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Structural identification and analysis of white tea anthocyanins

Authors: HU Jinxiang; YE Yushan; CAI Meisheng; ZHANG Qingbi; LI Bo; WU Yuanyuan; TU Youying; +1 Authors

Structural identification and analysis of white tea anthocyanins

Abstract

The main anthocyanin components in white tea (Baihaoyinzhen, Baimudan, Gongmei and Shoumei) were preliminarily identified by high performance liquid chromatography-mass spectrometry, and then the composition characteristics and contents of anthocyanins were analyzed. The results showed that the main components of anthocyanins were delphinidin-3-O-galactoside, cyanidin-3-O-galactoside, pelargonidin-3-O-galactoside, cyanidin, delphinidin-3-O-[6-(Z)-p-coumarin] galactopyranoside, delphinidin-3-O-[6-(E)-p-coumarin] galactopyranoside, delphinidin-3-O-rutinoside, cyanidin-3-O-[6-(E)-p-coumarin] galactopyranoside and pelargonidin-3-O-rutinoside. The anthocyanin composition of Baihaoyinzhen, Baimudan, Gongmei and Shoumei was quite different. The anthocyanin contents of top grade and first grade of Baihaoyinzhen, top grade and first grade of Baimudan, first grade of Gongmei, and first grade and second grade of Shoumei were 83.80, 88.70, 90.59, 70.67, 122.75, 126.04 and 122.28 μg/g, respectively. The anthocyanin contents of Gongmei and Shoumei were significantly higher than those of Baihaoyinzhen and Baimudan. The above research results provide a scientific basis for the analysis of white tea anthocyanin components.

Keywords

QH301-705.5, Agriculture (General), structural identification, Biology (General), white tea, anthocyanin, S1-972

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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