluate the potential of five Hungarian honey types against wound-associated bacteria, in vitro microbiological assays were conducted on Pseudomonas aeruginosa, Staphylococcus epidermidis and methicillin-resistant Staphylococcus aureus (MRSA). Minimum inhibitory concentration (MIC) was determined with the broth macrodilution method, and biofilm degradation capacity was tested with a crystal violet assay. To understand the underlying mechanisms, the effects of honey treatments were assessed on bacterial membrane integrity and quorum sensing (QS). The highest antibacterial activity, indicated by the lowest MIC values, as well as the highest biofilm inhibition rates and membrane disruption, was displayed by chestnut and linden honeys. The most sensitive bacterium was S. epidermidis. Bacterial membrane degradation took place 40 min after treatment with honey solutions of at least a 40% concentration. Each honey sample exhibited anti-QS activity, which was most pronounced in the case of chestnut honey. It was concluded that the antibacterial, biofilm-inhibiting and anti-QS activities of linden and chestnut honeys were superior to those of acacia, goldenrod and milkweed honeys. In addition to the floral source, the antibacterial effect of honey is influenced by the microbial species treated. The use of honey in wound treatment can be justified by its diverse antibacterial mechanisms.
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Affiliation(s)
- Viktória L. Balázs
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Lilla Nagy-Radványi
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Erika Bencsik-Kerekes
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary
| | - Regina Koloh
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
| | - Dina Szabó
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, 6726 Szeged, Hungary
| | - Béla Kocsis
- Department of Medical Microbiology and Immunology, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Marianna Kocsis
- Department of Plant Biology, Institute of Biology, University of Pécs, 7624 Pécs, Hungary
- Correspondence:
| | - Ágnes Farkas
- Department of Pharmacognosy, Faculty of Pharmacy, University of Pécs, 7624 Pécs, Hungary
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Effects of Mangiferin on LPS-Induced Inflammation and SARS-CoV-2 Viral Adsorption in Human Lung Cells. Pharmaceutics 2022; 14:pharmaceutics14122845. [PMID: 36559338 PMCID: PMC9788116 DOI: 10.3390/pharmaceutics14122845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022] Open
Abstract
The growing interest in natural bioactive molecules, as an approach to many pathological contexts, is widely justified by the necessity to overcome the disadvantageous benefit-risk ratio related to traditional therapies. Among them, mangiferin (MGF) shows promising beneficial properties such as antioxidant, anti-inflammatory, and immunomodulatory effects. In this study, we aimed to investigate the antioxidant and anti-inflammatory properties of MGF on lipopolysaccharide (LPS)-induced lung NCI-H292 cells, focusing on its role against COVID-19 adsorption. In order to obtain this information, cells treated with LPS, with or without MGF, were analyzed performing wound healing, gene expression of inflammatory cytokines, GSH quantification, and JC-1 staining. Moreover, the inhibition of viral adsorption was evaluated microbiologically and the results were further confirmed by molecular docking analysis. In this regard, MGF downregulates the expression of several inflammatory factors, enhances GSH levels, promotes the wound healing rate, and restores the mitochondrial dysfunction caused by LPS. In addition, MGF significantly inhibits SARS-CoV-2 adsorption as shown by the gene expression of ACE2 and TMPRSS-2, and furtherly confirmed by microbiological and molecular modeling evaluation. Although more investigations are still needed, all data obtained constitute a solid background, demonstrating the cytoprotective role of MGF in inflammatory mechanisms including COVID-19 infection.
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An updated review of extraction and liquid chromatography techniques for analysis of phenolic compounds in honey. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Turska M, Paluszkiewicz P, Turski WA, Parada-Turska J. A Review of the Health Benefits of Food Enriched with Kynurenic Acid. Nutrients 2022; 14:4182. [PMID: 36235834 PMCID: PMC9570704 DOI: 10.3390/nu14194182] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 11/17/2022] Open
Abstract
Kynurenic acid (KYNA), a metabolite of tryptophan, is an endogenous substance produced intracellularly by various human cells. In addition, KYNA can be synthesized by the gut microbiome and delivered in food. However, its content in food is very low and the total alimentary supply with food accounts for only 1-3% of daily KYNA excretion. The only known exception is chestnut honey, which has a higher KYNA content than other foods by at least two orders of magnitude. KYNA is readily absorbed from the gastrointestinal tract; it is not metabolized and is excreted mainly in urine. It possesses well-defined molecular targets, which allows the study and elucidation of KYNA's role in various pathological conditions. Following a period of fascination with KYNA's importance for the central nervous system, research into its role in the peripheral system has been expanding rapidly in recent years, bringing some exciting discoveries. KYNA does not penetrate from the peripheral circulation into the brain; hence, the following review summarizes knowledge on the peripheral consequences of KYNA administration, presents data on KYNA content in food products, in the context of its daily supply in diets, and systematizes the available pharmacokinetic data. Finally, it provides an analysis of the rationale behind enriching foods with KYNA for health-promoting effects.
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Affiliation(s)
- Monika Turska
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, 20-708 Lublin, Poland
| | - Piotr Paluszkiewicz
- Department of General, Oncological and Metabolic Surgery, Institute of Hematology and Transfusion Medicine, 02-778 Warsaw, Poland
| | - Waldemar A. Turski
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, 20-090 Lublin, Poland
| | - Jolanta Parada-Turska
- Department of Rheumatology and Connective Tissue Diseases, Medical University of Lublin, 20-090 Lublin, Poland
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A comparative study of antimicrobial, anti-quorum sensing, anti-biofilm, anti-swarming, and antioxidant activities in flower extracts of pecan (Carya illinoinensis) and chestnut (Castanea sativa). Arch Microbiol 2022; 204:589. [PMID: 36053379 DOI: 10.1007/s00203-022-03172-6] [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: 02/24/2022] [Revised: 04/27/2022] [Accepted: 08/04/2022] [Indexed: 11/02/2022]
Abstract
Antibiotic resistance, which has increased rapidly in recent years because of uncontrolled and unconscious antibiotic consumption, poses a major threat to public health. The inadequacy of existing antibiotics has increased the need for new, effective, and less toxic antibiotic raw materials or antibiotic derivatives. Pecan (Carya illinoinensis) and Chestnut (Castanea sativa) flowers possess abundant pollen contents and exhibit similar morphological features. The purpose of this study was to compare these two flower extracts in terms of their antimicrobial and antioxidant activities. Total phenolic content, total flavonoid contents, and phenolic components were also analyzed in aquatic and ethanolic extracts. Antioxidant activities were measured using ferric reducing/antioxidant capacity (FRAP) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) methods. Antimicrobial and antifungal activities were compared by means of agar diffusion tests against bacteria including Staphylococcus aureus, Bacillus cereus, Mycobacterium smegmatis, Acinetobacter haemolyticus, and Chromobacterium violaceum, and the yeasts Candida albicans and Candida parapsilosis. Anti-quorum sensing (anti-QS), anti-biofilm, and anti-swarming (SW) activities were also studied against Chromobacterium violaceum ATCC 31532, Chromobacterium violaceum ATCC 12472, and Pseudomonas aeruginosa PA01, respectively. Both extracts were rich in ellagic acid and gallic acid and exhibited similar antioxidant properties. Both flower extracts exhibited high antimicrobial and antifungal activities as well as anti-biofilm, anti-QS, and anti-SW activities.
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Identification of Seasonal Honey Based on Quantitative Detection of Typical Pollen DNA. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12104846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Monofloral honey is produced from the nectar of a single predominant botanical species in a particular season and has certain unique properties. Valuable monofloral honey produced in a particular season with unique properties is often targeted for adulteration. Herein, a method for the identification of monofloral honey and determination of its production season was developed. Major nectar plants, including Prunus sp., Robinia pseudoacacia, Castanea sp., and Kalopanax sp., were selected to evaluate the honey produced between April and July in South Korea. Results showed that the highest amount of DNA from each plant was detected in the corresponding flowering season. The pollens tended to accumulate in the honeycomb after the flowering season. The accumulations result in an increase in the diversity of pollen detected in honey. Additionally, DNA quantity of each plant decreased in the samples as the number of plant DNA types increased from May to July. Moreover, the authenticity of the commercial monofloral honey samples showed only cherry blossom honey was found authentic, which exhibited the expected high amount of Prunus sp. DNA. This molecular tool is expected to be useful in verifying the origin of monofloral honey and its production season.
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Lawag IL, Lim LY, Joshi R, Hammer KA, Locher C. A Comprehensive Survey of Phenolic Constituents Reported in Monofloral Honeys around the Globe. Foods 2022; 11:foods11081152. [PMID: 35454742 PMCID: PMC9025093 DOI: 10.3390/foods11081152] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 01/11/2023] Open
Abstract
The aim of this review is to provide a comprehensive overview of the large variety of phenolic compounds that have to date been identified in a wide range of monofloral honeys found globally. The collated information is structured along several themes, including the botanical family and genus of the monofloral honeys for which phenolic constituents have been reported, the chemical classes the phenolic compounds can be attributed to, and the analytical method employed in compound determination as well as countries with a particular research focus on phenolic honey constituents. This review covers 130 research papers that detail the phenolic constituents of a total of 556 monofloral honeys. Based on the findings of this review, it can be concluded that most of these honeys belong to the Myrtaceae and Fabaceae families and that Robinia (Robinia pseudoacacia, Fabaceae), Manuka (Leptospermum scoparium, Myrtaceae), and Chestnut (Castanea sp., Fagaceae) honeys are to date the most studied honeys for phenolic compound determination. China, Italy, and Turkey are the major honey phenolic research hubs. To date, 161 individual phenolic compounds belonging to five major compound groups have been reported, with caffeic acid, gallic acid, ferulic acid and quercetin being the most widely reported among them. HPLC with photodiode array detection appears to be the most popular method for chemical structure identification.
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Affiliation(s)
- Ivan Lozada Lawag
- Cooperative Research Centre for Honey Bee Products Limited (CRC HBP), University of Western Australia, Crawley, WA 6009, Australia; (I.L.L.); (K.A.H.)
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley, WA 6009, Australia;
| | - Lee-Yong Lim
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley, WA 6009, Australia;
| | - Ranee Joshi
- Centre for Exploration Targeting, School of Earth Sciences, University of Western Australia, Crawley, WA 6009, Australia;
| | - Katherine A. Hammer
- Cooperative Research Centre for Honey Bee Products Limited (CRC HBP), University of Western Australia, Crawley, WA 6009, Australia; (I.L.L.); (K.A.H.)
- School of Biomedical Sciences, University of Western Australia, Crawley, WA 6009, Australia
| | - Cornelia Locher
- Cooperative Research Centre for Honey Bee Products Limited (CRC HBP), University of Western Australia, Crawley, WA 6009, Australia; (I.L.L.); (K.A.H.)
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley, WA 6009, Australia;
- Correspondence:
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Viteri R, Zacconi F, Montenegro G, Giordano A. Bioactive compounds in Apis mellifera monofloral honeys. J Food Sci 2021; 86:1552-1582. [PMID: 33864260 DOI: 10.1111/1750-3841.15706] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/12/2021] [Accepted: 02/28/2021] [Indexed: 01/23/2023]
Abstract
Honey is a natural product with a sweet flavor. Honey is made by the honeybee (Apis mellifera L.) from the nectar of flowers or other plant secretions that are collected near the hive. These products are mixed with bee saliva and stored. Several studies have demonstrated that honey exhibits antioxidant, antimicrobial, nematicidal, antifungal, anticancer, and anti-inflammatory activities. These properties are influenced by the plants from which the secretions are harvested, from the naturally occurring compounds present in the nectar. Studies of the properties and applications of honey have distinguished honey from other natural products due to the presence of certain compounds and due its bioactive properties. The focus of this review is to discuss the identified and isolated compounds from monofloral honey produced by A. mellifera, with specific emphasis on antioxidant and antimicrobial properties of honey and its therapeutic health benefits.
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Affiliation(s)
- Rafael Viteri
- Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Santiago, Chile
| | - Flavia Zacconi
- Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Santiago, Chile.,Instituto de Ingeniería Biológica y Médica, Escuelas de Ingeniería, Medicina y Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Santiago, Chile
| | - Gloria Montenegro
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Santiago, Chile
| | - Ady Giordano
- Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Santiago, Chile
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Obossou EK, Shikamoto Y, Hoshino Y, Kohno H, Ishibasi Y, Kozasa T, Taguchi M, Sakakibara I, Tonooka K, Shinozuka T, Mori K. Effect of manuka honey on human immunodeficiency virus type 1 reverse transcriptase activity. Nat Prod Res 2021; 36:1552-1557. [PMID: 33550857 DOI: 10.1080/14786419.2021.1880403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Manuka honey (MkH), derived from New Zealand manuka tree (Leptospermum scoparium), is considered a therapeutic agent owing to its antibacterial, antioxidant, antifungal, antiviral, anti-inflammatory, and wound healing activities. In this study, the inhibitory effect of five honey types, including MkH, on HIV-1 RT activity was evaluated, using an RT assay colorimetric kit, according to the manufacturer's instructions with slight modifications. MkH exerted the strongest inhibitory effect in a dose-dependent manner, with a half maximal inhibitory concentration (IC50) of approximately 14.8 mg/mL. Moreover, among the MkH constituents, methylglyoxal (MGO) and 2-methoxybenzoic acid (2-MBA) were determined to possess anti-HIV-1 RT activity. MGO and 2-MBA in MkH were identified by High Performance Liquid Chromatography (HPLC) and Liquid Chromatograph - Mass Spectrometry (LC-MS/MS). The findings suggest that the inhibitory effect of MkH on the HIV-1 RT activity is mediated by multiple constituents with different physical and chemical properties.
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Affiliation(s)
| | - Yasuo Shikamoto
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
| | - Yuki Hoshino
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
| | - Hayato Kohno
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
| | - Yukiko Ishibasi
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
| | - Tohru Kozasa
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
| | - Maho Taguchi
- Laboratory of Regulatory Sciences, Yokohama University of Pharmacy, Yokohama, Japan
| | - Iwao Sakakibara
- Department of Chinese Herbal Medicine, Yokohama University of Pharmacy, Yokohama, Japan
| | - Keiko Tonooka
- Department of Pathophysiology, Yokohama University of Pharmacy, Yokohama, Japan
| | - Tatsuo Shinozuka
- Department of Pathophysiology, Yokohama University of Pharmacy, Yokohama, Japan
| | - Kazuya Mori
- Department of Biochemistry, Yokohama University of Pharmacy, Yokohama, Japan
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Antioxidant HPTLC-DPPH Fingerprinting of Honeys and Tracking of Antioxidant Constituents Upon Thermal Exposure. Foods 2021; 10:foods10020357. [PMID: 33562382 PMCID: PMC7914617 DOI: 10.3390/foods10020357] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 11/20/2022] Open
Abstract
The use of High-Performance Thin-Layer Chromatography (HPTLC) coupled with the use of DPPH* (2,2-diphenyl-1-picrylhydrazyl) as a derivatisation reagent is a novel approach to the analysis of antioxidant activity of honeys. The method facilitates the visualisation of individual constituents that contribute to the overall antioxidant activity of the honey, even if they are not yet chemically identified, and allows for the quantification of their antioxidant activity as gallic acid equivalents. The method supports a more in-depth study of the antioxidant activity of honey as it allows for a comparative analysis of the antioxidant fingerprints of honeys of different floral origin and is able to capture differences in their individual bioactive constituents. Further, it supports the tracking of changes in antioxidant activity of individual honey constituents over time upon exposure to different temperature conditions, which demonstrates the potential value of the method for in-process quality control.
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Improved Production of Kynurenic Acid by Yarrowia lipolytica in Media Containing Different Honeys. SUSTAINABILITY 2020. [DOI: 10.3390/su12229424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Y. lipolytica remains a nonpathogenic, unconventional yeast, which can be applied for the production of bioactive compounds. Our previous study confirmed the ability of yeast Yarrowia lipolytica to produce kynurenic acid (KYNA). Here, we investigated the effectiveness of KYNA production in cultures cultivated in medium containing honey of various origin, used as a source of carbon and energy. It was evidenced that the highest content of KYNA in culture broth (68 mg/L) and yeast biomass (542 mg/kg) was obtained when chestnut honey was used. The content of lipids and amino acids composition in yeast biomass producing KYNA was also determined. It was found that the composition of both amino acids and lipids in yeast biomass depended on the honey type used as a component of the medium. This finding revealed that supplementation of medium broth with honey may significantly affect the nutritional value of yeast biomass. The practical applicability of this finding requires further study.
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Sferrazzo G, Palmeri R, Vanella L, Parafati L, Ronsisvalle S, Biondi A, Basile F, Li Volti G, Barbagallo I. Mangifera indica L. Leaf Extract Induces Adiponectin and Regulates Adipogenesis. Int J Mol Sci 2019; 20:ijms20133211. [PMID: 31261958 PMCID: PMC6651838 DOI: 10.3390/ijms20133211] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 02/07/2023] Open
Abstract
Natural bioactive compounds may be used in obese patients because of their ability to impact on various key mechanisms involved in the complex pathophysiological mechanisms of such condition. The aim of this study was to investigate the effect of a Mangifera indica L. leaf extract (MLE) on adipogenic differentiation of murine preadipocyte cells. 3T3-L1 cells were treated during their differentiation with various concentrations of (Mangifera indica L.) leaves extract (MLE) (750, 380, 150, 75 and 35 μg) in order to assess their lipid content, adiponectin production, expression profile of genes involved in lipid metabolism, oxidative stress and inflammation. Our results showed that MLE was particularly enriched in polyphenols (46.30 ± 0.083 mg/g) and that pharmacological treatment of cells resulted in a significant increase of adiponectin levels and reduction of intracellular lipid content. Consistently with these results, MLE resulted in a significant decrease of the expression of genes involved in lipid metabolism (FAS, PPARG, DGAT1, DGAT2, and SCD-1). In conclusion, our results suggest that MLE may represent a possible pharmacological tool for obese or metabolic syndrome patients.
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Affiliation(s)
- Giuseppe Sferrazzo
- Department of Drug Science, Biochemistry Section, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Rosa Palmeri
- Department of Agricultural, Food and Environment, University of Catania, Via S. Sofia, 95125 Catania, Italy
| | - Luca Vanella
- Department of Drug Science, Biochemistry Section, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Lucia Parafati
- Department of Agricultural, Food and Environment, University of Catania, Via S. Sofia, 95125 Catania, Italy
| | - Simone Ronsisvalle
- Department of Drug Science, Biochemistry Section, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Antonio Biondi
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Via S. Sofia 87, 95125 Catania, Italy
| | - Francesco Basile
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Via S. Sofia 87, 95125 Catania, Italy
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia 87, 95125 Catania, Italy.
- EuroMediterranean Institute of Science and Technology, Via Michele Miraglia 20, 90139 Palermo, Italy.
| | - Ignazio Barbagallo
- Department of Drug Science, Biochemistry Section, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
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Fuochi V, Cardile V, Petronio Petronio G, Furneri PM. Biological properties and production of bacteriocins-like-inhibitory substances by Lactobacillus sp. strains from human vagina. J Appl Microbiol 2019; 126:1541-1550. [PMID: 30499608 DOI: 10.1111/jam.14164] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/07/2018] [Accepted: 11/23/2018] [Indexed: 01/02/2023]
Abstract
AIMS The aim of this study was to characterize Lactobacillus strains for their biological properties and amensalistic activities against genital and nongenital pathogens. METHODS AND RESULTS For the purpose, some special characteristics (H2 O2 , biofilm and antimicrobial substances production) as well as safety properties of 112 lactobacilli were evaluated. All the strains had good amensalistic characteristics, in particular cell-free supernatants of 10 strains showed antibacterial activity against bacteria, as well as Candida sp. Moreover, these 10 strains were excellent biofilm producers. CONCLUSIONS These results provide evidence for the possible use as probiotics for vaginal co-therapy in case of dysbiosis. SIGNIFICANCE AND IMPACT OF THE STUDY Recently, the problem of antibiotic resistance is constantly increasing, even though resources and energy are invested in order to increase knowledge on the mechanisms of action. Bacteriocins have a rapid mechanism of action, act at extremely low concentrations, are generally sensitive to proteases and they usually have a narrow killing spectrum; these characteristics reduce the possibility of the bacterium to develop resistance. This study is focused on the feasibility of a high production of antimicrobial substances and their characterization in order to be exploited as a therapeutic alterative or in co-therapy with antibiotics in case of vaginal dysbiosis.
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Affiliation(s)
- V Fuochi
- Dipartimento di Scienze Biomediche e Biotecnologiche BIOMETEC Sez. Microbiologia, Università degli Studi di Catania, Catania, Italy
| | - V Cardile
- Dipartimento di Scienze Biomediche e Biotecnologiche BIOMETEC Sez. Fisiologia, Università degli Studi di Catania, Catania, Italy
| | - G Petronio Petronio
- Dipartimento di Scienze Biomediche e Biotecnologiche BIOMETEC Sez. Microbiologia, Università degli Studi di Catania, Catania, Italy
| | - P M Furneri
- Dipartimento di Scienze Biomediche e Biotecnologiche BIOMETEC Sez. Microbiologia, Università degli Studi di Catania, Catania, Italy
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Stagos D, Soulitsiotis N, Tsadila C, Papaeconomou S, Arvanitis C, Ntontos A, Karkanta F, Adamou-Androulaki S, Petrotos K, Spandidos DA, Kouretas D, Mossialos D. Antibacterial and antioxidant activity of different types of honey derived from Mount Olympus in Greece. Int J Mol Med 2018; 42:726-734. [PMID: 29749429 PMCID: PMC6034916 DOI: 10.3892/ijmm.2018.3656] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 04/27/2018] [Indexed: 12/31/2022] Open
Abstract
The aim of the present study was to examine the antioxidant and antibacterial activity of 21 types of honey derived from Mount Olympus (Mt. Olympus), a region with great plant biodiversity. The antibacterial activity was examined against the growth of Staphylococcus aureus (S. aureus) and Pseudomonas aeruginosa (P. aeruginosa) by the agar well diffusion assay and the determination of the minimum inhibitory concentration (MIC). The antioxidant activity was assessed by using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS•+) free radical scavenging assays. These activities were compared to Manuka honey which is used as an alternative medicine. The results revealed that all tested honey types exhibited antibacterial activity against S. aureus and P. aeruginosa. The MIC of the tested honey types against S. aureus ranged from 3.125 to 12.5% (v/v), while MIC of Manuka honey was determined to be 6.25% (v/v). The MIC values of the tested honey types against P. aeruginosa ranged from 6.25 to 12.5% (v/v) and the MIC of Manuka honey was determined at 12.5% (v/v). Moreover, the results suggested that the presence of hydrogen peroxide and proteinaceous compounds in the honey types accounted, at least in part, for the antibacterial activity. In addition, the total polyphenolic content (TPC) of the honey types seemed to contribute to the antibacterial activity against P. aeruginosa. Furthermore, some of the tested honey types exhibited potent free radical scavenging activity against DPPH and ABTS•+ radicals, which was greater than that of Manuka honey. The results indicated that not only the quantity, but also the quality of the polyphenols were responsible for the antioxidant activity. Moreover, four honey types exhibiting great antioxidant activity were converted to powder using a freeze drying method. The results indicated that following conversion to powder all honey types, apart from one, retained their antioxidant activity, although their TPC was reduced. On the whole, and at least to the best of our knowledge, the present study is the first that extensively examined the bioactivities of different types of honey derived from Mt. Olympus.
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Affiliation(s)
- Dimitrios Stagos
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Nikolaos Soulitsiotis
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Christina Tsadila
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Stamatina Papaeconomou
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Charalampos Arvanitis
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Alexandros Ntontos
- Department of Biosystems Engineering, Technical Education Institute of Thessaly, 41110 Larissa, Greece
| | - Fani Karkanta
- Department of Biosystems Engineering, Technical Education Institute of Thessaly, 41110 Larissa, Greece
| | | | - Konstantinos Petrotos
- Department of Biosystems Engineering, Technical Education Institute of Thessaly, 41110 Larissa, Greece
| | - Demetrios A Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Crete, Greece
| | - Demetrios Kouretas
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Dimitris Mossialos
- Department of Biochemistry and Biotechnology, University of Thessaly, Biopolis, 41500 Larissa, Greece
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Grecka K, Kuś PM, Worobo RW, Szweda P. Study of the Anti-Staphylococcal Potential of Honeys Produced in Northern Poland. Molecules 2018; 23:molecules23020260. [PMID: 29382105 PMCID: PMC6017226 DOI: 10.3390/molecules23020260] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/25/2018] [Accepted: 01/26/2018] [Indexed: 01/21/2023] Open
Abstract
The antimicrobial activity of 144 samples of honeys including 95 products from apiaries located in Northern Poland was evaluated. The antibacterial activity of those natural products, their thermal stability, and activity in the presence of catalase was investigated by microdilution assays in titration plates. The MTT assay was performed for the determination of anti-biofilm activity. Spectrophotometric assays were used for the determination of antioxidant potential, total phenolic content, and ability to generate hydrogen peroxide. Some of the investigated honeys exhibited surprisingly high antimicrobial, especially anti-staphylococcal, potential, with Minimal Inhibitory Concentration (MIC) values of only 1.56% (v/v). Much higher resistance was observed in the case of staphylococci growing as biofilms. Lower concentrations of the product, up to 12.5% (v/v) stimulated its growth and effective eradication of biofilm required concentration of at least 25% (v/v). Hydrogen peroxide has been identified as a crucial contributor to the antimicrobial activity of honeys supplied by Polish beekeepers. However, some of the results suggest that phytochemicals, especially polyphenols, play an important role depending on botanical source (both positive, e.g., in the case of buckwheat honeys as well as negative, e.g., in the case of some rapeseed honeys) in their antimicrobial potential.
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Affiliation(s)
- Katarzyna Grecka
- Department of Pharmaceutical Technology and Biochemistry, Faculty of Chemistry, Gdańsk University of Technology, ul. G. Narutowicza 11/12, 80-233 Gdańsk, Poland.
| | - Piotr M Kuś
- Department of Pharmacognosy, Wrocław Medical University, ul. Borowska 211a, 50-556 Wrocław, Poland.
| | - Randy W Worobo
- Department of Food Science, Cornell University, Ithaca, NY 14853, USA.
| | - Piotr Szweda
- Department of Pharmaceutical Technology and Biochemistry, Faculty of Chemistry, Gdańsk University of Technology, ul. G. Narutowicza 11/12, 80-233 Gdańsk, Poland.
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