Convenient detection of white pepper adulteration by portable NIRS and spectral imaging with chemometrics

Rui Chen,Jianhua Mei,Guorong Du,Yizhi Shi,Yue Huang

Microchemical Journal（2022）

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摘要

•A portable raster NIRS for grade recognition of adulterated white pepper was developed.•Adulteration data acquisition in seconds manifested the high time-efficiency and portability.•Visual quantification of adulterant in white pepper was realized by hyperspectral imaging.

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关键词

White pepper,Adulteration,Portable near infrared spectrometer,Hyperspectral imaging,Chemometrics

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