A novel simultaneous quantitative method for differential volatile components in herbs based on combined near-infrared and mid-infrared spectroscopy

Yao Fan,Xiuyun Bai,Hengye Chen,Xiaolong Yang,Jian Yang,Yuanbin She,Haiyan Fu

Food Chemistry（2022）

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摘要

•Simultaneous quantitative method for volatile components in herbs was established.•The method only relied on the selected NIR-MIR spectra sections obtained by O-PLSDA.•Five terpenes and five alcohol compounds were screened as differential components.•Each terpene or alcohol had a unique variable weight combination during analysis.•10 differential components were accurately quantified through PSO-VWLS-SVM model.

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关键词

Herbs,NIR-MIR,Differential volatile components,Simultaneous quantitative analysis,Chemometrics

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