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土茯苓和粉薢为临床常用中药。土茯苓来源于百合科植物光叶(艹拨)葜 smilaxglabra Roxb 的干燥根茎,具有除湿解毒、通利关节的功效。粉蓖薢来源于薯蓣科植物粉背薯蓣Dioscorea hypoglauca polibin 的干燥根茎,具有利湿去浊,祛风除痹的作用。二者的原植物来源虽然不是同一科属,但其饮片的外观性状特征等却很相似;若不注意区别则容易引起混淆,而影响药物疗效。为了临床用药准确无误,现将二饮片的性状鉴别、粉末显微鉴别和理一、土茯苓与粉蓖薢饮片性状鉴别比较表
Earthworms and whiteflies are commonly used in clinical medicine. Smilax glabra Roxb is derived from the dried rhizomes of the light leaves of the Liliaceae plant, Smilax glabra Roxb. It has the functions of dehumidification, detoxification, and tonic joints. The whitefly is derived from the dried rhizomes of Dioscorea hypoglauca polibin, a dioscorea plant, and has the function of dewetting, removing turbidity, and removing maggots. Although the original source of the two plants is not the same family, the appearance characteristics of the decoction pieces are similar; if they do not pay attention to the differences, they are likely to cause confusion and affect the efficacy of the drugs. In order to accurately use clinical drugs, the traits identification, powder microscopic identification, and comparison of the characteristics of Diyi, Smilax china, and Fenfenqi pieces are now to be compared.