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五灵脂鉴别方法详解

ว 2026-09-10 11:34:55ที่ https://m.baike.com/wiki/%E4%BA%94%E7%81%B5%E8%84%82/508990เ admin

五灵脂为鼯鼠科动物复齿鼯鼠的干燥粪便,其鉴别方法包括性状鉴别和理化鉴别。

一、性状鉴别。灵脂块:呈不规则的块状,大小不一。表面黑棕色、黄棕色或灰棕色,凹凸不平,有油润性光泽。质硬,断面黄棕色或棕褐色,不平坦,有的可见粪粒。气腥臭,味苦。灵脂米:呈长椭圆形颗粒,长0.5-1.5cm,直径0.3-0.6cm。表面黑棕色、灰棕色或棕褐色,较平滑或微粗糙,常可见浅色的斑点,有的具有光泽。体轻,质松,易折断,断面黄绿色或黄褐色,不平坦,纤维性。气微,味微苦咸。以表面粗糙、外表黑棕色、断面黄绿色、体轻无杂质者为佳。

二、显微鉴别。粉末黄棕色。粪便颗粒呈不规则形,表面有纹理。树脂团块黄棕色,半透明。导管为螺纹或网纹导管。

三、薄层色谱鉴别。取本品粉末1g,加乙醚10ml,振摇,滤过,滤液作为供试品溶液。另取五灵脂对照药材1g,同法制成对照药材溶液。照薄层色谱法试验,以石油醚(60-90℃)-乙酸乙酯(9:1)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。五灵脂为鼯鼠的粪便,灵脂块呈不规则的块状,表面黑棕色,有油润性光泽,质硬,气腥臭,味苦。灵脂米呈长椭圆形颗粒,表面黑棕色,体轻,质松,断面黄绿色,气微,味微苦咸。伪品多为其他动物的粪便或伪造品,形状、颜色、气味不同。

五、产地分布。五灵脂主产于河北、山西、陕西、甘肃、青海等地。全年可采,除去杂质,晒干。

六、贮藏。置干燥处。

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