Estimation of Amino Acid and Tea Polyphenol Content of Tea Fresh Leaves Based on Fractional-Order Differential Spectroscopy

Estimation of Amino Acid and Tea Polyphenol Content of Tea Fresh Leaves Based on Fractional-Order Differential Spectroscopy

Amino acids (AAs) and tea polyphenols (TPs) are essential quality indicators in tea, impacting sensory attributes and economic value. Hyperspectral technology enables efficient, real-time detection of these compounds on field-grown tea leaves. “The original spectra were preprocessed using fractional...

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Bibliographic Details
Main Authors: Shirui Li, Rui Sun, Xin Li, Yang Li, Liang Zhao, Xinyu Huang, Yufei Xu
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Applied Sciences
Subjects:
tea quality assessment
fresh leaves
spectra
fractional-order derivatives
competitive adaptive reweighted sampling
Online Access:https://www.mdpi.com/2076-3417/15/11/5792
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