Investigating the biological activities of extracts from winery by-products

Christine Fuchs Bonn Polyphenols 2018

During the 12th World Congress on Polyphenols Applications: Bonn Polyphenols 2018 , Christine fuchs, from Technische Universitaet Kaiserslautern, Kaiserslautern, Germany will talk about "Investigating the biological activities of extracts from winery by-products".

Talk summary: Winery by-products, such as pomace, stem, grapevine leaves and shoots, arise in high amounts during the wine-making process. Due to high contents of secondary plant metabolites, such as polyphenols, their usage as sources of bioactive compounds offers an opportunity to obtain value-added products from these by-products for the food, cosmetics and pharmaceutical industry. The aim of the present study was to investigate extracts from winery by-products of vitis vinifera L. cv. Riesling concerning their chemical composition and biological activities in vitro. Effects on cell viability, intracellular ATP, the mitochondrial membrane potential (MMP) and intracellular ROS were determined in the human hepatocarcinoma cell line HepG2.

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