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题名: Comparison of Two Chinese Medical Herbs, Huangbai and Qianniuzi, on Influence of Short Circuit Current Across the Rat Intestinal Epithelia
作者: Tsai, Jong-Chang;Tsai, S.;Chang, W.C.
贡献者: 應用運動科學所
关键词: Chinese medical herb;Ion transport;Intestinal epithelia;Short circuit current;Phellodendron spec.;Pharbitis spec.
日期: 2004-07
上传时间: 2012-04-20T02:22:44Z
出版者: Elsevier BV
摘要: Huangbai (Phellodendron spec.) and Qianniuzi (Pharbitis spec.) are two traditional Chinese medical herbs used for anti-diarrheal and laxative agents, respectively. Ethanol and water extracts of these two herbs were prepared and effects of the extracts on ion transport of the rat intestinal epithelia were studied. For measuring changes of the short circuit current across the epithelia, the rat intestinal epithelia were mounted in the Ussing chamber and attached with voltage/current clamp. The intestinal epithelia were firstly activated by serosal administration of 5 microM forskolin. As current raised and being stable, extracts of these herbs were added, respectively, and changes in the short circuit current were recorded. Ethanol extract of Huangbai attenuated the current increment; on the contrary, ethanol extract of Qianniuzi augmented the current increment additionally. Water extracts of the two herbs showed minor effects on the current in comparison to ethanol extracts. The results provide evidences to reveal the pharmacological mechanism of the two Chinese medical herbs on the intestinal tissue.
關聯: Journal of Ethnopharmacology, 93(1): 21-25
显示于类别:[應用運動科學研究所] 期刊論文


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