Qualitative discrimination of Chinese dianhong black tea grades based on a handheld spectroscopy system coupled with chemometrics

Abstract The evaluation of Chinese dianhong black tea (CDBT) grades was an important indicator to ensure its quality. A handheld spectroscopy system combined with chemometrics was utilized to assess CDBT from eight grades. Both variables selection methods, namely genetic algorithm (GA) and successiv...

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Bibliographic Details
Main Authors: Jing Huang, Guangxin Ren, Yemei Sun, Shanshan Jin, Luqing Li, Yujie Wang, Jingming Ning, Zhengzhu Zhang
Format: Artigo
Language:Inglês
Published: Wiley 2020-04-01
Series:Food Science & Nutrition
Subjects:
Chinese dianhong black tea
Grade discrimination
handheld near‐infrared spectroscopy
Partial least‐squares discriminant analysis
support vector machine
Online Access:https://doi.org/10.1002/fsn3.1489
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