Journal
FOOD CHEMISTRY
Volume 233, Issue -, Pages 204-215Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.04.103
Keywords
Chinese light aroma type liquors; Gas chromatography-olfactometry; Aroma extract dilution analysis; Odor activity value; GC-flame photometric detection; Aroma recombination
Funding
- National Natural Science Foundation of China [2147614090]
- National Key Research and Development Program Nanotechnology Specific Project [2016YFA0200304]
- Shanghai Engineering Technology Research Center of Fragrance and Flavor [15DZ2280100]
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The aroma profiles of five Chinese light aroma-type liquors were investigated in this study. Gas chromatography-olfactometry (GC-O) and GC-flame photometric detection (FPD) were employed to investigate aroma-active compounds. A total of 80 odorants were identified, including ten sulfur compounds. In addition, aroma-active compounds (FD >= 16) were determined, according to quantitative study and odor activity values (OAVs). Finally 27 key aroma compounds, mainly possessing fruity and floral notes, were successfully used to simulate the aromas of Chinese light aroma-type liquors by dissolving them in 53% (v/v) hydroalcoholic solution in their natural concentrations. Moreover, the correlation between the key aroma compounds, seven sensory attributes and liquor samples was evaluated through partial least-squares regression analysis. (C) 2017 Published by Elsevier Ltd.
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