马钱子(Strychnos nuxvomica)种子含总生物碱2.6-5.3%,其中马钱子碱为40-45%,其余多半是番木鳖碱。马钱子碱及其盐类可用于扑灭啮齿动物和食肉动物,诱捕毛皮动物和作为中枢神经系统的兴奋剂。番木鳖碱及其盐类用于变性酒精和石油,当作分析试剂和用来分离外消旋混合物。本文是介绍用溶剂萃取马钱子种子内所含的生物碱马钱子碱和番木鳖碱的一个改进 The seeds of Strychnos nuxvomica contain 2.6-5.3% of total alkaloids, of which brucine is 40-45%, and the rest is mostly strychnine. Brucine and its salts can be used to extinguish rodents and carnivores, trap fur animals and act as stimulants in the central nervous system. Sarin and its salts are used to denaturate alcohol and petroleum as analytical reagents and to separate racemic mixtures. This article presents an improvement in the extraction of strychnine and strychnine, the alkaloids contained in the seed of Strychnos n