Aroma Characterization of Cabernet Sauvignon Wine from the Plateau of Yunnan (China) with Different Altitudes Using SPME-GC/MS
2015
The aroma characteristics of Cabernet Sauvignon wines from five different altitudes (Xidang-2110, Dari-2249, Jiunongding-2330, Adong-2610, and Jiangpo-2788, respectively) in the plateau of Yunnan (China) were detected by headspace solid phase micro-extraction gas chromatography mass spectrometry. The results showed that the numbers of volatile compounds increased with altitude rising, while the concentration of the total volatiles decreased with the exception of Xidang-2110. Alcohol and esters accounted for more than 97% of the total volatile compounds. Ten out of thirty-six components (22%) identified and quantified in five wines were found at concentrations higher than their corresponding threshold values (OAVs > 1). Ethyl hexanoate, ethyl butyrate, and 1-octen-3-ol were the three most powerful odorants in wine from Xidang-2110; but odor activity values and relative odor contribution of 1-octen-3-ol were higher than ethyl hexanoate and ethyl butyrate in the wines from Dari-2249 and Adong-2610; meanwhile...
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