3.8 Article

POLYPHENOLS ISOLATION AND DETERMINATION IN GRAPE SEEDS BY HPLC/DAD

Journal

JOURNAL OF SCIENCE AND ARTS
Volume -, Issue 1, Pages 107-112

Publisher

EDITURA BIBLIOTHECA-BIBLIOTHECA PUBL HOUSE

Keywords

grape seeds; HPLC/DAD method; phenolic compounds; E-resveratrol.

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Polyphenolic compounds were determined from an extractive solution of grape seeds (Black Magic variety). Separation of the phenolic compounds was done by an adapted USP30 HPLC method. The following phenolic compounds were founded: ellagic acid, gallic acid, E-resveratrol, chlorogenic acid, felluric acid, vanillin and caffeic acid. The highest amount of phenolic compounds in grape seeds reaches the value of 2312.737 mg ellagic acid/100g dry seeds of Black Magic grape variety

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