A new flavan named 4α, 5-dimethoxy-8-formyl-7-hydroxy-6-methylflavan (1) was isolated from Sinacalia tangutica. Its str......

从小叶榕（Ficus microcarpa L.）叶的乙醇提取物中首次分离鉴定了（＋）（2R,3S）阿夫儿茶素（1）、（-）（2R,3R）表阿夫儿茶素（2）、（-）（2R,3S）阿夫儿茶素-（4α-8）（2R......

【目的】探讨中国野生葡萄果皮中黄烷-3-醇类物质的组成及含量的差异,为中国野生葡萄的加工利用及种质资源的评价提供依据。【方法......

A new flavan named 4α, 5-dimethoxy-8-formyl-7-hydroxy-6-methylflavan (1) was isolated from Sinacalia tangutica. Its str......