期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 63, 期 14, 页码 3660-3668出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf506238f
关键词
Chinese chixiang aroma-type liquor; AEDA; quantitative Measurements; OAV; aroma recombination; omission/addition; experiments; (E)-2-nonenal
资金
- National High Technology Research and Development Programe of China (Program 863) [2013AA102108]
Chixiang aroma-type liquor is extensively welcomed by consumers owing to its typical fatty aroma, particularly in southern China. To our knowledge, no comprehensive characterization of aroma and flavor from chixiang aroma-type liquor has been published. It is still a confused question which components are the most important in characterizing its unique aroma. A total of 56 odorants were identified in chixiang aroma-type liquor by aroma extract dilution analysis (AEDA), and in different quantitative measurements, 34 aroma compounds were further demonstrated as important odorants according to odor activity values (OAVs). Furthermore, this research suggested that the aroma of chixiang aroma-type finished liquor could be successfully reconstituted by mixing 34 aroma compounds in the concentrations measured. Omission experiments further confirmed (E)-2-nonenal as the key odorant and revealed the significance of (E)-2-octenal and 2-phenylethanol for the overall aroma of chixiang aroma-type liquor. 3-(Methylthio)-1-propanol (methionol), diethyl 1,7-heptanedioate (diethyl pimelate), diethyl 1,8-octanedioate (diethyl suberate), and diethyl 1,9-nonanedioate (diethyl azelate), identified as the characteristic aromas of chixiang aroma-type liquor in 1995, had no effects on aroma based on omission/addition experiments.
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