Methods total alkaloids in Nitraria was extracted by acid-base and the content of total alkaloids was determined by the acidic dyecolorimetry.
方法采用酸碱提取法提取总碱,以硫酸阿托品为对照品,酸性染料比色法测定白刺总生物碱的含量。
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METHODS: The contents of total alkaloids, diester diterpenoid alkaloids and polysaccharides were measured by aciddyecolorimetry, HPLC and sulphuric acid-anthrone colorimetric method respectively.