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Article: HPLC-DAD-MS/MS analysis of purine alkaloids and tea polyphenols in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars

TitleHPLC-DAD-MS/MS analysis of purine alkaloids and tea polyphenols in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars
Authors
KeywordsCatechins
HPLC-DAD-MS/MS
Purine alkaloids
Qimen
Tea polyphenols
Yinghong 1
Yinghong 9
Issue Date2009
Citation
Zhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatseni, 2009, v. 48 n. 1, p. 72-75 How to Cite?
Abstract
Using the HPLC-DAD-MS/MS method, two purine alkaloids, seven catechins, and two non-catechin type of polyphenols were identified in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars mainly made for black tea. According to the quantitative results, the contents of catechins in the leaves of Yinghong 1 and Qimen are similar, while Yinghong 9 is quite different, with ECG higher than EGCG.
Persistent Identifierhttp://hdl.handle.net/10722/60798
ISSN
2013 SCImago Journal Rankings: 0.109
References

 

Author Affiliations
  1. The University of Hong Kong
  2. Agricultural Science Academy of Guangdong Province
  3. Sun Yat-Sen University
DC FieldValueLanguage
dc.contributor.authorLu, Jen_HK
dc.contributor.authorWang, Den_HK
dc.contributor.authorMiao, Aen_HK
dc.contributor.authorYang, Den_HK
dc.contributor.authorChen, Jen_HK
dc.date.accessioned2010-05-31T04:18:47Z-
dc.date.available2010-05-31T04:18:47Z-
dc.date.issued2009en_HK
dc.identifier.citationZhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatseni, 2009, v. 48 n. 1, p. 72-75en_HK
dc.identifier.issn0529-6579en_HK
dc.identifier.urihttp://hdl.handle.net/10722/60798-
dc.description.abstractUsing the HPLC-DAD-MS/MS method, two purine alkaloids, seven catechins, and two non-catechin type of polyphenols were identified in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars mainly made for black tea. According to the quantitative results, the contents of catechins in the leaves of Yinghong 1 and Qimen are similar, while Yinghong 9 is quite different, with ECG higher than EGCG.en_HK
dc.languageeng/chien_HK
dc.relation.ispartofZhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatsenien_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCatechinsen_HK
dc.subjectHPLC-DAD-MS/MSen_HK
dc.subjectPurine alkaloidsen_HK
dc.subjectQimenen_HK
dc.subjectTea polyphenolsen_HK
dc.subjectYinghong 1en_HK
dc.subjectYinghong 9en_HK
dc.titleHPLC-DAD-MS/MS analysis of purine alkaloids and tea polyphenols in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivarsen_HK
dc.typeArticleen_HK
dc.identifier.emailChen, J: abchen@hku.hken_HK
dc.identifier.authorityChen, J=rp01316en_HK
dc.description.naturepostprint-
dc.identifier.scopuseid_2-s2.0-62249089435en_HK
dc.identifier.hkuros155515en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-62249089435&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume48en_HK
dc.identifier.issue1en_HK
dc.identifier.spage72en_HK
dc.identifier.epage75en_HK
dc.identifier.scopusauthoridLu, J=24069294500en_HK
dc.identifier.scopusauthoridWang, D=7407071911en_HK
dc.identifier.scopusauthoridMiao, A=24068875600en_HK
dc.identifier.scopusauthoridYang, D=8901049400en_HK
dc.identifier.scopusauthoridChen, J=22733695400en_HK

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