夹竹桃科夹竹桃属植物Nerium odorum的根用于蛇伤、关节痛、慢性腹痛及麻疯病。对其根皮的系统化学研究尚未见报道,仅有人从其皮中分到一些强心甙、夹竹桃甙A～H。本文作者从该植物的根皮中分离得β-谷 Apocynaceae Nerium odorum roots are used for snakebite, joint pain, chronic abdominal pain and leprosy. Systematic and chemical studies of its root bark have not been reported, only one person from the skin to some cardiac glycosides, oleandrin A ~ H. The authors isolated β-troughs from the bark of the plant