ネパール産カギカズラ属植物Uncaria scandensの形態とアルカロイド成分
スポンサーリンク
概要
- 論文の詳細を見る
Hooks with short stems of Uncaria spp. of the family Rubiaceae are called Diao-teng-gou, and have been used in Chinese medicine. The alkaloids contained are considered to be its effective components. Anatomical studies of the small stems of U. scandens and of U. sessilifructus Roxb. showed that the botanical origin of the hooks with short stems collected in the Far West Nepal was U. scandens (SMITH) HUTCH. The anatomical diagnostics of the two species were as follows; U. scandens had hairy epidermis, smooth cuticle and no cortical sclerenchyma cell, whereas U. sessilifructus had few short hairs, dented cuticle and many cortical sclerenchyma cells. The alkaloids contained in the materials from the Far West Nepal were of oxindole type, such as pteropodine, isopteropodine, uncarine F and speciophilline. Chinese Diao-teng-gou from Guizhou Prov. of China was morphologically determined as a mixture of the hooks of U. rhynchophylla and U. lancifolia. U. rhynchophylla contained alkaloids such as geissoschizine methyl ether, hirusteine and hirsutine, (a previous report gave different results), whereas U. lancifolia contained isomitraphylline as its single major alkaloid. The result of this study shows marked variations in the alkaloid profiles in the hooks of the plants of this genus.
- 日本生薬学会の論文
- 1994-06-20
著者
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津田 喜典
金沢大学
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坂井 進一郎
千葉大院薬
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木内 文之
金沢大学薬学部生薬学教室
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津田 喜典
金沢大学薬学部
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御影 雅幸
金沢大学薬学部
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坂井 進一郎
千葉大学薬学部
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木内 文之
慶應義塾大学薬学部
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木内 文之
金沢大学薬学部
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