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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
Title | HPLC-DAD-MS/MS analysis of purine alkaloids and tea polyphenols in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars |
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Authors | |
Keywords | Catechins HPLC-DAD-MS/MS Purine alkaloids Qimen Tea polyphenols Yinghong 1 Yinghong 9 |
Issue Date | 2009 |
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 Identifier | http://hdl.handle.net/10722/60798 |
ISSN | 2020 SCImago Journal Rankings: 0.166 |
References |
DC Field | Value | Language |
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dc.contributor.author | Lu, J | en_HK |
dc.contributor.author | Wang, D | en_HK |
dc.contributor.author | Miao, A | en_HK |
dc.contributor.author | Yang, D | en_HK |
dc.contributor.author | Chen, J | en_HK |
dc.date.accessioned | 2010-05-31T04:18:47Z | - |
dc.date.available | 2010-05-31T04:18:47Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Zhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatseni, 2009, v. 48 n. 1, p. 72-75 | en_HK |
dc.identifier.issn | 0529-6579 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/60798 | - |
dc.description.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. | en_HK |
dc.language | eng | en_HK |
dc.language | chi | - |
dc.relation.ispartof | Zhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatseni | en_HK |
dc.subject | Catechins | en_HK |
dc.subject | HPLC-DAD-MS/MS | en_HK |
dc.subject | Purine alkaloids | en_HK |
dc.subject | Qimen | en_HK |
dc.subject | Tea polyphenols | en_HK |
dc.subject | Yinghong 1 | en_HK |
dc.subject | Yinghong 9 | en_HK |
dc.title | HPLC-DAD-MS/MS analysis of purine alkaloids and tea polyphenols in young leaves of Yinghong 1, Yinghong 9 and Qimen cultivars | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Chen, J: abchen@hku.hk | en_HK |
dc.identifier.authority | Chen, J=rp01316 | en_HK |
dc.description.nature | postprint | - |
dc.identifier.scopus | eid_2-s2.0-62249089435 | en_HK |
dc.identifier.hkuros | 155515 | en_HK |
dc.identifier.hkuros | 173795 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-62249089435&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 48 | en_HK |
dc.identifier.issue | 1 | en_HK |
dc.identifier.spage | 72 | en_HK |
dc.identifier.epage | 75 | en_HK |
dc.identifier.scopusauthorid | Lu, J=24069294500 | en_HK |
dc.identifier.scopusauthorid | Wang, D=7407071911 | en_HK |
dc.identifier.scopusauthorid | Miao, A=24068875600 | en_HK |
dc.identifier.scopusauthorid | Yang, D=8901049400 | en_HK |
dc.identifier.scopusauthorid | Chen, J=22733695400 | en_HK |
dc.identifier.issnl | 0529-6579 | - |