作者从藏边大黄Rheum emodi Wall.根中分离、鉴定了3个新的蒽酮C-葡糖苷和3个已知的该类成分。该植物根的干燥粉末用石油醚提取3次,剩余物干燥后用甲醇提取4次。甲醇提取物在DCC 60柱上用液相色谱法分离,氯仿-甲醇梯度洗脱,得到12个部位,极性较强的部位再经多次层析分离得到7个化合物,其中有3个新的蒽酮C-葡糖苷,均为浅黄色无定形粉末,分别拟名为10-羟基美鼠李苷C The authors isolated and identified 3 new sterone C-glucosides and 3 known components from Rheum emodi Wall. The plant root dry powder was extracted 3 times with petroleum ether and the residue was dried and extracted with methanol 4 times. The methanol extract was separated on a DCC 60 column by liquid chromatography and eluted with a chloroform-methanol gradient to obtain 12 sites. The more polar sites were then subjected to multiple chromatographic separations to give 7 compounds, among which 3 were newly found. The fluorenone C-glucoside, both light yellow amorphous powders, were respectively designated as 10-hydroxymethasodrin C