Method: acid base titration and colorimetric method of acid dye were used.

方法：采用容量法和酸性染料比色法。

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METHODS: The contents of total alkaloids, diester diterpenoid alkaloids and polysaccharides were measured by acid dye colorimetry, HPLC and sulphuric acid-anthrone colorimetric method respectively.

方法：采用酸性染料比色法测定附子总生物碱含量，反相高效液相色谱法测定双酯型生物碱含量，蒽酮-硫酸法测定多糖含量。

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Objective: to compare the two methods of content determination for total alkaloids in Tonkin Sophora root. Method: acid base titration and colorimetric method of acid dye were used.

前言：目的：比较山豆根总碱两种含量测定方法，为山豆根提取工艺优选提供参考。

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