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Comparative authentication of crude drugs from subgenus Asarum species in China based on microscopic features

Journal of Chinese Pharmaceutical Sciences 2020年第12期29卷 855-867页

作者： Yaoli Li Zhong Liu Jie Yu Mingying Shang Baibo Xie Feng Xu Shao-Qing Cai Division of Pharmacognosy School of Pharmaceutical SciencesPeking University Health Science CenterBeijing 100191China School of Pharmacy Shanghai Jiao Tong UniversityShanghai 200240China School of pharmacy Yunnan University of Chinese MedicineKunming 650500China Fushun Longsheng Biotechnology Co. Ltd.Fushun 113007China

According to the Chinese Pharmacopoeia,the Chinese medicinal material(Asari Radix et Rhizoma)xixin is derived from the species Asarum heterotropoides ***,***,and *** ***,many species of the genus Asarum are labeled as"xixin","Tu-xixin",or"Nan-xixin"for sale in producing *** distinguish Chinese Asarum species and to ensure their safety and efficacy,we examined the microscopic characteristics of *** plants in China(including *** plants in the classification system of Flora Reipublicae Popularis Sinicae and the later published Asarum yunnanense)using a hand microtome and a microscopic digital imaging system based on our previous *** features of the blades,petioles,and roots of *** were investigated for the first ***,we compared nine species and one variety of the ***(i.e.,***,***,***,***,***,***,***,***,*** *** and ***)in China based on microscopic characteristics of the *** parameters,such as morphological characteristics and distribution of hairs on both upper and lower leaf epidermises;morphological characteristics of hair cells;anticlinal walls of lower epidermal cells;size relationship between outer periclinal walls and cavity outlines of oil cells on lower leaf epidermis;presence or absence of the irregular cells containing red to brown substances among mesophyll cells;and the diameter of the largest vessels in midribs of the blades,were used for discrimination among *** the best of our knowledge,we provided the first identification key for the 10 taxa based on blade microscopic characteristics that could be used to distinguish these *** on the key,23 commercial samples collected from seven provinces of China were authenticated as whole dried herbs of ***,***,***,*** and ***

关键词： Authentication Microscopic characteristics xixin Subg.Asarum Asarum yunnanense

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