Sensomics-assisted flavor decoding of coarse cereal Huangjiu.

Juan Wang,Bingqian Zhang,Qiang Wu,Xinye Jiang,Huijie Liu,Chaozhong Wang,Mingquan Huang,Jihong Wu,Jinglin Zhang,Yougui Yu

Published 2022 in Food Chemistry

ABSTRACT

Huangjiu is one of China's national alcoholic beverages. The key odorants in four coarse cereal Huangjius (CCH) were identified by sensomics approach. Eighty-eight odorants were identified using solvent-assisted flavor evaporation combined with gas chromatography-olfactometry/spectrometry and aroma extract dilution analysis. Four aroma recombinates showed good similarities to the corresponding original aroma profiles (93.27-96.97%). Partial least squares regression analysis predicted vanillin and β-damascenone were the main causes of the aroma differences in the four CCHs. For the first time, omission and addition tests showed that β-damascenone caused the sweet and tea leaf aromas, whereas hexanal, nonanal, and 2-methyl-3-(methyldisulfanyl)furan contributed to the cooked grain aroma. Finally, 2-phenylethanol, ethyl (E)-3-phenyl-2-propenoate, ethyl 3-phenylpropanoate, vanillin, 3-(methylsulfanyl)propanal, γ-nonalactone, sotolon, β-damascenone, hexanal, nonanal, and 2-methyl-3-(methyldisulfanyl)furan were confirmed as the key odorants in the CCHs. 2-Methyl-3-(methyldisulfanyl)furan was a newly identified key odorant in Huangjiu.

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