Chemistry of carotenoid oxidation and free radical reactions

被引:132
作者
Martin, HD
Ruck, C
Schmidt, M
Sell, S
Beutner, S
Mayer, B
Walsh, R
机构
[1] Univ Dusseldorf, Inst Organ Chem & Macromol Chem, D-40225 Dusseldorf, Germany
[2] Univ Reading, Dept Chem, Reading RG6 2AH, Berks, England
关键词
D O I
10.1351/pac199971122253
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
When oxygenic photosynthesis evolved, one of the key functions of carotenoids was to protect aerobic photosynthetic organisms against destruction by photodynamic sensitization. Aerobic photosynthesis would not exist without the coevolution of carotenoids alongside the chlorophylls. As carotenoids are abundant in nature, in many fruits and vegetables, they are able to react with excited states of appropriate energy and quench them, and they can react with free radicals according to their reactivity, redox potentials, and X-H bond energies. This report concerns the bimolecular reactions of carotenoids with oxygen species, such as O-3(2), O-1(2) HO., HOO., O-2(.-), etc.
引用
收藏
页码:2253 / 2262
页数:10
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