Characteristics of Amino Acid Compositions of Koshu and Chardonnay Wines

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  • 甲州ワインおよびシャルドネワインに含まれるアミノ酸の分析と比較
  • コウシュウ ワイン オヨビ シャルドネ ワイン ニ フクマレル アミノサン ノ ブンセキ ト ヒカク

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Abstract

Amino acid compositions of Koshu and Chardonnay wines produced from 1998 to 2006 were investigated. The analysis of 19 amino acid compositions of 14 wine, revealed that arginine and proline were contained in all wines analyzed. In contrast, some amino acids were specifically contained in each Koshu wine or Chardonnay wine (e.g. glutamine in Koshu wine and alanine in Chardonnay wine). Each wines contained most proline of all other amino acid. The proline concentrations in Koshu wines were about 2 times higher than those of Chardonnay wines.

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