For these phenolic compounds are epigallocatechin gallate is the main flavanol in dried green tea .

这些酚类化合物的分子式为:表儿茶素酸酯是干绿茶中的主要黄烷醇。

Hershey co.has touted that its namesake cocoa and special dark versions of chocolates are natural sources of flavanol antioxidants .

好时公司（hersheyco.）则夸耀称，其好时可可粉和好时特浓黑巧克力是黄烷醇抗氧化剂的天然来源。