Atividade antioxidante da epicatequina-(2β→7,4β→8)-epicatequina isolada de Dioclea lasiophylla

David, Juceni Pereira de Lima; Santos, Edlene O. dos; Miranda, Maria da Pureza Spínola; Barreiros, André Luís Bacelar Silva; Santos, Ihanmarck Damasceno dos; David, Jorge Mauricio

Atividade antioxidante da epicatequina-(2β→7,4β→8)-epicatequina isolada de Dioclea lasiophylla

David, Juceni Pereira de Lima; Santos, Edlene O. dos; Miranda, Maria da Pureza Spínola; Barreiros, André Luís Bacelar Silva; Santos, Ihanmarck Damasceno dos; David, Jorge Mauricio

URI: http://www.repositorio.ufba.br/ri/handle/ri/3401

Data: 2002

Resumo:

This work describes the evaluation of the antioxidant activity in the system b-carotene / linoleic acid and radical scavenging effects of the substances epicatechin-(2β→7,4β→8)-epicatechin, epicatechin, epigalocatechin-(2β→7,4β→8)-epicatechin, luteolin 3-β-Dglicopiranoside and crisoeriol 7-β-D-glicopiranoside isolated of the extract AcOEt of the stem of Dioclea lasiophylla, in comparison with the standards n-propyl gallate, BHT and a-tocopherol.