【摘要】 报道了以双波长分光光度法同时测定马钱子中马钱子碱、士的宁含量。本法可消除马钱子碱和士的宁相互间的干扰,可用作生药及其炮制品质量控制手段,分析了法定方法中存在的问题。考察了马钱子碱和士的宁对热稳定性,探讨了马钱子炮制减毒的机理。更多还原

【Abstract】 The paper reports the experimental result of the simultaneous quantitative determination of strychnine (ST) and brucine(BR) in Semen Strychni by dual wavelength spectrophotometry. The result shows that there are some deviations in the official method, because the wavelength combination might not have been chosen rightly and the correet coefficient is inconsistent with the facts. We have made a study of the thermal stability of ST and BR, too. On this basis a baking principle for Semen trychni is spelt out.更多还原