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  • Title:  Volatiles of grape berries evaluated at the germplasm level by headspace-SPME with GC-MS
  • Authors: 
  • Corresponding Author:  Yang CX, Wang YJ, Liang ZC, Li SH*,et al
  • Pubyear:  2009
  • Title of Journal:  Food Chemistry
  • Paper Code: 
  • Volume:  114
  • Number:  3
  • Page:  1106-1114
  • Others: 
  • Classification: 
  • Source: 

    Abstract:

  • Volatile aroma Compounds are one of the important characteristics determining fruit quality. Evaluation of volatiles at the germplasm level is useful for future breeding efforts, aimed at improvement of fruit quality, via effects on fruit aroma. The composition and concentration of volatiles in berries of forty-two grape cultivars belonging to seven genotypic groups were evaluated by headspace solid-phase microextraction with GC-MS. Sixty volatiles were detected, of which C-6 compounds were the dominant volatiles in V. amurensis grape. neutral cultivars V. vinifera grapes and hybrid grapes between V. vinifera with V. thunbergii or V. amurensis. Alcohols and carbonyls were relatively low in all Vitis germplasm studied. Terpenoids were abundant in V. vinifera with muscat aroma, while esters were dominant in V. labrusca and its hybrids with V. vinifera or V. amurensis. Via principal component analysis, all the grape germplasm studied could be divided into three groups: (I) V. labrusca and its hybrids with V. vinifera or V. amurensis, (2) V. vinifera with muscat aroma and (3) the others, including V. vinifera without muscat aroma plus V. amurensis, and hybrids between V. vinifera and V. thunbergii or V. amurensis. Seasonal quantitative variations of volatiles were observed, but the qualitative volatile composition of the cultivars was consistent. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
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