LENG Yue,HU Yun,ZHANG Jin,et al.Identification of Differential Components and Quality Analysis of Blended Flavors and Fragrances Based on Metabolomics Methods[J].Journal of Instrumental Analysis,2024,43(02):226-235.
LENG Yue,HU Yun,ZHANG Jin,et al.Identification of Differential Components and Quality Analysis of Blended Flavors and Fragrances Based on Metabolomics Methods[J].Journal of Instrumental Analysis,2024,43(02):226-235. DOI: 10.12452/j.fxcsxb.23073105.
Identification of Differential Components and Quality Analysis of Blended Flavors and Fragrances Based on Metabolomics Methods
This study used gas chromatography-mass spectrometry and metabolomics-based analytical strategy to investigate the characteristic and differential compositions in four classes of blended flavors and fragrances. The consistency of multiple batches of each class was also evaluated in quality. Results showed that 49,32,48 and 39 compounds were individually identified from the four classes of blended samples,denoted A,B,C and D,respectively. Among them,eight compositions including ethyl acetate,pentanoic acid-4-oxo-ethyl ester,butanoic acid 3-methyl-3-methylbutyl ester,maltol,2-propanol-1,1'-oxybis-,acetic acid,4-oxo-pentanoic acid and 2-furancarboxaldehyde-5-(hydroxymethy)- were the main flavor substances in common. The flavor compositions of both A-class and C-class samples were quite similar,with the most abundant content of ester compounds emitting fruity and floral aromas. The B-class samples were in rich acidic substances with sour aroma characteristics. In contrast,the D-class samples contained a largest number of ketone compounds responsible for aromatic attributes. The deployment of principal component analysis and partial least squares-discriminant analysis was able to discern the characteristic and differential compositions in the blended flavors and fragrances. The variable importance in the projection and statistical analysis screened a total of 40 substances,including diethyl malic acid,nerolidol,ethyl vanillin,and so on. They were used for the quality assessment of samples. Different classes of the blended flavors and fragrances had significant differences in compositions,while the samples of the same class but from different batches had good consistency in quality.
关键词
混合香精香料差异性物质品质分析气相色谱-质谱代谢组学
Keywords
blended flavors and fragrancesdifferential substancesquality analysisgas chromatography-mass spectrometrymetabolomics
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