ICCAS OpenIR
Puerarin as an antioxidant fluorescence probe
Tian, Yu-Xi1,2; Han, Rui-Min1; Wang, Peng1; Wu, Yi-Shi2; Zhang, Jian-Ping1; Skibsted, Leif H.3
2008-02-11
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume452Issue:4-6Pages:253-258
AbstractDiphenolic isoflavonoid puerarin fluoresces in aqueous solution with maximal intensity at pH 8.5 (Phi(fl)= 0.042, T(fl) = 1.91 ns). For acidic solutions, weak fluorescence is attributed to fluorescent 7-monophenolate formed via excited-state deprotonation of neutral puerarin. For pH > 8.5, fluorescence decreases monotonically with an unchanged lifetime, suggesting that excited-state acidity of 4'-hydroxyl remains similar to the ground-state one, and that the diphenolate is non-fluorescent. The crucial role of A-ring 7-phenolate for fluorescence of puerarin is substantiated by absence (presence) of fluorescence for the 7-propylpuerarin (4'-propylpuerarin). Puerarin and its derivatives with the unusual properties may be explored to be antioxidant fluorescence probes. (c) 2008 Elsevier B.V. All rights reserved.
DOI10.1016/j.cplett.2007.12.072
Indexed BySCI
Language英语
WOS IDWOS:000253767100005
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64322
Collection中国科学院化学研究所
Corresponding AuthorZhang, Jian-Ping
Affiliation1.Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
2.Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, BNLMS, Beijing 100080, Peoples R China
3.Univ Copenhagen, Fac Life Sci, Dept Food Sci, DK-1058 Frederiksberg C, Denmark
Recommended Citation
GB/T 7714
Tian, Yu-Xi,Han, Rui-Min,Wang, Peng,et al. Puerarin as an antioxidant fluorescence probe[J]. CHEMICAL PHYSICS LETTERS,2008,452(4-6):253-258.
APA Tian, Yu-Xi,Han, Rui-Min,Wang, Peng,Wu, Yi-Shi,Zhang, Jian-Ping,&Skibsted, Leif H..(2008).Puerarin as an antioxidant fluorescence probe.CHEMICAL PHYSICS LETTERS,452(4-6),253-258.
MLA Tian, Yu-Xi,et al."Puerarin as an antioxidant fluorescence probe".CHEMICAL PHYSICS LETTERS 452.4-6(2008):253-258.
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
[Tian, Yu-Xi]'s Articles
[Han, Rui-Min]'s Articles
[Wang, Peng]'s Articles
Baidu academic
Similar articles in Baidu academic
[Tian, Yu-Xi]'s Articles
[Han, Rui-Min]'s Articles
[Wang, Peng]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Tian, Yu-Xi]'s Articles
[Han, Rui-Min]'s Articles
[Wang, Peng]'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.