Flavan-3-ols, oligomeric proanthocyanidins, hydrolyzable tannins, depsides and building blocks of tannins tested for antiviral activity.

1purity was determined by quantitative HPLC (area %),2IPBP: Institute of Pharmaceutical Biology and Phytochemistry.Flavan-3-ols, oligomeric proanthocyanidins, hydrolyzable tannins, depsides and building blocks of tannins tested for antiviral activity.

1. 纯度通过定量高效液相色谱法（HPLC）以面积百分比进行测定。2. IPBP：药物生物学与植物化学研究所（Institute of Pharmaceutical Biology and Phytochemistry）。针对黄烷-3-醇（Flavan-3-ols）、低聚原花青素（oligomeric proanthocyanidins）、可水解单宁（hydrolyzable tannins）、缩酚酸（depsides）及单宁结构单元，均已开展抗病毒活性测试。