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한국영양식량학회지 v.24 no.2, 1995년, pp.336 - 340  

뇨중 총아미노산으로부터 추정한 당뇨병 Rat의 체단백질 대사상태
The Status of Body Protein Metabolism Based on the Urinary Excretion of Total Amino Acids in Normal and Diabetic Rat

남택정   (부산수산대학교 식품영양학과UU0000616  );
  • 초록

    뇨중에 배설되는 아미노산으로 당뇨병 rat의 채단백질 대사상태와 식이단백질의 이용효율을 검토하였다. Controi group의 무단백질 식이 rat 뇨 증 아미노산 배설량과 당뇨병 유발 rat의 배설량과 비교한 결과, 당뇨병 group에서 아미노산이 많이 배설되었지만, 각 아미노산의 조성은 거의 같은 pattern을 보여 주고 있으므로 뇨 중 아미노산이 내인성 대사 생성물임이 확인되었다. 그리고 뇨 중 아미노산을 토대로 당뇨병 rat 식이단백질의 이용효율은 control 보다 낮았다.


    Urinary excretion of total amino acids was measrued in normal and diabetic rats, streptozotocin-induced diabetic rats excreted increased amount of urinary total amino acids and nitrogen. This suggested increased degradation of body protein. Although excretion of total amino acids increased in the diabetic rats, the amino acid pattern of amino acids for both groups were very similar. The efficiency of dietary protein utilization was significantly lower in diabetic rats then that of normal rats. Streptozotocin injeciton affected the urinary excretion of 3-methylhistidine whereas diet did not. These findings suggest that the rate of urinary excretion of total amino acids can be empolyed as an index of protein metabolism, particulary as a simple index in the assesing the status of protein nutrition.


  • 주제어

    urinary amino acid .   whole body protein metabolism .   diabetic rat.  

  • 참고문헌 (20)

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