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山石榴是茜草料植物山石榴树Randia dumetorum Lam.的果实,民间用为催吐剂。作者对全果实进行了研究,对三萜烯类、β-谷甾醇及一种新皂甙做了分离和报导。溶血指数:8450三萜烯类化合物的分离:果实粉末以石油醚(b.p.60°—80℃)回流提取12小时,浸液放置过程,在烧瓶壁上析出一种白色无定形物质,熔点225°—227℃,含量0.04%。该物质具有三萜烯类的彥色反应,加醋酐和一滴硫酸后,其彥色由红变紫、蓝紫,并最后成绿
Mountain pomegranate is the fruit of the alfalfa plant Pomegranate tree Randia dumetorum Lam. It is used as an emetic. The authors studied the whole fruit and isolated and reported triterpenes, β-sitosterol and a new saponin. Hemolytic index: 8450 Isolation of triterpenoids: The fruit powder was extracted by refluxing with petroleum ether (bp 60°-80°C) for 12 hours. During the immersion bath, a white amorphous substance was precipitated on the wall of the flask. Melting point 225° - 227 °C, content 0.04%. The substance has an anthraquinone reaction of triterpenes. After addition of acetic anhydride and a drop of sulfuric acid, its color changes from red to violet, blue-violet, and finally to green.