Identification of Volatiles in Grape Musts and Characteristic Terpenoid Constituents

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概要

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• To clarify the volatile constituents, particularly the monoterpenoids, and the aroma characteristics of grapes, 4 varieties (Koshu, Zenkoji, Muscat of Alexandria and Muscat of Humbourg) were used in the present investigation. Forty four volatiles identified in Koshu must included all the 39 volatile components found in Zenkoji must. Terpinen-4-ol and linalool as monoterpenoids were detected in Koshu must, while only terpinen-4-ol was found in Zenkoji must. The content ratios of these monoterpenoids to the total volatiles were about 3% in Koshu and 0.8% in Zenkoji. On the other hand, 18 volatile monoterpenes were found in each of the muscat grapes, although terpinen-4-ol was not detected. The content ratios of the monoterpenes to the whole volatiles were approximately 33% in Muscat of Alexandria and 35% in Muscat of Humbourg grapes. Large differences of the monoterpenoid constituents were recognized in the flavor of grape musts and suggest the characteristic of the grape varieties.

• 社団法人 日本農芸化学会の論文

著者

• SHIMIZU Jun-ichi

  Central Research Laboratories of Kikkoman Corp.

関連論文

• Volatile Components Identified in the Acidic Fractions of Wines from Koshu and Zenkoji Grapes
• Identification of Volatiles in Grape Musts and Characteristic Terpenoid Constituents
• Investigation of Volatile Components in Wines from Koshu and Zenkoji Grapes

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