Flavan -3 -ol and proanthocyanidin were determined by vanillin assay, expressed by catechin equivalents, and flavan-3-ol determined by HPLC.
香草醛法测定了黄烷-3-醇单体和原花青素的总量，HPLC法测定了黄烷-3-醇单体的含量。
Flavan -3 -ol and proanthocyanidin were determined by vanillin assay, expressed by catechin equivalents, and flavan-3-ol determined by HPLC.
香草醛法测定了黄烷-3-醇单体和原花青素的总量，HPLC法测定了黄烷-3-醇单体的含量。
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