Influence of fungicide residues and in vitro gastrointestinal digestion on total antioxidant capacity and phenolic fraction of Graciano and Tempranillo red wines 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of Environmental Science and Health Part B Pesticides Food Contaminants and Agricultural Wastes
年/卷/期
Dec 2, 2019 / 54 / 12
ISSN号
0360-1234
语言
English
作者
Camara, Miguel A.; Martinez, Gracia; Cermeno, Sandra; Zafrilla, Pilar; Oliva, Jose
摘要
The effect of fenhexamid, mepanipyrim and cyazofamid fungicides on in vitro bioavailability of antioxidant activity and phenolic compounds of Tempranillo and Graciano red wine was studied by simulating the digestive process by dialysis in semipermeable membranes. Determination of antioxidant activity was through reaction with the DPPH center dot radical and the measurement of phenolic compounds was made with liquid chromatography with diode detector (HPLC-DAD). Fenhexamid, mepanipyrim and cyazofamid reduce the total polyphenol content in both wines. During dialysis there was a large loss of total polyphenols (80-90%) and of antioxidant activity (> 90%). The bioavailability of the phenolic compounds is lower than that for non-treated wines and the highest dialization percentages were found for stilbenes >50%. While for the remaining phenolic fraction the order is the following hydroxycinnamic derivatives >anthocyanins >flavonols.
机翻摘要
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关键词/主题词
grape -- common;grape -- Vitaceae [26940];grape -- Dicotyledones;grape -- Angiospermae;grape -- Spermatophyta;grape -- Plantae;grape -- Angiosperms;grape -- Dicots;grape -- Plants;grape -- Spermatophytes;grape -- Vascular Plants;vinification -- applied and field techniques;high performance liquid chromatography-diode array detection -- HPLC-DAD;high performance liquid chromatography-diode array detection -- laboratory techniques;high performance liquid chromatography-diode array detection -- chromatographic techniques;semipermeable membrane device -- laboratory equipment;dialysis method -- laboratory techniques;in vitro gastrointestinal digestion test -- laboratory techniques
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