大葱Allinm fistulosum)是一种多年生植物,分布广泛,叶可以以食用。在中国,大葱球茎和根用于治疗头痛、发热、腹痛、腹泻、蛇咬,眼疾和习惯性流产等多种疾病,同时还具有抗真菌和细菌的作用。本文介绍了以大葱的地下部分得到两种已知的薯蓣甙和三种新的丝兰皂甙元(1-3)的分离及结构的鉴定。干燥的大葱球状茎和根(10kg)用热的甲醇回流提取三次,每次12h。提取液减压浓缩后的残渣(615g)悬浮于水中,相继用氯仿 Scallion Allinm fistulosum) is a perennial plant that is widely distributed and leaves can be eaten. In China, green onion bulbs and roots are used to treat headaches, fever, abdominal pain, diarrhea, snake bites, eye diseases and habitual abortions, and also have antifungal and bacterial effects. This article describes the isolation and identification of two known yam and three new yucca saponins (1-3) from the underground part of Welsh onion. The dried scallop bulbs and roots (10 kg) were extracted with hot methanol three times for 12 h. The residue after decompression and concentration of the extract (615 g) was suspended in water and successively treated with chloroform