Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/5530
Título: Antioxidant activity of sugar molasses, including protective effect against DNA oxidative damage
Autor: Guimarães, Carla M.
Gião, Maria S.
Martinez, Sidónia S.
Pintado, Ana I.
Pintado, Manuela E.
Bento, Luís S.
Malcata, F. Xavier
Palavras-chave: ABTS assay
Deoxyribose assay
DNA protection
Natural antioxidants
Sugar cane
Data: 2007
Editora: Institute of Food Technologists
Citação: "Journal of food science". ISSN 0022-1147. 72 (2007) C39-C43
Resumo: Extracts were obtained from molasses, a byproduct of the sugar industry, via a number of chromatographic steps. Their antioxidant capacity was studied, including the inhibitory effect upon DNA oxidative damage;the phenolic compound profile there of was ascertained as well. Two extracts exhibited significant antioxidant features, expressed by their capacity to decolorize ABTS radical cation and to scavenge hydroxyl free radicals (via deoxyribose assay). Those 2 extracts also brought about protection against induced DNA oxidative damage (via decreasing DNA scission, as assessed by electrophoresis).The phenolic compounds syringic acid,p-hydroxybenzoic acid, vanillic acid, p-hydroxybenzaldehyde, and ferulic acid were positively identified and quantified.
Peer review: yes
URI: http://hdl.handle.net/10400.14/5530
Versão do Editor: The definitive version is available at: http://onlinelibrary.wiley.com/doi/10.1111/j.1750-3841.2006.00231.x/abstract
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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