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目的:规范白及的药材市场,建立代用品与正品白及之间的鉴定指标。方法:通过基原、性状、显微鉴别比较代用品与正品白及的异同。结果:代用品为小白及Bletilla formosana(Hayata)Schltr.、筒瓣兰Anthogonium gracile Lindl.、苞舌兰Spathoglottis pubescens Lindl.、高褶带唇兰Tainia viridifusca(Hook.)Benth.et Hook.f.。5种药材显微结构上有许多共性,但淀粉粒的形状、大小和数量,维管束类型、大小及黏液细胞大小,可作为白及与其代用品的鉴定指标。结论:研究结果建立了代用品与正品白及之间的鉴定指标,可为规范白及药材市场品种提供参考。
Objective: To standardize the market of Chinese medicinal herbs and establish the identification index between substitute and authentic white. Methods: The similarities and differences between substitutes and authentic white and white were compared by basic, character and microscopic identification. RESULTS: Substitutes were Bleulass formosana (Hayata) Schltr., Anthogonium gracile Lindl., Spathoglottis pubescens Lindl., Tainia viridifusca (Hook.) Benth.et Hook.f. . The five kinds of medicinal materials have many similarities in their microstructure. However, the shape, size and number of starch granules, the type and size of vascular bundles, and the size of mucus cells can be used as identification indexes for white and its substitutes. Conclusion: The research results establish the identification index between substitutes and authentic white and can provide references for the standard white and medicinal materials market.