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棕板与陈棕是常用中药,分别为棕榈科植物棕榈Trachycarpus fortunei(Hook.f.)H.Wendl。的叶柄下延部分和陈久的纤维。市售商品统称棕榈。该药始载于唐《本草拾遗》,李时珍将其收入《本草纲目》木部乔木类。具收敛、止血、降压等功效,临床用于吐血、鼻血、尿血、便血、子宫出血等内出血症。据报导棕板含有酚类化合物,陈棕富含鞣质,笔者复核对比证实,但未见有关二者显微性状与薄层层析的文献。鉴于类似药材在性状方面每易混误,笔者感到采用显微性状与薄层层析,结合性状鉴别作为鉴别药材真伪的方法有其实用意义,为此将自己所作的肤浅工作报道如下。
Brown and brown are commonly used traditional Chinese medicines. They are Palm Trachycarpus fortunei (Hook.f.) H. Wendl. The petiole descends on the part and Chen Jiu’s fiber. Commercially available products are collectively referred to as palm. The drug was originally contained in Tang’s “Herbal Supplement,” and Li Shizhen collected it from the “Compendium of Materia Medica” arbors. With convergence, hemostasis, blood pressure and other effects, clinically used for vomiting, nosebleeds, hematuria, blood in the stool, uterine bleeding and other internal bleeding. It has been reported that brown boards contain phenolic compounds and Chenopodium brown is rich in tannins. The authors verified the results by comparison and review, but there was no literature on the microscopic properties and thin layer chromatography of the two. In view of the miscibility of similar medicinal materials in terms of traits, I feel that the use of microscopic traits and thin-layer chromatography combined with trait identification as a means of authenticating the authenticity of medicinal herbs has practical significance. Therefore, the superficial work she has done is reported below.