University of Khartoum

Transport of Acetate Across the Isolated Omasal ُpithelium of ٍheep: Evidence for آonionic ]iffusion

Transport of Acetate Across the Isolated Omasal ُpithelium of ٍheep: Evidence for آonionic ]iffusion

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Title: Transport of Acetate Across the Isolated Omasal ُpithelium of ٍheep: Evidence for آonionic ]iffusion
Author: المعتمد, اسامه
Abstract: Short chain fatty acids (SCFA), acetate, propionate and butyrate, are the major metabolites of an aerobic microbial fermentation of polysaccharides and proteins in the forestomachs of ruminants. It - generally accepted that SCFA are also absorbed from the omasum (I) and that this absorption :'.lJfils an important physiological function by removing a potent buffer substance (pK of SCFA: - -.8) from the ingesta, which can be easier acidified in the abomasum with a reduced concentration of -CF A. Information about the mechanism of SCF A transport in the omasum is lacking. Furthermore, poseibleinteractions between Na+/H" exchange (NHE) and the transport of SCFA, which have been reported in other tissues (2) or excluded (3), are not known. It was therefore the aim of this study to characterize the transport mechanism(s) of SCFA in sheep omasum.
Description: This paper had been presented for promotion at the university of Khartoum. To get the full text please contact the other at osama elmotamed
URI: http://hdl.handle.net/123456789/6420
Date: 2005


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