CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Reaction of carotenoids with nitrogen dioxide radical (NO2)
Zhao, WE; Huang, JY; Wang, WF(王文锋); Qian, SP; Yao, SD(姚思德); Zhao, WE (reprint author), Zhengzhou Univ, Chem Engn Coll, Zhengzhou 450052, Peoples R China
2006
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume27Issue:3Pages:556
AbstractThe interactions of carotenoids with NO2. were investigated by pulse radiolysis. Optical traces show bleaching of the ground-state absorption off-carotene, zeaxanthin and canthaxanthin at 450 nm, and bixin at 460-510 nm. The transient absorption spectrum shows that the positive absorption attributed to the formation of carotenoid addition radicals cannot be observed in the range of 600-700 nm. It is suggested that carotenoids undergo more readily electron transfer with NO2. to yield the carotenoid radical cations. The rate constants for the reaction of beta-carotene, zeaxanthin, bixin and canthaxanthin with NO2. obtained are 1.6 x 10(8), 2.41 x 10(8), 5.41 x 10(7) and 1.75 x 10(7) mol/(L-1 center dot s(-1)), respectively.
KeywordCarotenoid No2 Pulse Radiolysis Transient Absorption
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8657
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorZhao, WE (reprint author), Zhengzhou Univ, Chem Engn Coll, Zhengzhou 450052, Peoples R China
Recommended Citation
GB/T 7714
Zhao, WE,Huang, JY,Wang, WF,et al. Reaction of carotenoids with nitrogen dioxide radical (NO2)[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2006,27(3):556.
APA Zhao, WE,Huang, JY,Wang, WF,Qian, SP,Yao, SD,&Zhao, WE .(2006).Reaction of carotenoids with nitrogen dioxide radical (NO2).CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,27(3),556.
MLA Zhao, WE,et al."Reaction of carotenoids with nitrogen dioxide radical (NO2)".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 27.3(2006):556.
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