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路路通鉴别方法详解

ว 2026-09-10 11:57:11ที่ https://www.yaopinnet.com/biaozhun/pdf1/1632653u.pdfเ admin

路路通为金缕梅科植物枫香树的干燥成熟果序,又称枫果、狼目、九孔子,其鉴别方法包括性状鉴别和理化鉴别。

一、性状鉴别。本品为聚花果,由多数小蒴果集合而成,呈球形,直径2-3cm。基部有总果梗。表面灰棕色或棕褐色,有多数尖刺及喙状小钝刺,长0.5-1cm,常折断,小蒴果顶部开裂,呈蜂窝状小孔。体轻,质硬,不易破开。气微,味淡。以个大、色黄、无杂质者为佳。

二、显微鉴别。粉末棕褐色。纤维管胞成束,长梭形,直径10-20μm,壁较厚,纹孔口呈人字形或十字形。石细胞类方形、类长方形或不规则形,直径20-50μm,壁厚,孔沟明显。果皮表皮细胞表面观呈多角形,垂周壁波状弯曲。

三、薄层色谱鉴别。取本品粉末1g,加甲醇10ml,超声处理30分钟,滤过,滤液作为供试品溶液。另取路路通对照药材1g,同法制成对照药材溶液。照薄层色谱法试验,以三氯甲烷-甲醇(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、含量测定。按干燥品计算,含路路通酸不得少于0.15%。

五、产地分布。路路通主产于江苏、浙江、安徽、福建、广东等地。冬季果实成熟后采收,除去杂质,晒干。

六、贮藏。置干燥处。

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