摂取たんぱく質レベルがラット小腸のアミノ酸吸収に及ぼす影響

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書誌事項

タイトル別名
  • Influence of Dietary Protein Levels on Amino Acid Absorption from the Small Intestine of the Rat
  • セッシュ タンパクシツ レベル ガ ラット ショウチョウ ノ アミノサン キュ

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抄録

The intestinal absorption rate of amino acids in rats fed the diets of various protein levels were compared in vitro using an everted sac technique and in vivo a perfusion technique. By everted sacs of mid-small intestine, the rate of transport (per sac weignt) against a concentration gradient of L-histidine was higher in the non-protein diet rats as compared with 5% and 20% casein diet animals. Also, the rate of transport of each amino acid from 18 amino acid equimolar mixture was higher in non-protein diet rats than in other diet animals. Using a perfusion technique in vivo, the absorption rate (per intestinal weight) of individual amino acids from the amino acid mixture differed and these absorption rates in non-protein diet rats were higher than that of 20% casein diet rats, but the absorption rate to whole small intestine was almost the same with each other rats.

収録刊行物

  • 栄養学雑誌

    栄養学雑誌 35 (4), 199-204, 1977

    特定非営利活動法人 日本栄養改善学会

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