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The proposed biosynthesis of procyanidins by the comparative chemical analysis of five Camellia species using LC-MS.


ABSTRACT: The genus Camellia (C.) contains many species, including C. sinensis, C. assamica, and C. taliensis, C. gymnogyna and C. tachangensis. The polyphenols of C. sinensis and C. assamica are flavan-3-ols monomers and their dimers and trimmers. However, the biosynthesis of procyanidins in Camellia genus remains unclear. In the present study, a comparative chemical analysis of flavan-3-ols, flavan-3-ols glycoside and procyanidins was conducted by high performance liquid chromatography (HPLC) and liquid chromatography diode array detection coupled with triple-quadrupole mass-spectrometry (LC-DAD-QQQ-MS). The results showed that C. tachangensis had a significant higher contents of (-)-epicatechin (EC) and (-)-epigallocatechin (EGC) compared with C. sinensis (p?

SUBMITTER: Zhang L 

PROVIDER: S-EPMC5382677 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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The proposed biosynthesis of procyanidins by the comparative chemical analysis of five Camellia species using LC-MS.

Zhang Liang L   Tai Yuling Y   Wang Yijun Y   Meng Qilu Q   Yang Yunqiu Y   Zhang Shihua S   Yang Hua H   Zhang Zhengzhu Z   Li Daxiang D   Wan Xiaochun X  

Scientific reports 20170406


The genus Camellia (C.) contains many species, including C. sinensis, C. assamica, and C. taliensis, C. gymnogyna and C. tachangensis. The polyphenols of C. sinensis and C. assamica are flavan-3-ols monomers and their dimers and trimmers. However, the biosynthesis of procyanidins in Camellia genus remains unclear. In the present study, a comparative chemical analysis of flavan-3-ols, flavan-3-ols glycoside and procyanidins was conducted by high performance liquid chromatography (HPLC) and liquid  ...[more]

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