Changes in the antioxidant activity of polyphenols from grape pomace after interaction with UV radiation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F15%3A00002986" target="_blank" >RIV/46747885:24410/15:00002986 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.15240/tul/004/2015-1-008" target="_blank" >http://dx.doi.org/10.15240/tul/004/2015-1-008</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.15240/tul/004/2015-1-008" target="_blank" >10.15240/tul/004/2015-1-008</a>

Result language
angličtina
Original language name
Changes in the antioxidant activity of polyphenols from grape pomace after interaction with UV radiation
Original language description
The aim of the study was to determine changes in the content of polyphenols and their antioxidant activity after interaction with UV radiation. An aqueous extract of grape pomace was used as a source of the tested polyphenols. Due to the differences between coloured monomeric anthocyanins and polymeric condensed tannins there were tested extracts from the skins and seeds separately. It was shown that despite the light instability of coloured anthocyanins a high content of total polyphenols remained in these solutions, and also their ability to destroy free radicals remained high even after 24 hours of exposure to UV radiation.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CE - Biochemistry
OECD FORD branch
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Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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