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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概要

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• The free amino acid profile of the fruiting bodies of Pleurotus ostreatus was studied in detail. The first evidence for the occurrence of Nδ-acetyl-L-ornithine in the mushroom was presented, and 33 ninhydrin-positive compounds were determined, besides Nδ-acetyl-L-ornithine. Alanine, glutamic acid, valine, glutamine, glycine and leucine were predominant protein amino acids occurring in the free form. As regards the non-protein amino acids, ornithine, y-aminobutyric acid, saccharopine, α-aminoadipic acid, ethanolamine, cystathionine, and N-(γ-glutamyl)ethanolamine were mainly detected. The sum of the nitrogen of the three abundant amino acids, alanine, glutamic acid and ornithine, accounted for about 40% of the total nitrogen in the amino acid fraction.

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著者

• 小川 正

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

• 小川 正

  Department Of Nutrition School Of Medicine The University Of Tokushima

• 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
• 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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