An improved weighted partial least squares method coupled with near infrared spectroscopy for rapid determination of multiple components and anti-oxidant activity of Pu-Erh tea

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成果类型：

期刊论文

作者：

Liu, Ze;Xie, Hua-lin;Chen, Lin;Huang, Jian-hua

通讯作者：

Huang, JH

作者机构：

[Huang, Jian-hua; Liu, Ze] Hunan Acad Chinese Med, Changsha 410013, Hunan, Peoples R China.

[Chen, Lin; Huang, Jian-hua; Liu, Ze] Hunan Univ Chinese Med, Sch Pharm, Changsha 410208, Hunan, Peoples R China.

[Xie, Hua-lin] Yangtze Normal Univ, Sch Chem & Engn, Chongqing 408100, Peoples R China.

通讯机构：

[Huang, JH ] H

Hunan Acad Chinese Med, Changsha 410013, Hunan, Peoples R China.

Hunan Univ Chinese Med, Sch Pharm, Changsha 410208, Hunan, Peoples R China.

语种：

英文

关键词：

antioxidant;polyphenol;polysaccharide;chemistry;infrared spectrophotometry;procedures;tea;Antioxidants;Polyphenols;Polysaccharides;Spectrophotometry, Infrared;Tea

期刊：

Molecules

ISSN：

1420-3049

年：

2018

卷：

期：

页码：

1058

DOI：

10.3390/molecules23051058

基金类别：

Acknowledgments: This work was supported by Natural Science Foundation of China (81603400), Hunan Provincial Key Laboratory of Diagnostics in Chinese Medicine Open Fund (2015ZYZD13, 2015ZYZD06), Ministry of Education of Hunan Province project (15B173). This work was supported by Natural Science Foundation of China (81603400), Hunan Provincial Key Laboratory of Diagnostics in Chinese Medicine Open Fund (2015ZYZD13, 2015ZYZD06), Ministry of Education of Hunan Province project (15B173).

机构署名：

本校为通讯机构

院系归属：

药学院

摘要：

Background: Pu-erh tea is a unique microbially fermented tea, which distinctive chemical constituents and activities are worthy of systematic study. Near infrared spectroscopy (NIR) coupled with suitable chemometrics approaches can rapidly and accurately quantitatively analyze multiple compounds in samples. Methods: In this study, an improved weighted partial least squares (PLS) algorithm combined with near infrared spectroscopy (NIR) was used to construct a fast calibration model for determining four main components, i.e., tea polyphenols, tea...

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An improved weighted partial least squares method coupled with near infrared spectroscopy for rapid determination of multiple components and anti-oxidant activity of Pu-Erh tea

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