Sensory and instrumental texture measurements for assessing grape seed parameters during fruit development

被引:11
|
作者
Letaief, Hend [1 ]
Maury, Chantal [1 ]
Symoneaux, Ronan [1 ]
Siret, Rene [1 ]
机构
[1] LUNAM, UMT VINITERA, UPSP GRAPPE, Grp ESA, F-49007 Angers 01, France
关键词
grapes; seeds; ripening; texture analysis; sensory analysis; CV CABERNET FRANC; MECHANICAL-PROPERTIES; PHENOLIC COMPOSITION; WINEGRAPES; SHIRAZ; SKINS; WHEAT; EXTRACTABILITY; ASTRINGENCY; HARDNESS;
D O I
10.1002/jsfa.6071
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Background The evolution of the sensory and instrumental properties of grape seeds was investigated during berry development, with a focus on the effects of the harvest season and growing location. Results The sensory and instrumental texture analyses gave a consistent description of the ripening process. Moreover, the effect of maturation on the seed sensory descriptors was clearly influenced by the harvest season, and astringency was the most appropriate sensory attribute for the assessment of grape seed ripening. Except for seed cracking, which was positively correlated with fracturability (R = 0.69) and toughness (R = 0.68) in 2006, the compression parameters were generally not correlated with the sensory textural attributes but were more likely correlated with other sensory attributes such as astringency and vegetal aroma. The compression indices showed a logarithmic behaviour pattern during grape development, and seed stiffness was shown to be the most valuable textural index for parcel discrimination and identification of the optimal grape harvesting date. Conclusion This research showed that both seed sensory attributes and instrumental texture properties are indicators of grape ripening. However, these properties could be affected by the harvest season and growing location. As no clear correlation was found between the seed sensory attributes and instrumental texture parameters, a revision of the sensory method available in the literature could be suggested. (c) 2013 Society of Chemical Industry
引用
收藏
页码:2531 / 2540
页数:10
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