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|Título:||Radical scavenging activity and lipid peroxidation inhibition of almond, chestnut and their by-products: a comparative study|
|Autor:||Barreira, João C.M.|
Ferreira, Isabel C.F.R.
|Citação:||Barreira, João C.M.; Ferreira, Isabel C.F.R.; Oliveira, M. Beatriz P.P.; Pereira, José Alberto (2008) - Radical scavenging activity and lipid peroxidation inhibition of almond, chestnut and their by-products: a comparative study. In XVI Congresso Nacional de Bioquímica. Ponta Delgada|
|Resumo:||Disruption of the balance between reactive oxygen species (ROS) production and elimination leads to oxidative stress. ROS are known for being implicated in many cell disorders and in the development of many diseases including cardiovascular diseases, cancer, atherosclerosis, cataracts, chronic inflammation or neurodegenerative diseases. Some of these diseases seem to have the same underlying mechanisms, depending on oxidative processes leading to products with reactive properties, affecting specific molecular targets in the vascular system, and cellular DNA.1 To find new natural sources o f bioactive compounds, the antioxidant properties of almond green barks and fruits, chestnut skins, leaves and fruits, were evaluated through chemical and biochemical assays: 2,2-diphenyl- 1-picrylhydrazyl radical scavenging activity, reducing power, inhibition of P-carotene bleaching, inhibition of oxidative hemolysis in erythrocytes induced by 2,2 -azobis(2-amidinopropane)dihydrochloride and inhibition of lipid peroxidation in brain tissue (formation of thiobarbituric acid reactive substances).|
|Aparece nas colecções:||BB - Resumos em Proceedings Não Indexados ao ISI/Scopus|
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