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Food Chem


Title:Unraveling the chemosensory characteristics of strong-aroma type Baijiu from different regions using comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry and descriptive sensory analysis
Author(s):He Y; Liu Z; Qian M; Yu X; Xu Y; Chen S;
Address:"Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science & Technology & School of Biotechnology, Jiangnan University Wuxi, Jiangsu 214122, China. Department of Food Science & Technology, Oregon State University, Corvallis, OR 97331, United States. Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science & Technology & School of Biotechnology, Jiangnan University Wuxi, Jiangsu 214122, China. Electronic address: yxu@jiangnan.edu.cn. Key Laboratory of Industrial Biotechnology of Ministry of Education, State Key Laboratory of Food Science & Technology & School of Biotechnology, Jiangnan University Wuxi, Jiangsu 214122, China. Electronic address: shuangchen@jiangnan.edu.cn"
Journal Title:Food Chem
Year:2020
Volume:20200613
Issue:
Page Number:127335 -
DOI: 10.1016/j.foodchem.2020.127335
ISSN/ISBN:1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:"Comprehensive 2D gas chromatography-time-of-flight mass spectrometry was combined with descriptive sensory analysis to elucidate the specificity of strong-aroma type Baijiu (Chinese liquor) from different regions, based on regionally distinct flavor characterized by chemical and sensory profiles. Numerous potential aroma compounds (262) were identified, among which 58 aroma compounds were significantly different between the samples from Sichuan and Jianghuai regions. Relationships between these potential aroma compounds and sensory attributes were investigated by partial least squares regression and network analysis. The compounds that dominantly contributed to the important sensory attributes were identified. The high pyrazines, furanoids, and carbonyls amounts contributed to the high intensities of the cellar, toasted, and grain aroma profiles of the Sichuan region samples, while the high ester and alcohol levels contributed to the fruity and floral aroma profiles of the Jianghuai region samples. This approach may have practical application in flavor characterization of other alcoholic beverages"
Keywords:Alcoholic Beverages/*analysis China Esters/analysis Food Analysis/*methods/statistics & numerical data Gas Chromatography-Mass Spectrometry/*methods/statistics & numerical data Humans Least-Squares Analysis Multivariate Analysis Odorants/*analysis Pyrazin;
Notes:"MedlineHe, Yingxia Liu, Zhipeng Qian, Michael Yu, Xiaowei Xu, Yan Chen, Shuang eng Comparative Study England 2020/06/24 Food Chem. 2020 Nov 30; 331:127335. doi: 10.1016/j.foodchem.2020.127335. Epub 2020 Jun 13"

 
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