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蕤仁的药材鉴别

ว 2026-09-10 09:16:02ที่ https://www.dayi.org.cn/cmedical/303040เ admin

蕤仁的药材性状鉴别:果核呈扁心脏形或扁卵形,两侧略不对称,长7-10mm,宽6-8mm,厚3-5mm。表面浅棕色至暗棕色,有深色网状沟纹,常有棕褐色果肉残留。质坚硬,敲开果核后,可见种子为扁平的类圆形或心脏形,长6-7mm,宽约5mm,厚约2mm,种皮红棕色,膜质,两面有深色纵脉纹3-5条,尖端侧有淡色短种脐,圆端有合点,两者之间有深色种脊;子叶白色肥厚,油质,气无、味微苦。以浅棕色、颗粒饱满肥厚、表面纹理清楚者为佳。显微鉴别方面,蕤仁粉末可见种皮表皮细胞、子叶细胞、油滴等特征。理化鉴别采用薄层色谱法,取本品粉末2g,加石油醚超声处理,弃去石油醚液,药渣挥干后加无水乙醇超声处理,滤液蒸干,残渣加无水乙醇溶解作为供试品溶液。另取熊果酸对照品制成对照品溶液。以石油醚-丙酮(5:2)为展开剂,展开后喷以10%硫酸乙醇溶液,在100℃加热至斑点显色清晰。供试品色谱中在与对照品色谱相应的位置上显相同颜色的斑点。

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