Rapid detection of multiple colorant adulteration in Keemun black tea based on hemp spherical AgNPs-SERS

Luqing Li,Qingqing Cui,Menghui Li,Tiehan Li,Shuci Cao,Shuai Dong,Yujie Wang,Qianying Dai,Jingming Ning

Food Chemistry（2023）

引用 9|浏览12

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摘要

•A reproducible high sensitivity hemp spherical SERS substrate was prepared.•A simple and rapid method for colorants detection without pretreatment was proposed.•The CARS-PLS model achieved accurate quantification for the 4 adulterated colorants.•A rapid qualitative detection of multiple colorants mixed was achieved.

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关键词

Colorants adulteration,Black tea,SERS,AgNPs

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