Tempo de leitura: menos de 1 minuto
William Karasov has appreciated support from the U.S. National Science Foundation (IOS-1025886), U.S. Department of Agriculture (Hatch), and the U.S.-Israel Binational Science Foundation. Besides inhibiting fermentation, essential oils can decrease the rate of bacterial deamination of protein in the lumen (2). Foye OT, Black BL. As predicted, germ-free rats cannot incorporate urea-nitrogen into lysine. The enzyme may be stored in the plant, in which case maceration by a consumer causes release of the aglycone toxin, or the enzyme might be a component of the consumers physiological processes such as intrinsic digestive enzymes or microbial enzymes (202). Karasov WH, McWilliams SR. Digestive constraint in mammalian and avian ecology. Tannic acid inhibition of amino acid and sugar absorption by mouse and vole intestine - tests following acute and subchronic exposure. A common explanation for the origin of multiple gene copies is that these allow making more protein product (see Section Molecular mechanisms for differences in enzyme activities between populations/species). Lysine synthesized by the gastrointestinal microflora of pigs is absorbed, mostly in the small intestine. 5). Effect on colonic fermentation and faecal output. Walgren RA, Lin JT, Kinne RKH, Walle T. Cellular uptake of dietary flavonoid quercetin 4-beta-glucoside by sodium-dependent glucose transporter SGLT1. Generally these provide only enough energy to assist in the nutrient requirements of the epithelium of the large intestine. They found that phloridzin inhibited whole-animal glucose absorption efficiency by more than 36% in laboratory rats, whereas it did not significantly decrease glucose absorption in American robins (408). Furthermore, there is phylogenetic evidence that the genes for these glucohydrolase activities have been transferred horizontally from marine bacteria associated with Porphyra to the gut bacteria of humans. Lohner K, Schnabele K, Daniel H, Oesterle D, Rechkemmer G, Gottlicher M, Wenzel U. Flavonoids alter P-gp expression in intestinal epithelial cells in vitro and in vivo. Yufera M, Darias MJ. Comparative Digestive Physiology - PMC - National Center for Sklan D, Noy Y. Hydrolysis and absorption in the small intestines of posthatch chicks.
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difference between pig and human digestive system