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|Title:||Amazonian Eryngium foetidum leaves exhibited very high contents of bioactive compounds and high singlet oxygen quenching capacity|
|Author:||Leitão, Deusa do Socorro Teixeira Costa|
Siqueira, Francilia Campos
Sousa, Sérgio Henrique Brabo de
Mercadante, Adriana Zerlotti
Chisté, Renan Campos
Lopes, Alessandra Santos
|Abstract:||Phenolic compounds and carotenoids profile of Amazonian Eryngium foetidum leaves and the quenching ability of their hydrophilic extract against singlet oxygen (1O2) were determined. Chlorogenic acid (4327 μg/g, dry basis, d.b.) was the major phenolic compound in the leaves at very high concentrations, while lutein (205 μg/g, d.b.) and β-carotene (161 μg/g, d.b.) were the major carotenoids. The extract of E. foetidum leaves was able to scavenge DPPH● (91.6% at 5 mg/mL), ABTS●+ (15.77 μM Trolox equivalent/g extract) and it exhibited high efficiency to protect tryptophan against 1O2, with IC50 at 343 μg/mL and 78% of protection at the highest tested concentration (625 μg/mL). Therefore, E. foetidum leaves can be exploited as an accessible natural source of bioactive compounds with antioxidant properties to be used by the food or pharmaceutical industries|
|Editor:||Taylor & Francis|
|Appears in Collections:||FEA - Artigos e Outros Documentos|
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