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天花粉是常用中药,有生津止渴,排脓消肿的功能。《药典》一九九○版收载为葫芦科植物栝楼Trichosanthes kirilowii Maxim.或日本栝楼T.japonica Resel的干燥根。目前,医药市场出售及使用的品种较混乱,笔者在本地区内抽样质检过程中发现天花粉有两种混伪品,分别为葫芦科栝楼属植物长萼栝楼Tricho-sinthes sinopunctata C.Y.chenget C.H.yueh和红花栝楼Trichosanthes rubriflos Thorel exCayla的根。现将它们与正品进行薄层鉴别。1 实验材料
Trichosanthus is a commonly used traditional Chinese medicine, which has the function of thirst, swelling and pus. The 1990 edition of the Pharmacopoeia contains dried roots of Trichosanthes kirilowii Maxim. or T.japonica Resel. At present, the varieties sold and used in the pharmaceutical market are relatively confusing. In the process of sampling and quality inspection in the local area, the author discovered that there are two types of trivial products of trichosanthin, namely Tricho-sinthes sinopunctata CYchenget CH. The roots of yueh and safflower Trichosanthes rubriflos Thorel exCayla. Now they are used for thin layer identification with authentic products. 1 Experimental materials