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NCUEIR > College of Social Science and Physical Education > ss > Periodical Articles > Item 987654321/9764

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/9764

Title:	Comparison of Two Chinese Medical Herbs, Huangbai and Qianniuzi, on Influence of Short Circuit Current Across the Rat Intestinal Epithelia
Authors:	Tsai, Jong-Chang;Tsai, S.;Chang, W.C.
Contributors:	應用運動科學所
Keywords:	Chinese medical herb;Ion transport;Intestinal epithelia;Short circuit current;Phellodendron spec.;Pharbitis spec.
Date:	2004-07
Issue Date:	2012-04-20T02:22:44Z
Publisher:	Elsevier BV
Abstract:	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.
Relation:	Journal of Ethnopharmacology, 93(1): 21-25
Appears in Collections:	[ss] Periodical Articles

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