Article ; Online: Classification and characterization on sorghums based on HS-GC-IMS combined with OPLS-DA and GA-PLS.
Current research in food science
2024 Volume 8, Page(s) 100692
Abstract: Headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) detected 206 and 186 samples of fresh and stored sorghums respectively with three major types in Baijiu industry. The fingerprints showed the differences of volatile compounds among fresh ...
Abstract | Headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) detected 206 and 186 samples of fresh and stored sorghums respectively with three major types in Baijiu industry. The fingerprints showed the differences of volatile compounds among fresh sorghum types by qualitative analysis and artificial recognition. Organic waxy sorghums had more contents of nonanal and 2-ethyl-1-hexanol but fewer ketones. The contents of acetoin in non-glutinous sorghums and organic non-glutinous sorghums were high. On the other hand, genetic algorithm-partial least squares (GA-PLS) selected 19 and 32 characteristic volatile compounds in fresh and stored sorghums. After centering and auto scaling to unit variance, the classification models with three major types of organic waxy sorghum, non-glutinous sorghum and organic non-glutinous sorghum were established based on orthogonal partial least squares-discriminant analysis (OPLS-DA). The goodness-of-fit (R |
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Language | English |
Publishing date | 2024-01-30 |
Publishing country | Netherlands |
Document type | Journal Article |
ISSN | 2665-9271 |
ISSN (online) | 2665-9271 |
DOI | 10.1016/j.crfs.2024.100692 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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