Effects of protein deficiency on the rate of radioactivity loss from body constituents in adult rats given 14C-amino acids.
書誌事項
- タイトル別名
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- Effects of protein deficiency on the ra
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説明
The effect of protein deficiency on the rate of loss of radioactivity from body constituents was studied in adult rats administered 14C-Chlorella protein hydrolysate or 14C-lysine. Rats were kept on a protein-free diet for 3 weeks and then injected with labelled amino acids and fed on a protein-free diet for 3 more days to allow 14C deposition in tissues. Then they were given experimental diets (protein-free diet, 1% and 10% wheat gluten diets pair-fed with the protein-free diet, and 10% wheat gluten diet ad libitum) for 7 days and sacrificed.<br> The rates of loss of radioactivity from tissue proteins became low in general with the extent of protein deficiency. This increased capacity of tissues to retain 14C-amino acids may result from higher efficiency of protein utilization in protein deficiency. The reutilization of free amino acids and the rate of catabolism of tissue proteins are discussed on the basis of the results. The half-life of muscle protein was too long to observe the effects of experimental diets given for 7 days on the rate of loss of radioactivity.
収録刊行物
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- Journal of Nutritional Science and Vitaminology
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Journal of Nutritional Science and Vitaminology 21 (4), 297-308, 1975
一般財団法人 学会誌刊行センター
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詳細情報 詳細情報について
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- CRID
- 1390001206325377024
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- NII論文ID
- 130001372654
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- NII書誌ID
- AA00703822
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- ISSN
- 18817742
- 03014800
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- NDL書誌ID
- 1613420
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- PubMed
- 1214182
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可