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据文献报道,夹竹桃 Nerium indicumMill 叶子在传统医学中用于治疗毒蛇咬伤,并具有强心、利尿、抗菌、灭昆虫作用;其树皮水提物和树胶有灭昆虫和灭螺作用。作者从其叶子中分离到糖甙、甾类、萜类物质,以及各种脂肪酸和碳水化合物。为了试验夹竹桃叶子的灭螺作用,作者将水提物(干叶1.0 g/200 mL 水)及乙醇提取物(7.75%)用硅胶柱层析,分离得精制部位,主要成分为夹竹桃甙(oleandrin),以此部位和夹竹桃甙精制品进
According to reports in the literature, Nerium indicum Mill leaves are used to treat snakebite in traditional medicine and have strong heart, diuretic, antibacterial and insect-killing effects. The bark extracts and gums have insect and snail control effects. The authors isolated sugar glycosides, terpenoids, terpenoids, and various fatty acids and carbohydrates from their leaves. In order to test the control effect of oleander leaves, the author extracted the water extract (dry leaf 1.0 g/200 mL water) and ethanol extract (7.75%) on silica gel column to separate the refined parts. Oleandrin, this part and oleander fine