Dimeric prodelphinidins from Limonium gmelinii roots. III.
作者:G. E. Zhusupova、S. A. Abil’kaeva
DOI:10.1007/s10600-006-0068-8
日期:2006.3
Two dimeric proanthocyanidines identified as 2R,3R,4R-(-)-epigallocatechin-(4β→ 8)-2R,3R-(-)-epigallocatechin-3-O-gallate and 2R,3R,4R-(-)-epigallocatechin-(4β→8)-(-)-2R,3R,3,5,7,3′,4′,6′-hexahydroxyflavan were isolated by adsorption chromatography over polyamide of the ethylacetate fraction of the aqueous alcohol extract of Limonium gmelinii roots. The former proanthocyanidine was isolated for the first time from sea lavender whereas the latter is new.
通过聚酰胺吸附色谱法从Limonium gmelinii根的水醇提取物的乙酸乙酯部分中分离出两种二聚原花青素,分别鉴定为2R,3R,4R-(-)-表没食子儿茶素-(4β→ 8)-2R,3R-(-)-表没食子儿茶素-3-O-没食子酸酯和2R,3R,4R-(-)-表没食子儿茶素-(4β→ 8)-(-)-2R,3R,3,5,7,3′,4′,6′-六羟基黄烷。前者首次从海薰衣草中分离得到,而后者是一种新化合物。