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笔者在工作实践中发现熊胆按照《进口药材部标准》(以下简称“进标”)WS4-11-86检验时,鉴别项:用薄层层析法鉴别有无熊去氧胆酸成分,结果不易分辨天然熊胆,或为其他胆加入的合成熊去氧胆酸成分。(如市售熊去氧胆酸片);检查牛、羊胆项:“进标”未用任何游离型胆甾酸对照品,且供试液是非水解溶液,展开系统是用于展开结合型胆甾酸的。结果无法判断,样品所显斑点哪些是与胆酸、去氧胆酸、熊去氧胆酸、鹅去氧胆酸斑点一致外的其它与
The author found in the work practice bear gall bladder in accordance with the “imported medicinal herbs department standards” (hereinafter referred to as “advanced standard”) WS4-11-86 test, identification: use thin layer chromatography to identify whether ursodeoxycholic acid composition, As a result, it is difficult to distinguish natural bear bile, or synthetic ursodeoxycholic acid components added to other bile. (Such as the commercial ursodeoxycholic acid tablets); Check cattle, sheep gallbladder items: “Advance the standard” did not use any free type of cholesteric acid reference substance, and the test solution is a non-hydrolyzed solution, the deployment system is used to expand the combined type Bile acid. The results could not be judged. What were the spots in the samples were those which were consistent with the spots of cholic acid, deoxycholic acid, ursodeoxycholic acid, and chenodeoxycholic acid?