Quantitative determination of the free amino acids and their derivatives in the common edible mushroom, Agaricus bisporus.

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概要

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• Nitrogen in the ethanol extract of the fruiting bodies of the common edible mushroom, Agaricus bisporus, accounted for about 60% of the total nitrogen of the fruiting bodies, and about 70% of the ethanolextractable nitrogen was attributable to the free amino acids and their derivatives. Identification and quantitative determination of the free amino acids and their derivatives contained in this fraction were performed after group separation. Of the 44 ninhydrin-positive compounds detected, alanine, glutamic acid, proline and arginine were the most predominant protein amino acids occurring in the free form, and ornithine, N-(γ-1-glutamyl)-4hydroxyaniline and γ-aminobutyric acid were the most plentiful nonprotein amino acids. An analytical method of the aromatic compounds characteristic of the mushroom is also described.

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著者

• 小川 正

  Department Of Nutrition School Of Medicine The University Of Tokushima

• 辻 英明

  Department of Food Science & Technology, Faculty of Agriculture, Kyoto University

• 佐々岡 啓

  Department of Nutrition, School of Medicine, Tokushima University

• 辻 英明

  Department of Nutrition, School of Medicine, Tokushima University

• 小川 正

  Department of Nutrition, School of Medicine, Tokushima University

• 岡 芳子

  Shikoku Women's College

• 岡 芳子

  Shikoku Women's College

• 佐々岡 啓

  Department of Nutrition, School of Medicine, The University of Tokushima

関連論文

• Fungal Metabolites. I. Isolation and Biological Activities of Hypelcins A and B (Growth Inhibitors against Lentinus edodes) from Hypocrea peltata
• Semi-automated system for analysis of vitamin B6 complex by ion-exchange columin chromatography.
• Quantitative determination of the free amino acids and their derivatives in the common edible mushroom, Agaricus bisporus.
• First evidence for the occurrence of N.DELTA.-acetyl-L-ornithine and quantification of the free amino acids in the cultivated mushroom, Pleurotus ostreatus.

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