Antioxidant Activity in Supramolecular Carotenoid Complexes Favored by Nonpolar Environment and Disfavored by Hydrogen Bonding

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dc.contributor.author Gao, Yunlong
dc.contributor.author Focsan, A. Ligia
dc.contributor.author Kispert, Lowell D.
dc.date.accessioned 2021-08-25T21:13:29Z
dc.date.available 2021-08-25T21:13:29Z
dc.date.issued 2020
dc.identifier.citation Gao, Y., Focsan, A., Kispert, L. (2020): Antioxidant Activity in Supramolecular Carotenoid Complexes Favored by Nonpolar Environment and Disfavored by Hydrogen Bonding. Antioxidants. 9(7). en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/8072
dc.description.abstract Carotenoids are well-known antioxidants. They have the ability to quench singlet oxygen and scavenge toxic free radicals preventing or reducing damage to living cells. We have found that carotenoids exhibit scavenging ability towards free radicals that increases nearly exponentially with increasing the carotenoid oxidation potential. With the oxidation potential being an important parameter in predicting antioxidant activity, we focus here on the different factors affecting it. This paper examines how the chain length and donor/acceptor substituents of carotenoids affect their oxidation potentials but, most importantly, presents the recent progress on the effect of polarity of the environment and orientation of the carotenoids on the oxidation potential in supramolecular complexes. The oxidation potential of a carotenoid in a nonpolar environment was found to be higher than in a polar environment. Moreover, in order to increase the photostability of the carotenoids in supramolecular complexes, a nonpolar environment is desired and the formation of hydrogen bonds should be avoided. en_US
dc.description.uri https://doi.org/10.3390/antiox9070625
dc.format.mimetype application/pdf
dc.language English en_US
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject carotenoids en_US
dc.subject oxidation potentials en_US
dc.subject antioxidant activities en_US
dc.subject photostability en_US
dc.subject supramolecular complexes en_US
dc.subject β-glycyrrhizic acid en_US
dc.subject liposomes en_US
dc.subject MCM-41 en_US
dc.subject TiO2 en_US
dc.subject polarity of environment en_US
dc.subject hydrogen bond en_US
dc.subject anchoring mode en_US
dc.title Antioxidant Activity in Supramolecular Carotenoid Complexes Favored by Nonpolar Environment and Disfavored by Hydrogen Bonding en_US
dc.type text


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