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从海风藤(Piper wallichii(Mig)]Hand-Mazz中,分离出8种结晶,根据其理化性质,并经紫外、红外、核磁、质谱等光谱分析,分别鉴定为丁香酸(Syringic acid)、香草酸(Vanillic acid)、d-芝麻素(d-Sesamin)、β-(β-谷甾醇(β-Sitosterol)、β-谷甾醇葡萄糖甙(β-Sitosteryl-D-Glucoside)、二十六烷(Hexacosane)、蜡酸(Cerotic acid)。其中结晶Ⅴ的化学结构有待最后确定。
Eight kinds of crystals were isolated from Piper wallichii (Mig) Hand-Mazz. According to their physicochemical properties, they were identified by ultraviolet, infrared, nuclear magnetic, mass spectrometry and other spectral analysis to identify Syringic acid and vanillin respectively. Vanillic acid, d-Sesamin, β-(β-Sitosterol), β-Sitosteryl-D-Glucoside, Hexacosane ( (Hexacosane), Certic acid, in which the chemical structure of crystallized V is to be finalized.