「雪蓮花」類薬物の生薬学的研究(第2報) : Saussurea属Eriocoryne亜属植物に由来する漢薬「雪蓮花」及びチベット薬物"Bya-rgod sug-pa"の基源について

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vThe Chinese crude drug "Xuelianhua," which is known as "Bya-rgod sug-pa" in the Tibetan Medicine and as "Tage leylishi" in the Uygur Medicine, is used for rheumatoid arthritis, menoxenia, etc. The botanical origins of these drugs are said to be flowering whole plants or aerial parts of about 18 species of the subgenus Eriocoryne with long woolly hair and of subgenus Amphilaena with large and thin bract, of the genus Saussurea of the family Compositae. In most cases, it is almost impossible to identify their origins by their external morphologies, since the flowers and cypselae break easily during maturation after harvesting. In order to identify the botanical origins of about 50 commercial samples of "Xuelianhua" and its related ethnomedicines, a series of pharmacognostical studies were performed. In this paper, to identify 37 commercial samples of them, which are apparently derived from plants with long woolly hair, a comparative microscopical study was carried out on the leaves, stems and rhizomes of 12 species of Eriocoryne plants. These 12 species could be distinguished from each other by the differences in leaf [number of vascular bundles in the midrib, appearance of stomata on adaxial epidermis and glandular hairs on both epidermises, degree of roughness of anticlinal wall of epidermal cells], in stem [maximum diameter of vessels] and in rhizome [kind of tissue opposite to xylem, etc.]. On the basis of the results, all the 37 commercial samples examined were determined to be derived exclusively from one or two of the following species: 5. medusa, S. laniceps, S. tridactyla, S. namikawae, and 5. gossypiphora.
日本生薬学会の論文
1997-04-20

「雪蓮花」類薬物の生薬学的研究(第2報) : Saussurea属Eriocoryne亜属植物に由来する漢薬「雪蓮花」及びチベット薬物"Bya-rgod sug-pa"の基源について

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