UM  > 中華醫藥研究院
UPLC-Orbitrap-MS/MS combined with chemometrics establishes variations in chemical components in green tea from Yunnan and Hunan origins
Xin, Zhongquan1; Ma, Shasha1; Ren, Dabing1; Liu, Wenbin1; Han, Binsong1; Zhang, Yi4; Xiao, Jianbo3; Yi, Lunzhao1; Deng, Baichuan2
2018-11-15
Conference Name3rd International Symposium on Phytochemicals in Medicine and Food (ISPMF)
Source PublicationFOOD CHEMISTRY
Volume266
Pages534-544
Conference DateAUG 25-30, 2018
Conference PlaceKunming, PEOPLES R CHINA
Publication PlaceTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
PublisherELSEVIER SCI LTD
Abstract

Multi-components of green tea from different origins were identified by UPLC-Orbitrap-MS/MS, including alkaloids, amino acids, catechins, flavones, flavone glycosides, phenolic acids and theaflavins. Quantitative chemical profiles of 72 samples of Yunnan green tea (YGT) and Hunan green tea (HGT) established the influence of origin on green tea. In addition, three variable selection methods, based on partial least squares-discriminant analysis (PLS-DA), were employed to screen characteristic components of YGT and HGT. The results of variable importance on projection (VIP) method showed better performance than coefficients beta and the least absolute shrinkage and selection operator (LASSO) for this dataset. Three characteristic components, named, gallocatechin gallate (GCG), epicatechin-(4 beta -> 8)-epigallocatechin-3-O-gallate, and vitexin were selected by VIP, with a correct rate of 98.61% and an AUC value of 0.9706. The results indicated that the combination of UPLC-Orbitrap-MS/MS and chemometrics could serve as a valid strategy to analyze complex analytical objects, such as green tea.

KeywordGreen Tea Uplc-orbitrap-ms/ms Quantitative Chemical Profile Chemometrics
DOI10.1016/j.foodchem.2018.06.056
URLView the original
Indexed BySCI ; CPCI
Language英语
WOS Research AreaChemistry ; Food Science & Technology ; Nutrition & Dietetics
WOS SubjectChemistry, Applied ; Food Science & Technology ; Nutrition & Dietetics
WOS IDWOS:000437262900066
The Source to ArticleWOS
Fulltext Access
Citation statistics
Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionInstitute of Chinese Medical Sciences
Affiliation1.Yunnan Food Safety Research Institute, Kunming University of Science and Technology, Kunming, China
2.Guangdong Provincial Key Laboratory of Animal Nutrition Control, Subtropical Institute of Animal Nutrition and Feed, College of Animal Science, South China Agricultural University, Guangdong, China
3.University of Macau, Institute of Chinese Medical Sciences, Taipa, Macau, China
4.College of Chemistry and Chemical Engineering, Central South University, Changsha, China
Recommended Citation
GB/T 7714
Xin, Zhongquan,Ma, Shasha,Ren, Dabing,et al. UPLC-Orbitrap-MS/MS combined with chemometrics establishes variations in chemical components in green tea from Yunnan and Hunan origins[C]. THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND:ELSEVIER SCI LTD,2018:534-544.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Xin, Zhongquan]'s Articles
[Ma, Shasha]'s Articles
[Ren, Dabing]'s Articles
Baidu academic
Similar articles in Baidu academic
[Xin, Zhongquan]'s Articles
[Ma, Shasha]'s Articles
[Ren, Dabing]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Xin, Zhongquan]'s Articles
[Ma, Shasha]'s Articles
[Ren, Dabing]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.