Postharvest UV-A and UV-B treatments may cause a transient decrease in grape berry skin flavonol-glycoside contents and total antioxidant capacities

Kristóf Csepregi,László Kőrösi,Péter Teszlák,Éva Hideg

Phytochemistry Letters（2019）

引用 8|浏览8

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摘要

•Postharvest UV-treatments decreased berry skin quercetin-glycoside contents.•UV-A and UV-B had the same transient effects after 2 h.•UV increased peroxidase activity but decreased non-enzymatic antioxidant capacities.•Total antioxidant capacity correlated with flavonol but not with phenolic acid content.

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关键词

ABTS,CA,DAB,FCR,FRAP,TAC,TEAC,Trolox,TPTZ,Que‐glc,Que‐gln

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