4.7 Article

Verification of Aroma Profiles of Jiashi Muskmelon Juice Characterized by Odor Activity Value and Gas Chromatography-Olfactometry/Detection Frequency Analysis: Aroma Reconstitution Experiments and Omission Tests

期刊

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 60, 期 42, 页码 10426-10432

出版社

AMER CHEMICAL SOC
DOI: 10.1021/jf302373g

关键词

melon; aroma profile; quantitative descriptive analysis (QDA); electronic nose analysis (ENA); aroma reconstitution; omission test

资金

  1. Chinese Ministry of Science and Technology [2006BAK04A05, 2011AA100801]

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To verify the aroma profile of Jiashi muskmelon previously identified by gas chromatography-olfactometry/detection frequency analysis (GC-O/DFA) and odor activity value (OAV) calculation, the synthetic blends of odorants (aroma models) were prepared and then were compared with the original Jiashi muskmelon juice aroma using quantitative descriptive analysis (QDA) and electronic nose analysis (ENA), respectively. QDA and ENA both indicated that the model solution derived from OAV calculation more closely resembled the original melon juice aroma than that based on DFA data. Omission tests corroborated the significant contribution of five unsaturated aldehydes and alcohols with nine carbon atoms as well as five branched esters, in particular, the fruity-smelling ethyl butanoate and the cucumber-like (2E,6Z)-nona-2,6-dienal to Jiashi muskmelon overall aroma.

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