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蛇胆汁鉴别方法详解

ว 2026-09-10 11:57:12ที่ https://mpa.ah.gov.cn/download/5a654387e4b084f6479f4c72เ admin

蛇胆汁为蛇的胆汁,其鉴别方法包括性状鉴别和理化鉴别。

一、性状鉴别。蛇胆汁呈棕黄色或黄绿色的液体,味极苦,有特殊的腥气。以颜色黄绿、味极苦、无杂质者为佳。

二、理化鉴别。取蛇胆汁少量,加醋酐-硫酸试剂,初显蓝紫色,渐变为污绿色。(检查甾体)取蛇胆汁少量,加乙醇溶解,加糠醛和硫酸,加热显红紫色。(检查胆汁酸)

三、薄层色谱鉴别。取蛇胆汁少量,加甲醇溶解,作为供试品溶液。另取胆酸对照品,加甲醇制成每1ml含1mg的溶液,作为对照品溶液。照薄层色谱法试验,以异辛烷-乙酸乙酯-冰醋酸(15:7:5)为展开剂,喷以10%硫酸乙醇溶液,在105℃加热至斑点显色清晰。

四、与伪品的鉴别。蛇胆汁呈棕黄色或黄绿色的液体,味极苦,有特殊的腥气。伪品多为其他动物的胆汁,颜色、气味不同。

五、产地分布。蛇胆汁主产于广东、广西、海南等地。全年均可采集,取蛇胆,取出胆汁,用白酒浸泡保存。

六、贮藏。置阴凉干燥处,密闭保存。

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