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暴马子皮的鉴别方法与含量测定

ว 2026-09-09 23:09:14ที่ 鉴别方法เ 中国国际医疗服务系统
暴马子皮药材呈槽状或卷筒状,长短不一,厚2~4mm。外表面暗灰褐色,嫩皮平滑有光泽,老皮粗糙有横纹;横向皮孔椭圆形,暗黄色;外皮薄而韧,可横向撕剥,剥落处显暗黄绿色。内表面淡黄褐色。质脆易折断,断面不整齐。气微香,味苦。鉴别:取粉末0.5g加甲醇20ml超声处理20分钟,以紫丁香苷为对照品,照薄层色谱法试验,以三氯甲烷-甲醇(5:1)为展开剂,喷以10%硫酸乙醇溶液,在105℃加热至斑点显色清晰。检查:水分不得过12.0%,总灰分不得过5.0%。浸出物:醇溶性浸出物不得少于20.0%。含量测定:照高效液相色谱法测定,含紫丁香苷不得少于1.0%。
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