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Effect of a new sea-aging method on the flavor of Baijiu
Jingyi Du1, Zongxi Xu2, Huibin Sun2
1Key Laboratory of Brewing Molecular Engineering of China Light Industry, Beijing Technology and Business University (BTBU), Beijing 100048, China.
Abstract:
Aging is a crucial procedure that enhances the quality of distilled liquor. A study was conducted to analyze the effect of a new sea-aging method on the flavor of Baijiu compared to traditional storage. Sensory evaluations showed that the pleasantness of the three sea-aging liquors was enhanced compared to the corresponding traditional liquors. A total of 56 aroma active substances were identified by aroma extract dilution analysis (AEDA), and the concentrations of some typical aroma compounds in the sea-aging samples were more similar to the effects of long-term aging. Both the sensory and quantitative analysis validated the positive effect of the sea storage on Baijiu quality. Five compounds with important effects on distinguishing traditional and sea-aging liquors were screened by using VIP (>1) and OAV (>1), and ethyl pentanoate, furfural, and acetaldehyde were validated as having significant effects on the aroma of sea-aging Baijiu according to the addition/omission tests.
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