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Chen Y, Jiang C, Yin S, Zhuang J, Zhao Y, Zhang L, Jiang X, Liu Y, Gao L, Xia T. New insights into the function of plant tannase with promiscuous acyltransferase activity. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 113:576-594. [PMID: 36534122 DOI: 10.1111/tpj.16069] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 11/25/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Plant tannases (TAs) or tannin acyl hydrolases, a class of recently reported carboxylesterases in tannin-rich plants, are involved in the degalloylation of two important groups of secondary metabolites: flavan-3-ol gallates and hydrolyzable tannins. In this paper, we have made new progress in studying the function of tea (Camellia sinensis) (Cs) TA-it is a hydrolase with promiscuous acyltransferase activity in vitro and in vivo and promotes the synthesis of simple galloyl glucoses and flavan-3-ol gallates in plants. We studied the functions of CsTA through enzyme analysis, protein mass spectrometry, and metabolic analysis of genetically modified plants. Firstly, CsTA was found to be not only a hydrolase but also an acyltransferase. In the two-step catalytic reaction where CsTA hydrolyzes the galloylated compounds epigallocatechin-3-gallate or 1,2,3,4,6-penta-O-galloyl-β-d-glucose into their degalloylated forms, a long-lived covalently bound Ser159-linked galloyl-enzyme intermediate is also formed. Under nucleophilic attack, the galloyl group on the intermediate is transferred to the nucleophilic acyl acceptor (such as water, methanol, flavan-3-ols, and simple galloyl glucoses). Then, metabolic analysis suggested that transient overexpression of TAs in young strawberry (Fragaria × ananassa) fruits, young leaves of tea plants, and young leaves of Chinese bayberry (Myrica rubra) actually increased the total contents of simple galloyl glucoses and flavan-3-ol gallates. Overall, these findings provide new insights into the promiscuous acyltransferase activity of plant TA.
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Affiliation(s)
- Yifan Chen
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
| | - Changjuan Jiang
- School of Life Science, Anhui Agricultural University, Hefei, 230036, Anhui, China
| | - Shixin Yin
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
| | - Juhua Zhuang
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
| | - Yue Zhao
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
| | - Lingjie Zhang
- School of Life Science, Anhui Agricultural University, Hefei, 230036, Anhui, China
| | - Xiaolan Jiang
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
| | - Yajun Liu
- School of Life Science, Anhui Agricultural University, Hefei, 230036, Anhui, China
| | - Liping Gao
- School of Life Science, Anhui Agricultural University, Hefei, 230036, Anhui, China
| | - Tao Xia
- State Key Laboratory of Tea Plant Biology and Utilization/Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture/Anhui Provincial Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, West 130 Changjiang Road, Hefei, 230036, Anhui, China
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Wang R, Peng J, Shi X, Cao S, Xu Y, Xiao G, Li C. Change in membrane fluidity induced by polyphenols is highly dependent on the position and number of galloyl groups. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2022; 1864:184015. [PMID: 35914569 DOI: 10.1016/j.bbamem.2022.184015] [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] [Received: 04/12/2022] [Revised: 07/19/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
The cell membrane fluidity was very important in adipogenesis and galloyl groups on polyphenolic structures could enhance their antiadipogenic activity. However, the effect of polyphenols on membrane fluidity and the role of galloyl groups in fluidity changes remain unclear. Therefore, the present study chose structurally different polyphenols to compare their effects on the membrane morphology and fluidity of 3T3-L1 preadipocytes, and then the reasons behind the changes of membrane fluidity induced by galloylated polyphenols were explored from structural and molecular insights using liposome model and molecular dynamic simulation technology. Our results indicated that galloylated polyphenols could significantly change 3T3-L1 cell membrane morphology and decrease membrane fluidity, while non-galloylated ones could not. The membrane interference effect of polyphenols was enhanced as the number of galloyl groups increased. Morever, the decrease in membrane fluidity induced by galloylated polyphenols was due to the disturbance of polyphenols on lipid alkyl chains in the cell membrane. Galloylated polyphenols could not only locate in the polar head, but also insert into hydrophobic center of lipid bilayer to interfere with the lipid alkyl chains arrangement, thus decreasing the membrane fluidity and showing strong affinity for the membrane. In addition, differences in position of galloyl groups in polyphenols induced distinct effect on cell membranes interactions, thus affecting the binding manner and bioactivity. The results expanded the understanding on the strong antiadipogenic activity of galloylated polyphenols through the aspect of their effects on cell membrane by both experimental and theoretically simulated ways.
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Affiliation(s)
- Ruifeng Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Jinming Peng
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xin Shi
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Sijia Cao
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yawei Xu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Gengsheng Xiao
- College of Light Industry and Food Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Chunmei Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Environment Correlative Food Science, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
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Alania Y, Zhou B, Reis M, Leme-Kraus AA, McAlpine JB, Chen SN, Pauli GF, Bedran-Russo AK. Paradoxical effects of galloyl motifs in the interactions of proanthocyanidins with collagen-rich dentin. J Biomed Mater Res A 2022; 110:196-203. [PMID: 34309176 PMCID: PMC8900943 DOI: 10.1002/jbm.a.37276] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 07/02/2021] [Accepted: 07/11/2021] [Indexed: 01/03/2023]
Abstract
Plant-derived proanthocyanidins (PACs) mediate physicochemical modifications to the dentin extracellular matrix (ECM). The structure-activity relationships of PACs remain largely unknown, mostly due to the varied complex composition of crude extracts, as well as the challenges of purification and mechanistic assessment. To assess the role of galloylated PACs as significant contributors to high yet unstable biomodification activity to the dentin ECM, we removed the galloyl moieties (de-galloylation) via enzymatic hydrolysis from three galloyl-rich PAC-containing extracts (Camellia sinensis, Vitis vinifera, and Hamamelis virginiana). The biomechanical and biological properties of dentin were assessed upon treatment with these extracts vs. their de-galloylated counterparts. An increase in the complex modulus of the dentin matrix was found with all extracts, however, the crude extract was significantly higher when compared to the de-galloylated version. Exhibiting the highest content of galloylated PACs among the investigated plants, Camellia sinensis crude extract also exhibited the biggest relapse in mechanical properties after one-month incubation. De-galloylation did not modify the damping capacity of dentin ECM. Moreover, PAC-mediated protection against proteolytic degradation was unaffected by de-galloylation. The de-galloylation experiments confirmed that gallic acid in galloylated rich-PAC extracts drive stronger yet significantly less sustained mechanical effects in dentin ECM.
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Affiliation(s)
- Yvette Alania
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60612,Department of General Dental Sciences, School of Dentistry, Marquette University, Milwaukee, WI 53233
| | - Bin Zhou
- Pharmacognosy Institute and Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612
| | - Mariana Reis
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60612,Department of General Dental Sciences, School of Dentistry, Marquette University, Milwaukee, WI 53233
| | - Ariene A. Leme-Kraus
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60612
| | - James B. McAlpine
- Pharmacognosy Institute and Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612
| | - Shao-Nong Chen
- Pharmacognosy Institute and Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612
| | - Guido F. Pauli
- Pharmacognosy Institute and Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612
| | - Ana K. Bedran-Russo
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60612,Department of General Dental Sciences, School of Dentistry, Marquette University, Milwaukee, WI 53233
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Rodrigues MJ, Castañeda-Loaiza V, Monteiro I, Pinela J, Barros L, Abreu RMV, Oliveira MC, Reis C, Soares F, Pousão-Ferreira P, Pereira CG, Custódio L. Metabolomic Profile and Biological Properties of Sea Lavender ( Limonium algarvense Erben) Plants Cultivated with Aquaculture Wastewaters: Implications for Its Use in Herbal Formulations and Food Additives. Foods 2021; 10:3104. [PMID: 34945654 PMCID: PMC8700961 DOI: 10.3390/foods10123104] [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: 11/20/2021] [Revised: 12/08/2021] [Accepted: 12/12/2021] [Indexed: 01/14/2023] Open
Abstract
Water extracts from sea lavender (Limonium algarvense Erben) plants cultivated in greenhouse conditions and irrigated with freshwater and saline aquaculture effluents were evaluated for metabolomics by liquid chromatography-tandem high-resolution mass spectrometry (LC-HRMS/MS), and functional properties by in vitro and ex vivo methods. In vitro antioxidant methods included radical scavenging of 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS), ferric-reducing antioxidant power (FRAP), and copper and iron chelating assets. Flowers' extracts had the highest compounds' diversity (flavonoids and its derivatives) and strongest in vitro antioxidant activity. These extracts were further tested for ex vivo antioxidant properties by oxidative haemolysis inhibition (OxHLIA), lipid peroxidation inhibition by thiobarbituric acid reactive substances (TBARS) formation, and anti-melanogenic, anti-tyrosinase, anti-inflammation, and cytotoxicity. Extract from plants irrigated with 300 mM NaCl was the most active towards TBARS (IC50 = 81 µg/mL) and tyrosinase (IC50 = 873 µg/mL). In OxHLIA, the activity was similar for fresh- and saltwater-irrigated plants (300 mM NaCl; IC50 = 136 and 140 µg/mL, respectively). Samples had no anti-inflammatory and anti-melanogenic abilities and were not toxic. Our results suggest that sea lavender cultivated under saline conditions could provide a flavonoid-rich water extract with antioxidant and anti-tyrosinase properties with potential use as a food preservative or as a functional ingredient in herbal supplements.
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Affiliation(s)
- Maria João Rodrigues
- Centre of Marine Sciences, Faculty of Sciences and Technology, Campus of Gambelas, University of Algarve, Ed. 7, 8005-139 Faro, Portugal; (V.C.-L.); (C.G.P.); (L.C.)
| | - Viana Castañeda-Loaiza
- Centre of Marine Sciences, Faculty of Sciences and Technology, Campus of Gambelas, University of Algarve, Ed. 7, 8005-139 Faro, Portugal; (V.C.-L.); (C.G.P.); (L.C.)
| | - Ivo Monteiro
- IPMA, Aquaculture Research Station, Av. do Parque Natural da Ria Formosa s/n, 8700-194 Olhao, Portugal; (I.M.); (F.S.); (P.P.-F.)
| | - José Pinela
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Braganca, Portugal; (J.P.); (L.B.); (R.M.V.A.)
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Braganca, Portugal; (J.P.); (L.B.); (R.M.V.A.)
| | - Rui M. V. Abreu
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Braganca, Portugal; (J.P.); (L.B.); (R.M.V.A.)
| | - Maria Conceição Oliveira
- Centro de Química Estrutural, Complexo Interdisciplinar, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
| | - Catarina Reis
- iMed.Ulisboa, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal;
| | - Florbela Soares
- IPMA, Aquaculture Research Station, Av. do Parque Natural da Ria Formosa s/n, 8700-194 Olhao, Portugal; (I.M.); (F.S.); (P.P.-F.)
| | - Pedro Pousão-Ferreira
- IPMA, Aquaculture Research Station, Av. do Parque Natural da Ria Formosa s/n, 8700-194 Olhao, Portugal; (I.M.); (F.S.); (P.P.-F.)
| | - Catarina G. Pereira
- Centre of Marine Sciences, Faculty of Sciences and Technology, Campus of Gambelas, University of Algarve, Ed. 7, 8005-139 Faro, Portugal; (V.C.-L.); (C.G.P.); (L.C.)
| | - Luísa Custódio
- Centre of Marine Sciences, Faculty of Sciences and Technology, Campus of Gambelas, University of Algarve, Ed. 7, 8005-139 Faro, Portugal; (V.C.-L.); (C.G.P.); (L.C.)
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Dermal Drug Delivery of Phytochemicals with Phenolic Structure via Lipid-Based Nanotechnologies. Pharmaceuticals (Basel) 2021; 14:ph14090837. [PMID: 34577536 PMCID: PMC8471500 DOI: 10.3390/ph14090837] [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: 07/30/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 12/11/2022] Open
Abstract
Phenolic compounds are a large, heterogeneous group of secondary metabolites found in various plants and herbal substances. From the perspective of dermatology, the most important benefits for human health are their pharmacological effects on oxidation processes, inflammation, vascular pathology, immune response, precancerous and oncological lesions or formations, and microbial growth. Because the nature of phenolic compounds is designed to fit the phytochemical needs of plants and not the biopharmaceutical requirements for a specific route of delivery (dermal or other), their utilization in cutaneous formulations sets challenges to drug development. These are encountered often due to insufficient water solubility, high molecular weight and low permeation and/or high reactivity (inherent for the set of representatives) and subsequent chemical/photochemical instability and ionizability. The inclusion of phenolic phytochemicals in lipid-based nanocarriers (such as nanoemulsions, liposomes and solid lipid nanoparticles) is so far recognized as a strategic physico-chemical approach to improve their in situ stability and introduction to the skin barriers, with a view to enhance bioavailability and therapeutic potency. This current review is focused on recent advances and achievements in this area.
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Identification and Antioxidant Abilities of Enzymatic-Transesterification (-)-Epigallocatechin-3- O-gallate Stearyl Derivatives in Non-Aqueous Systems. Antioxidants (Basel) 2021; 10:antiox10081282. [PMID: 34439530 PMCID: PMC8389292 DOI: 10.3390/antiox10081282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 11/21/2022] Open
Abstract
Vinyl stearate was added to enzymatic transesterification of (−)-Epigallocatechin-3-O-gallate (EGCG) to enhance its lipophilicity and antioxidant ability in a non-aqueous system. The lipase DF “Amano” 15 was used as the catalyst. The optimal reaction conditions were: acetonitrile as the solvent, the molar ratio of vinyl stearate: EGCG as 3:1, an enzyme amount of 4.0% (ratio of substrate mass), and a reaction temperature and time of 50 °C and 96 h, respectively, achieving 65.2% EGCG conversion. HPLC–MS and NMR were used to determine the structure of EGCG stearyl derivative (3″,5″-2-O-stearyl-EGCG). The lipophilicity of EGCG stearyl derivatives (3.49 ± 0.34) was higher (5.06 times) than that of the parent EGCG (0.69 ± 0.08). Furthermore, EGCG stearyl derivatives had excellent lipid oxidation compared with BHT, BHA, and parent EGCG. The POVs of soybean oil with EGCG stearyl derivatives (18.17 ± 0.92 mEq/kg) were significantly reduced (by 62.5%) at 21 d compared with those of EGCG (48.50 ± 1.23 mEq/kg). These results indicate that EGCG derivatives have broad antioxidant application prospects in lipophilic environments/high-fat food.
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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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An Untargeted Metabolomics Approach for Correlating Pulse Crop Seed Coat Polyphenol Profiles with Antioxidant Capacity and Iron Chelation Ability. Molecules 2021; 26:molecules26133833. [PMID: 34201792 PMCID: PMC8270320 DOI: 10.3390/molecules26133833] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 12/19/2022] Open
Abstract
Pulse crop seed coats are a sustainable source of antioxidant polyphenols, but are typically treated as low-value products, partly because some polyphenols reduce iron bioavailability in humans. This study correlates antioxidant/iron chelation capabilities of diverse seed coat types from five major pulse crops (common bean, lentil, pea, chickpea and faba bean) with polyphenol composition using mass spectrometry. Untargeted metabolomics was used to identify key differences and a hierarchical analysis revealed that common beans had the most diverse polyphenol profiles among these pulse crops. The highest antioxidant capacities were found in seed coats of black bean and all tannin lentils, followed by maple pea, however, tannin lentils showed much lower iron chelation among these seed coats. Thus, tannin lentils are more desirable sources as natural antioxidants in food applications, whereas black bean and maple pea are more suitable sources for industrial applications. Regardless of pulse crop, proanthocyanidins were primary contributors to antioxidant capacity, and to a lesser extent, anthocyanins and flavan-3-ols, whereas glycosylated flavonols contributed minimally. Higher iron chelation was primarily attributed to proanthocyanidin composition, and also myricetin 3-O-glucoside in black bean. Seed coats having proanthocyanidins that are primarily prodelphinidins show higher iron chelation compared with those containing procyanidins and/or propelargonidins.
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Chowdhary P, Gupta A, Gnansounou E, Pandey A, Chaturvedi P. Current trends and possibilities for exploitation of Grape pomace as a potential source for value addition. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116796. [PMID: 33740601 DOI: 10.1016/j.envpol.2021.116796] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/28/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
Grape pomace (GP) is a low-value by-product that contains a significant amount of high value-added products. The huge amount of non-edible residues of GP wastes (seeds, skins, leaves and, stems) produced by wine industries causes' environmental pollution, management issues as well as economic loss. Studies over the past 15-20 years revealed that GP could serve as a potential source for valuable bioactive compounds like antioxidants, bioactive, nutraceuticals, single-cell protein, and volatile organic compounds with an increasing scientific interest in their beneficial effects on human and animal health. However, the selection of appropriate techniques for the extraction of these compounds without compromising the stability of the extracted products is still a challenging task for the researcher. Based on the current scenario, the review mainly summarizes the novel applications of winery wastes in many sectors such as agriculture, pharmaceuticals, cosmetics, livestock fields, and also the bio-energy recovery system. We also summarize the existing information/knowledge on several green technologies for the recovery of value-added by-products. For the promotion of many emerging technologies, the entrepreneur should be aware of the opportunities/techniques for the development of high-quality value-added products. Thus, this review presents systematic information on value-added by-products that are used for societal benefits concerning the potential for human health and a sustainable environment.
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Affiliation(s)
- Pankaj Chowdhary
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Abhishek Gupta
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Edgard Gnansounou
- Bioenergy and Energy Planning, IIC, ENAC, École Polytechnique fédérale de Lausanne (EPFL), Station 18, CH-1015, Lausanne, Switzerland
| | - Ashok Pandey
- Centre for Innovation and Transnational Research, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India
| | - Preeti Chaturvedi
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226 001, Uttar Pradesh, India.
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Dridi W, Bordenave N. Pine Bark Phenolic Extracts, Current Uses, and Potential Food Applications: A Review. Curr Pharm Des 2020; 26:1866-1879. [PMID: 32048960 DOI: 10.2174/1381612826666200212113903] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/18/2019] [Indexed: 12/20/2022]
Abstract
PURPOSE To summarize the main findings from research on food uses of Pine Bark Phenolic Extracts (PBPE), their origin, methods of extraction, composition, health effects, and incorporation into food products. METHODS A narrative review of all the relevant papers known to the authors was conducted. RESULTS PBPE are mainly extracted from the bark Pinus pinaster. They are generally rich in procyanidins and their effects on health in the form of nutritional supplements include effect on some forms of cancer, on diabetes, on eye and skin health. Their method of extraction influences greatly their composition and yield, and commercially suitable methods are still to be developed. Incorporation into food products raises challenges related to bioavailability and subsequent bioactivity and sensory properties of the final products. CONCLUSION PBPE represent an opportunity for the development of functional foods with phenolic-rich bioactive compounds.
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Affiliation(s)
- Wafa Dridi
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Nicolas Bordenave
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
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Cao J, Wang Q, Ma T, Bao K, Yu X, Duan Z, Shen X, Li C. Effect of EGCG-gelatin biofilm on the quality and microbial composition of tilapia fillets during chilled storage. Food Chem 2020; 305:125454. [DOI: 10.1016/j.foodchem.2019.125454] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 08/22/2019] [Accepted: 09/02/2019] [Indexed: 10/26/2022]
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Raitanen JE, Järvenpää E, Korpinen R, Mäkinen S, Hellström J, Kilpeläinen P, Liimatainen J, Ora A, Tupasela T, Jyske T. Tannins of Conifer Bark as Nordic Piquancy-Sustainable Preservative and Aroma? Molecules 2020; 25:E567. [PMID: 32012956 PMCID: PMC7036811 DOI: 10.3390/molecules25030567] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 01/03/2023] Open
Abstract
Bark of Norway spruce and Scots pine trees contain large amounts of condensed tannins. Tannins extracted with hot water could be used in different applications as they possess antioxidative and antimicrobial activities. The use of bark tannins as e.g., food preservatives calls for increases in our knowledge of their antioxidative activities when applied in foodstuffs. To assess the ability of bark tannins to prevent lipid oxidation, hot water extracts were evaluated in a liposome model. Isolated tannins were also applied in dry-cured, salty meat snacks either as liquid extracts or in dry-powder form. Consumer acceptance of the snacks was tested by a sensory evaluation panel where outlook, odor, taste, and structure of the snacks were evaluated and compared to a commercial product without tannin ingredients. Our results show that conifer bark tannin-rich extracts have high capacity to prevent lipid oxidation in the liposome model. The efficacies of pine and spruce bark extracts were ten to hundred folds higher, respectively, than those of phenolic berry extracts. The bark extracts did not significantly influence the odor or taste of the meat snacks. The findings indicate that bark extracts may be used as sustainable food ingredients. However, more research is needed to verify their safety.
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Affiliation(s)
- Jan-Erik Raitanen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
- Department of Chemistry, University of Helsinki, PO Box 55, FI-00014 Helsinki, Finland
| | - Eila Järvenpää
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Risto Korpinen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Sari Mäkinen
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Jarkko Hellström
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Petri Kilpeläinen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Jaana Liimatainen
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Ari Ora
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
| | - Tuomo Tupasela
- Natural Resources Institute Finland (Luke), Myllytie 1, FI-31600 Jokioinen, Finland; (E.J.); (S.M.); (J.H.); (T.T.)
| | - Tuula Jyske
- Natural Resources Institute Finland (Luke), Tietotie 2, FI-02150 Espoo, Finland; (J.-E.R.); (R.K.); (P.K.); (J.L.); (A.O.)
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Leme-Kraus AA, Phansalkar RS, Dos Reis MC, Aydin B, Sousa ABS, Alania Y, McAlpine J, Chen SN, Pauli GF, Bedran-Russo AK. Dimeric Proanthocyanidins on the Stability of Dentin and Adhesive Biointerfaces. J Dent Res 2019; 99:175-181. [PMID: 31826696 DOI: 10.1177/0022034519892959] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
A dentin biomodification strategy with selective proanthocyanidin (PAC)-enriched extracts reinforces dentin and dentin-resin interfaces. Enrichment of the extracts according to the degree of polymerization allows exploration of bioactive principles of PACs and structure-activity relationships. This study investigated the sustained dentin matrix biomodification and dentin-resin bioadhesion of 2 fractions consisting exclusively of B-type PAC dimers with or without a single galloyl motif (specifically, DIMERG and DIMERNG) and their precursor material, enriched grape seed extract (e-GSE; Vitis vinifera). The biomodification potential was determined by long-term evaluation of the apparent modulus of elasticity and collagen solubility (hydroxyproline release). Chemical characterization of the dentin matrix was performed by attenuated total reflectance-Fourier-transform infrared spectroscopy. The bioadhesive properties were assessed by a microtensile bond strength test at different time points, and macro-hybrid layers were produced to verify the degree of conversion of the adhesive resin. Fractions consisting of DIMERG, DIMERNG, and their precursor, e-GSE, increased the modulus of elasticity at all time points and reduced collagen degradation. Specimens treated with DIMERNG remained stable throughout 12 mo of storage, whereas a significant drop in the modulus of elasticity was observed for the DIMERG and e-GSE groups at 6 mo. The fractions and precursor did not affect the degree of resin conversion at the hybrid layer. Changes in infrared resonances corresponding to collagen cross-links in the dentin matrix occurred for all treatments. Higher bond strength was observed for dentin treated with e-GSE as compared with DIMERG and DIMERNG; all biointerfaces remained stable after 12 mo. Nongalloylated PACs mediate stable dentin biomodification, which includes protective activity against collagen degradation and reinforcement of the anchoring dentin matrix. Collectively, PACs with a higher degree of oligomerization offer a robust bioadhesion between the hydrophilic dentin matrix and the hydrophobic adhesive.
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Affiliation(s)
- A A Leme-Kraus
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - R S Phansalkar
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - M C Dos Reis
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - B Aydin
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - A B S Sousa
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Y Alania
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - J McAlpine
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - S N Chen
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - G F Pauli
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - A K Bedran-Russo
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
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Chen B, Li X, Liu J, Qin W, Liang M, Liu Q, Chen D. Antioxidant and Cytoprotective effects of Pyrola decorata H. Andres and its five phenolic components. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 19:275. [PMID: 31638966 PMCID: PMC6805648 DOI: 10.1186/s12906-019-2698-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 09/26/2019] [Indexed: 11/28/2022]
Abstract
Background Pyrola decorata H. Andres, is exclusively distributed in China and a source of traditional Chinese herbal medicine Luxiancao for more than 2000 years. Here, we evaluated the antioxidant and cytoprotective effects of P. decorata and its five phenolic components (protocatechuic acid, gallic acid, hyperoside, 2′′-O-galloylhyperin, and quercetin), and discussed their antioxidant chemistry. Methods A lyophilized aqueous extract of P. decorata (LAEP) was prepared and analyzed with high-performance liquid chromatography (HPLC). LAEP and its five phenolic components were comparatively investigated using five antioxidant assays, including ferric-reducing antioxidant power, cupric ion-reducing antioxidant capacity, 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide radical (PTIO•)-scavenging, 1,1-diphenyl-2-picryl-hydrazl radical (DPPH•)-scavenging, and 2,2′-azino-bis(3-ethylbenzo-thiazoline-6-sulfonic acid) radical (ABTS+•)-scavenging activities. The reaction products of the five phenolic components with 4-methoxy-2,2,6,6-tetramethylpiperidine-1-oxyl radical (4-methoxy-TEMPO•) were determined with ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight tandem mass spectrometry (UPLC-ESI-Q-TOF-MS/MS) analysis. LAEP and its five phenolic components were incubated with bone marrow-derived mesenchymal stem cells (bmMSCs) subjected to oxidative stress to demonstrate their cytoprotective effects with a flow cytometry assay. Results In the five antioxidant assays, LAEP and its five phenolic components dose-dependently increased the radical-scavenging (or reducing power) activities. However, the IC50 values of hyperoside were consistently higher than those of 2′′-O-galloylhyperin. UPLC-ESI-Q-TOF-MS/MS analysis results indicated that the five phenolics could yield dimer products in the presence of 4-methoxy-TEMPO• via the radical adduct formation (RAF) pathway. Flow cytometry assay results confirmed the cytoprotective activity of LAEP and its five phenolic components toward stressed bmMSCs. In particular, 2′′-O-galloylhyperin could more effectively reduce the percentage of damaged bmMSCs than hyperoside. Conclusion LAEP and its five phenolic components may undergo redox-based pathways (such as electron transfer and H+ transfer) and covalent-based pathway (i.e., RAF) to exhibit antioxidant activity. One consequence of RAF is the generation of phenolic-phenolic dimer. In both organic and aqueous media, 2′′-O-galloylhyperin exhibited higher redox-based antioxidant levels (or cytoprotective levels) than those with hyperoside. The differences could be attributed to 2′′-O-galloylation reaction.
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A systematic review of the potential uses of pine bark in food industry and health care. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2018.07.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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16
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Aydin B, Leme-Kraus AA, Vidal CMP, Aguiar TR, Phansalkar RS, Nam JW, McAlpine JB, Chen SN, Pauli GF, Bedran-Russo AK. Evidence to the role of interflavan linkages and galloylation of proanthocyanidins at sustaining long-term dentin biomodification. Dent Mater 2018; 35:328-334. [PMID: 30580969 DOI: 10.1016/j.dental.2018.11.029] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 06/13/2018] [Accepted: 11/23/2018] [Indexed: 01/05/2023]
Abstract
OBJECTIVES The interactivity of proanthocyanidins (PACs) with collagen modulates dentin matrix biomechanics and biostability. Herein, PAC extracts selected based on structural diversity were investigated to determine key PAC features driving sustained effects on dentin matrices over a period of 18months. METHODS The chemical profiles of PAC-rich plant sources, Pinus massoniana (PM), Cinnamomum verum (CV) and Hamamelis virginiana (HV) barks, as well as Vitis vinifera (VV) seeds, were obtained by diol HPLC analysis after partitioning of the extracts between methyl acetate and water. Dentin matrices (n=15) were prepared from human molars to determine the apparent modulus of elasticity over 18months of aging. Susceptibility of the dentin matrix to degradation by endogenous and exogenous proteases was determined by presence of solubilized collagen in supernatant, and resistance to degradation by bacterial collagenase, respectively. Data were analyzed using ANOVA and Games-Howell post hoc tests (α=0.05). RESULTS After 18months, dentin matrices modified by PM and CV extracts, containing only non-galloylated PACs, were highly stable mechanically (p<0.05). Dentin matrices treated with CV exhibited the lowest degradation by bacterial collagenase after 1h and 18months of aging (p<0.05), while dentin matrices treated with PM showed the least mass loss and collagen solubilization by endogenous enzymes over time (p<0.05). SIGNIFICANCE Resistance against long-term degradation was observed for all experimental groups; however, the most potent and long-lasting dentin biomodification resulted from non-galloylated PACs.
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Affiliation(s)
- Berdan Aydin
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Ariene A Leme-Kraus
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Cristina M P Vidal
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Thaiane R Aguiar
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Rasika S Phansalkar
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Joo-Won Nam
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - James B McAlpine
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA; Program for Collaborative Research in the Pharmaceutical Sciences (PCRPS), College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Shao-Nong Chen
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA; Program for Collaborative Research in the Pharmaceutical Sciences (PCRPS), College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Guido F Pauli
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA; Program for Collaborative Research in the Pharmaceutical Sciences (PCRPS), College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA
| | - Ana K Bedran-Russo
- Department of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA; Program for Collaborative Research in the Pharmaceutical Sciences (PCRPS), College of Pharmacy, University of Illinois at Chicago, Chicago, IL, USA.
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Galloylation of polyphenols alters their biological activity. Food Chem Toxicol 2017; 105:223-240. [DOI: 10.1016/j.fct.2017.04.021] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 03/23/2017] [Accepted: 04/15/2017] [Indexed: 01/08/2023]
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18
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Wang Z, Wang C, Yuan J, Zhang C. Adsorption characteristics of adsorbent resins and antioxidant capacity for enrichment of phenolics from two-phase olive waste. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1040:38-46. [PMID: 27907867 DOI: 10.1016/j.jchromb.2016.11.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 11/13/2016] [Accepted: 11/16/2016] [Indexed: 12/11/2022]
Abstract
In this study, the adsorption properties of nine resins including polyamide resin (30-60), polyamide resin (60-100) AB-8, S-8, D-101, NKA-9, NKA-II, XDA-1 and XDA-4 for enrichment phenolics of the olive waste were investigated. XDA-1 and NKA-II were chosen for further study due to their outstanding adsorption and desorption capacity. XDA-1 and NKA-II had similar adsorption and desorption behaviors for phenolics of olive waste. The adsorption mechanism could be better explained by pseudo second-order kinetics model and Freundlich isotherm model, and the adsorption processes were spontaneously and exothermic. The experiment of gradient elution were carried out through treated XDA-1 resins column, the result indicated the total phenolics were mainly obtained from the 40% and 60% ethanol fraction. The order of antioxidant capacity by DPPH , ABTS+ radical and FRAP assay was similar with the content of phenolics from fraction elution. The compositions of phenolics from different elution fractions were determined by reversed phase-HPLC-DAD method. Gallic acid, hydroxytyrosol, tyrosol and ferulic acid were the major constituent in the fraction elute, and the content of hydroxytyrosol reached to the 41.69mg/g. The above results revealed the synergistic effects of the different phenolics contribute to the antioxidant capacity.
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Affiliation(s)
- Zhihong Wang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China; Key and Open Laboratory on the Forest Chemical Engineering, SFA, Nanjing 210042, China; Key Laboratory of the Biomass Energy and Material, Nanjing 210042, China
| | - Chengzhang Wang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China; Key and Open Laboratory on the Forest Chemical Engineering, SFA, Nanjing 210042, China; Key Laboratory of the Biomass Energy and Material, Nanjing 210042, China; Institute of New Technology of Forestry, CAF, Beijing 100091, China.
| | - Jiaojiao Yuan
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China; Key and Open Laboratory on the Forest Chemical Engineering, SFA, Nanjing 210042, China; Key Laboratory of the Biomass Energy and Material, Nanjing 210042, China
| | - Changwei Zhang
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China; Key and Open Laboratory on the Forest Chemical Engineering, SFA, Nanjing 210042, China; Key Laboratory of the Biomass Energy and Material, Nanjing 210042, China
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Zamora R, Hidalgo FJ. The triple defensive barrier of phenolic compounds against the lipid oxidation-induced damage in food products. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.06.006] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Su YR, Tsai YC, Hsu CH, Chao AC, Lin CW, Tsai ML, Mi FL. Effect of Grape Seed Proanthocyanidin-Gelatin Colloidal Complexes on Stability and in Vitro Digestion of Fish Oil Emulsions. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:10200-10208. [PMID: 26574624 DOI: 10.1021/acs.jafc.5b04814] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The colloidal complexes composed of grape seed proanthocyanidin (GSP) and gelatin (GLT), as natural antioxidants to improve stability and inhibit lipid oxidation in menhaden fish oil emulsions, were evaluated. The interactions between GSP and GLT, and the chemical structures of GSP/GLT self-assembled colloidal complexes, were characterized by isothermal titration calorimetry (ITC), circular dichroism (CD), and Fourier transform infrared spectroscopic (FTIR) studies. Fish oil was emulsified with GLT to obtain an oil-in-water (o/w) emulsion. After formation of the emulsion, GLT was fixed by GSP to obtain the GSP/GLT colloidal complexes stabilized fish oil emulsion. Menhaden oil emulsified by GSP/GLT(0.4 wt %) colloidal complexes yielded an emulsion with smaller particles and higher emulsion stability as compared to its GLT emulsified counterpart. The GSP/GLT colloidal complexes inhibited the lipid oxidation in fish oil emulsions more effectively than free GLT because the emulsified fish oil was surrounded by the antioxidant GSP/GLT colloidal complexes. The digestion rate of the fish oil emulsified with the GSP/GLT colloidal complexes was reduced as compared to that emulsified with free GLT. The extent of free fatty acids released from the GSP/GLT complexes stabilized fish oil emulsions was 63.3% under simulated digestion condition, indicating that the fish oil emulsion was considerably hydrolyzed with lipase.
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Affiliation(s)
- Yu-Ru Su
- Department of Chemical Engineering, National United University , Miaoli 36063, Taiwan
| | - Yi-Chin Tsai
- Department of Food Science, National Taiwan Ocean University , Pei-Ning Road, Keelung 20224, Taiwan
| | - Chun-Hua Hsu
- Department of Agricultural Chemistry, National Taiwan University , Taipei 10617, Taiwan
| | - An-Chong Chao
- Department of Chemical Engineering, National United University , Miaoli 36063, Taiwan
| | | | - Min-Lang Tsai
- Department of Food Science, National Taiwan Ocean University , Pei-Ning Road, Keelung 20224, Taiwan
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Antoniolli A, Fontana AR, Piccoli P, Bottini R. Characterization of polyphenols and evaluation of antioxidant capacity in grape pomace of the cv. Malbec. Food Chem 2015; 178:172-8. [DOI: 10.1016/j.foodchem.2015.01.082] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 01/16/2015] [Accepted: 01/17/2015] [Indexed: 01/03/2023]
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A galloylated dimeric proanthocyanidin from grape seed exhibits dentin biomodification potential. Fitoterapia 2014; 101:169-78. [PMID: 25542682 DOI: 10.1016/j.fitote.2014.12.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 12/12/2014] [Accepted: 12/16/2014] [Indexed: 11/22/2022]
Abstract
Grape seeds are a rich source of polyphenols, especially proanthocyanidins (PACs), and are also known for the presence of galloylated oligomeric PACs (OPACs). The present study focuses on the phytochemical methodology for grape seed (O)PACs and their potential role as dentin biomodifiers to be used in restorative and reparative dentistry. A new method using centrifugal partition chromatography (CPC) was developed for the preparative separation of the grape seed (O)PACs. Orthogonal phytochemical profiling of the resulting CPC fractions was performed using C18 and diol HPLC, normal phase HPTLC, and IT-TOF MS analysis. A galloylated procyanidin dimer (1) was isolated from a CPC fraction in order to evaluate its potential to enhance dentin bio-mechanical properties. Moreover, it helped to evaluate the impact of the galloyl moiety on the observed bioactivity. Structure elucidation was performed using ESI-MS, 1D and 2D NMR analyses. For the first time, (1)H iterative full spin analysis (HiFSA) was performed on this type of molecule, enabling a detailed proton chemical shift and coupling constant assignment. The CPC fractions as well as 1 showed promising results in the dentin stiffness bioassay and indicate that they may be used as dental intervention biomaterial.
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The Inhibitory Effects of Catechins on Biofilm Formation by the Periodontopathogenic Bacterium,Eikenella corrodens. Biosci Biotechnol Biochem 2014; 74:2445-50. [DOI: 10.1271/bbb.100499] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Jerez M, Deive FJ, Sineiro J, Núñez MJ. Antioxidant activity of pine bark procyanidins in bulk corn oil and corn oil‐in‐water emulsions. EUR J LIPID SCI TECH 2011. [DOI: 10.1002/ejlt.201100199] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- María Jerez
- Escuela Técnica Superior de Ingeniería, Universidad de Santiago de Compostela, Lope Gómez de Marzoa, Santiago de Compostela, Spain
| | - Francisco J. Deive
- Escuela Técnica Superior de Ingeniería, Universidad de Santiago de Compostela, Lope Gómez de Marzoa, Santiago de Compostela, Spain
| | - Jorge Sineiro
- Escuela Técnica Superior de Ingeniería, Universidad de Santiago de Compostela, Lope Gómez de Marzoa, Santiago de Compostela, Spain
| | - María J. Núñez
- Escuela Técnica Superior de Ingeniería, Universidad de Santiago de Compostela, Lope Gómez de Marzoa, Santiago de Compostela, Spain
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Borhaug H, Kristensen M, Brudeli B, Sontum PC, Klaveness J, Rongved P. Water‐soluble omega‐3: A concept for purification of fish oil and nutraceuticals? EUR J LIPID SCI TECH 2011. [DOI: 10.1002/ejlt.201000502] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hilde Borhaug
- Department of Pharmaceutical Chemistry, School of Pharmacy, The University of Oslo, Norway
| | - Mette Kristensen
- Department of Pharmaceutical Chemistry, School of Pharmacy, The University of Oslo, Norway
| | - Bjarne Brudeli
- Drug Discovery Laboratory AS, The Oslo Research Park, Oslo, Norway
| | | | - Jo Klaveness
- Department of Pharmaceutical Chemistry, School of Pharmacy, The University of Oslo, Norway
| | - Pål Rongved
- Department of Pharmaceutical Chemistry, School of Pharmacy, The University of Oslo, Norway
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Arola-Arnal A, Bladé C. Proanthocyanidins modulate microRNA expression in human HepG2 cells. PLoS One 2011; 6:e25982. [PMID: 21998738 PMCID: PMC3187820 DOI: 10.1371/journal.pone.0025982] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2011] [Accepted: 09/14/2011] [Indexed: 12/18/2022] Open
Abstract
Mi(cro)RNAs are small non-coding RNAs of 18-25 nucleotides in length that modulate gene expression at the post-transcriptional level. These RNAs have been shown to be involved in a several biological processes, human diseases and metabolic disorders. Proanthocyanidins, which are the most abundant polyphenol class in the human diet, have positive health effects on a variety of metabolic disorders such as inflammation, obesity, diabetes and insulin resistance. The present study aimed to evaluate whether proanthocyanidin-rich natural extracts modulate miRNA expression. Using microarray analysis and Q-PCR, we investigated miRNA expression in HepG2 cells treated with proanthocyanidins. Our results showed that when HepG2 cells were treated with grape seed proanthocyanidin extract (GSPE), cocoa proanthocyanidin extract (CPE) or pure epigallocatechin gallate isolated from green tea (EGCG), fifteen, six and five differentially expressed miRNAs, respectively, were identified out of 904 mRNAs. Specifically, miR-30b* was downregulated by the three treatments, and treatment with GSPE or CPE upregulated miR-1224-3p, miR-197 and miR-532-3p. Therefore, these results provide evidence of the capacity of dietary proanthocyanidins to influence microRNA expression, suggesting a new mechanism of action of proanthocyanidins.
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Affiliation(s)
- Anna Arola-Arnal
- Department of Biochemistry and Biotechnology, Universitat Rovira i Virgili, Tarragona, Spain.
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Neira JI, Pazos M, Maestre R, Torres JL, Medina I. Galloylated polyphenols as inhibitors of hemoglobin-catalyzed lipid oxidation in fish muscle. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:5684-5691. [PMID: 21486001 DOI: 10.1021/jf200295c] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The influence of galloyl residues on the antioxidant mechanism of polyphenols to prevent hemoglobin-promoted lipid oxidation was investigated by using polyphenolic fractions with different degrees of galloylation: nongalloylated structures from pine bark (IVP), medium-galloylated from grape pomace (IVG), and high-galloylated from witch hazel bark (IVH). Hemoglobin (Hb) from the pelagic fish horse mackerel (Trachurus trachurus) was employed as a Hb standard. In vitro experiments showed an important increase in the deoxygenation and autoxidation of horse mackerel Hb at acidic pH values. All polyphenolic fractions significantly reduced the redox stability of Hb in buffer solutions, showing a greater deoxygenation and methemoglobin (metHb) formation in the presence of IVH, followed in decreasing order by IVG and IVP. However, galloylated polyphenols (IVH and IVG) were efficient to inhibit the oxidation of the oxygenated Hb (OxyHb) and the formation of lipid oxidation products in chilled washed fish muscle. This antioxidant activity of galloylated proanthocyanidins showed a positive relationship with the phenolic concentration. Polyphenols devoid of galloyl groups (IVP) were less active to prevent either Hb oxidation or lipid oxidation in fish muscle. The results draw attention to the potential role of galloyl residues to lessen Hb-catalyzed lipid oxidation in muscle and to maintain Hb in reduced and oxygenated states, which exhibit lower pro-oxidant activity as compared to the metHb and deoxyHb species.
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Mitjans M, Ugartondo V, Martínez V, Touriño S, Torres JL, Vinardell MP. Role of galloylation and polymerization in cytoprotective effects of polyphenolic fractions against hydrogen peroxide insult. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:2113-2119. [PMID: 21294572 DOI: 10.1021/jf1025532] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Byproducts and wastes generated by agricultural, food, and forestry industries contain large amounts of polyphenols, which can be potentially used as sources of natural or semisynthetic antioxidants. This study examined and compared the protection against peroxidative damage induced in erythrocytes and 3T3 cell line of polyphenolic fractions from white grape pomace, pine bark, and witch hazel bark. The work pays special attention to the different degrees of polymerization and galloylation of the extracts to contribute to the understanding of their mechanisms of action. Fractions demonstrated different protections against erythrocyte lipid peroxidation, hemolysis, and 3T3 cytotoxicity caused by H(2)O(2). Galloylation is claimed to be related to antioxidant protective capacity, and it is also responsible for the pro-oxidant effect observed at high doses. The results show that not only the percentage of galloylation but also the degree of polymerization are important modulators of their antioxidant capacity. In this sense, it is crucial that novel polyphenolic fractions were prepared attending a value of 3 for the mean degree of polymerization and did not exceed a 30% of galloylation to reach the highest antioxidant capacity with the lowest cytotoxic effects. For this reason, the grape extracts appear to be the best strategy to fight against hydrogen peroxide cell damage.
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Affiliation(s)
- Montserrat Mitjans
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de Barcelona, Avinguda Joan XXIII s/n, 08028 Barcelona, Spain
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Pazos M, Iglesias J, Maestre R, Medina I. Structure-activity relationships of polyphenols to prevent lipid oxidation in pelagic fish muscle. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:11067-11074. [PMID: 20925315 DOI: 10.1021/jf1022302] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The influence of polymerization (number of monomers) and galloylation (content of esterified gallates) of oligomeric catechins (proanthocyanidins) on their effectiveness to prevent lipid oxidation in pelagic fish muscle was evaluated. Non-galloylated oligomers of catechin with diverse mean polymerization (1.9-3.4 monomeric units) were extracted from pine (Pinus pinaster) bark. Homologous fractions with galloylation ranging from 0.25 to <1 gallate group per molecule were obtained from grape (Vitis vinifera) and witch hazel (Hamamelis virginiana). The results showed the convenience of proanthocyanidins with medium size (2-3 monomeric units) and low galloylation degree (0.15-0.25 gallate group/molecule) to inhibit lipid oxidation in pelagic fish muscle. These optimal structural characteristics of proanthocyanidins were similar to those lately reported in fish oil-in-water emulsions using phosphatidylcholine as emulsifier. This finding suggests that the antioxidant behavior of polyphenols in muscle-based foods can be mimicked in emulsions prepared with phospholipids as emulsifier agents. The present data give relevant information to achieve an optimum use of polyphenols in pelagic fish muscle.
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Affiliation(s)
- Manuel Pazos
- Instituto de Investigaciones Marinas (CSIC), Eduardo Cabello 6, 36208 Vigo, Spain
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