CAS OpenIR  > 中科院上海原子核所2003年前
Reaction of carotenoids with CCl3OO by using pulse radiolysis
Zhao, WN; Yao, S(姚思德); Wang, Q; Qian, SP; Wang, WF(王文峰); Han, YS
AbstractThe interactions of carotenoids (bixin, P-carotene and lycopene) with CCl3OO. in aqueous and i-propylalcohol solution saturated with air have been studied by pulse radiolysis. For bixin and beta-carotene reaction products from forming process, absorbing in the region of 650 nm, is observed with concomitant carotenoid bleaching (bixin at 500 nm, beta-carotene at 450 nm). Their rate constants from forming process are 1.78 X 10(8) and 7.8 X 10(7) mol(-1) . L . s(-1) respectively. However, in the case of lycopene, no such a forming process of reaction as bixin and beta-carotene can be observed although there is the bleaching reaction (rate constant 4 X 107 mol(-1) . L . s(-1)). The results suggest that the carotenoid radical cation and an additional radical are produced in the case of bixin and-p-carotene, whereas lycopene undergoes electron transfer with CCl3OO., forming cation radical.
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Funding Project应物所项目组
WOS IDWOS:000181415100009
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Document Type期刊论文
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GB/T 7714
Zhao, WN,Yao, S,Wang, Q,et al. Reaction of carotenoids with CCl3OO by using pulse radiolysis[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2003,46(1):57.
APA Zhao, WN,Yao, S,Wang, Q,Qian, SP,Wang, WF,&Han, YS.(2003).Reaction of carotenoids with CCl3OO by using pulse radiolysis.SCIENCE IN CHINA SERIES B-CHEMISTRY,46(1),57.
MLA Zhao, WN,et al."Reaction of carotenoids with CCl3OO by using pulse radiolysis".SCIENCE IN CHINA SERIES B-CHEMISTRY 46.1(2003):57.
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