Identification of Neutral Aminopeptidases Responsible for Peptidolysis in Postmortem Rabbit Skeletal Muscle (Food & Nutrition)
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概要
- 論文の詳細を見る
A survey of the total aminopeptidase activity of rabbit skeletal muscle at neutral pH values was performed, using the 20naphthylamide derivatives of nine amino acids (Ala, Glu, Gly, Leu, Lys, Met, Pro, Ser, and Val) as substrates. DEAE-cellulose column chromatography of the muscle extract revealed five major activity peaks that were eluted at 0, 0.03, 0.09, 0.11 and 0.18 M NaCl. The eluates around 0.18 M CaCl showed high activity against all substrates and contained the major aminopeptidases. These aminopeptidases were the 160,000-dalton aminopeptidase (aminopeptidase C) and hydrolase H purified from rabbit skeltal muscle. The values of substrate specificity were fairly compatible with the pattern of free amino acids increasing during the storage of rabbit muscle, indicating that these enzymes are responsible for the increment of free amino acids during aging of rabbit muscle.
- 社団法人日本農芸化学会の論文
- 1988-09-23
著者
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Kato Hiromichi
Department of Agricultural Chemistry, The University of Tokyo
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Kato H
Univ. Tokyo Tokyo Jpn
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Kato H
Department Of' Agricultural Chemistry The University Of Tokyo
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Kato Hiromichi
Department Of Agricultural Chemistry The University Of Tokyo
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Nishimura Toshihide
Department Of' Agricultural Chemistry The University Of Tokyo
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Nishimura Toshihide
Department Of Agricultural Chemistry The University Of Tokyo
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OKITANI Akihiro
Department of Animal Products Science and Technology, Nippon Veterinary and Zootechnical College
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Okitani A
Faculty Of Veterinary And Animal Science Nippon Veterinary And Animal Science University
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OKITANI Akihiro
Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo
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