Journal
FOOD RESEARCH INTERNATIONAL
Volume 105, Issue -, Pages 616-627Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2017.11.074
Keywords
Gujinggong; Chinese Baijiu; GC-O; AEDA; OAV; Sensory evaluation; Omission test
Categories
Funding
- National Key Research and Development Program of China [2016YFD0400501]
- National Natural Science Foundation of China [31301466, 31601556, 31701567]
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One of famous Chinese Baijiu, Gujinggong (GJG) that is produced in Anhui province, belongs to the famous Luzhou-aroma type of Baijiu in regards of its unique flavor characteristics. However, its key aroma-impact volatiles have not been clearly characterized. In this study, a total of 60 aroma compounds of GJG were identified by GC-O and GC-MS, and 35 of them were further recognized as important aroma compounds owing to their OAVs >= 1 and sensory evaluation. As a result, its aroma profile was successfully simulated by reconstitution of those 35 and other 11 aroma compounds based on their measured concentrations in the GJG. Moreover, omission test was applied to investigate the effects of the important aroma compounds on the whole aroma profile of GJG. In this context, 9 aroma compounds were confirmed as the key aroma compounds of GJG.
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