Polyphenols in Wine and Food

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A method is presented for the analysis of epicatechin (EC), epigallocatechin (EGC), epigallocatechingallate (EGCG), myricetin, quercetin, keampferol and cis and trans resveratrol. An ALEXYS Analyzer is used with a binary gradient. Detection limits of 2-5 nmole/L have been obtained.