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作 者:Selva Muthukumaran Carole Tranchant John Shi Xingqian Ye Sophia Jun Xue
机构地区:[1]Department of Food Science and Post-Harvest Technology,Institute of Technology,Haramaya University,Post Box 138,Dire Dawa,Ethiopia [2]School of Food Science,Nutrition and Family Studies,Faculty of Health Sciences and Community Services,Universitéde Moncton,Moncton,New Brunswick E1A 3E9,Canada,***Guelph Research and Development Center,Agriculture and Agri-Food Canada,93 Stone Road West,Guelph,Ontario N1G 5C9,Canada [3]School of Biosystems Engineering and Food Science,Zhejiang University,Hangzhou,China
出 处:《Food Quality and Safety》2017年第4期227-252,共26页食品品质与安全研究(英文版)
摘 要:Ellagic acid(EA)is one of the plant phenolics associated with human health benefits.It derives from ellagitannins found in some nuts,seeds,and fruits,especially berries.Strawberries are considered a functional food and nutraceutical source,mainly because of their high concentration of EA and its precursors.This review presents the current state of knowledge regarding EA,focusing on its content in strawberry plants,stability during processing and storage of strawberry-based foods,production methods,and relevance to human health.As alternatives to acid-solvent extraction,fermentation-enzymatic bioprocesses hold great promises for more eco-efficient production of EA from plant materials.Strawberry fruits are generally rich in EA,with large variations depending on cultivar,growth conditions and maturity at harvest.High EA contents are also reported in strawberry achenes and leaves,and in wild strawberries.Strawberry postharvest storage,processing and subsequent storage can influence EA content.EA low concentration in strawberry juice and wine can be increased by incorporating pre-treated achenes.Widespread recognition of strawberries as functional foods is substantiated by evidence of EA biological effects,including antioxidant,antiinflammatory,antidiabetic,cardioprotective,neuroprotective,and prebiotic effects.The health benefits attributed to EA-rich foods are thought to involve various protective mechanisms at the cellular level.Dietary EA is converted by the intestinal microbiota to urolithins,which are better absorbed than EA and may contribute significantly to the health effects attributed to EA-rich foods.Based on the evidence available,strawberry EA shows strong promises for functional,nutraceutical,and pharmaceutical applications.Future research should be directed at quantifying EA in different parts of the strawberry plant and in their byproducts;optimizing EA production from byproducts;understanding the biological actions of EA-derived metabolites in vivo,including the interactions between EA metabolites,o
关 键 词:Strawberry plant Ellagic acid Processing METABOLISM Bioacti
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