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Nat Prod Res ; 29(5): 480-3, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25159821

RESUMO

Ethanol extract (EE) and fractions obtained from the ripe fruits of Solanum lycocarpum were examined in order to determine their phenolic composition, antioxidant capacity, antibacterial activities and cytotoxic potential. High-performance liquid chromatography coupled with DAD analysis indicated that caffeic and chlorogenic acids were the main phenolic compounds present in the EE, dichloromethane (DCM) and ethyl acetate (Ac) fractions. The antioxidant activity assessed by the scavenging ability on 1,1-diphenyl-2-picrylhydrazyl radical was significantly more pronounced for DCM and Ac fractions than that of the commercial antioxidant 2,6-di-tert-butyl-4-methylphenol (BHT). EE and fractions exhibited selective antibacterial activity against Gram-positive bacteria, especially the hexane (Hex) and DCM fractions. EE and fractions exhibited low toxicity towards the LLC-MK2 cell line, especially the Hex, DCM and Ac fractions. This work provides the knowledge of phenolic composition in the extract and fractions from the ripe fruits of S. lycocarpum and their antioxidant, antibacterial and cytotoxic activities.


Assuntos
Antibacterianos/química , Antioxidantes/química , Frutas/química , Extratos Vegetais/química , Solanum/química , Animais , Ácidos Cafeicos/química , Linhagem Celular/efeitos dos fármacos , Ácido Clorogênico/química , Concentração Inibidora 50 , Macaca mulatta , Fenóis/química
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