Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Highlight Review
Carotenoid Radicals: Cryptochemistry of Natural Colorants
Lowell D. KispertNikolay E. Polyakov
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2010 Volume 39 Issue 3 Pages 148-155

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Abstract

This review examines the properties and uses of carotenoid radicals. Their mechanisms of action on the molecular level play a crucial role in electron transfer and light regulation processes in photosynthesis, in the design of improved artificial solar cells, and in the scavenging of toxic free radicals. There is a remarkable increase in the quantum yield and the lifetime of the charge-separated states of the carotenoid radical cations in the supramolecular “hosts” β-glycyrrhizic acid (GA) and arabinogalactan (AG).

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© 2010 The Chemical Society of Japan
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