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Influence of dietary protein on aminotransferases and phosphatases in rat tissues



Influence of dietary protein on aminotransferases and phosphatases in rat tissues



Journal of Food Science & Technology 30(3): 183-186



In albino rats, fed ad libitum with diets containing 5, 16, 32 and 48% dietary protein for 45 days, the liver mitochondrial and supernatant alanine aminotransferase activities increased at higher levels of protein, but the activities showed a decline in serum. The aspartate aminotransferase levels in mitochondria increased at higher protein levels, whereas the supernatant enzyme was enhanced only in the case of 32 and 48% dietary protein-fed groups. The activities of these enzymes in kidney and heart cell fractions were not influenced by the level of protein. The alkaline phosphatase activities in serum and liver were lower in rats fed on high protein diets, whereas the acid phosphatase activities were not affected.

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