INTESTINAL ABSORPTION OF AMINO ACIDS

Abstract
After administration of s35-DL-methionine or C14-DL-valine to rat, the chromatographic and radioautographic analyses of intestinal wall and portal fluid blood indicated that methionine was mostly oxidized to methionine sulfoxide in the inner side of intestinal tissue and then reduced prior to transference to portal vessel, but valine underwent no change. The transferring rates of those amino acids through intestine to portal fluid were independent of the tissue amino acid pool.

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