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In this study, the radical scavenging capacity of Guiera senegalensis, Ipomoea asarifolia and Anisopus mannii were compared. The ascorbic acid equivalent of the stem bark (2.1 mM), leaves (2.05 mM) and root barks (1.89 mM) of Guiera senegalesis are much higher than any part of Ipomoea asarifolia or Anisopus manii. The stem bark, leaves and root bark of Guiera Senegalensis had IC50 of 15.4, 20.0 and 17.0 µL respectively, while corresponding parts of Ipomoea asarifolia showed IC50 of 50, 42 and 65 µL, respectively. These results suggest that Guiera senegalensis and Ipomoea asarifolia possess significant antioxidant capacities to warrant further detailed studies on the role of this property in their therapeutic effects. Comparou-se a capacidade de sequestrar radicais livres de Guiera senegalensis, Ipomoea asarifolia e Anisopus mannii. O equivalente em ácido ascórbico da casca do caule (2,1 mM), folhas (2,05 mM) e da casca da raiz (1,89 mM) de Guiera senegalesis foi muito mais alto do que qualquer parte da Ipomoea asarifolia e da Anisopus manii. A casca do caule, as folhas e a casca da raiz de Guiera senegalensis apresentaram IC50 de 15,4, 20,0 and 17,0 µLl, respectivamente, enquanto as partes correspondentes de Ipomoea asarifolia apresentaram IC50 de 50, 42 e 65 µL respectivamente. Esses resultados sugerem que Guiera senegalensis e Ipomoea asarifolia possuem capacidade oxidante significativa que demanda estudos posteriores detalhados acerca do papel dessa propriedade em seus efeitos terapêuticos

brazilian journal of pharmaceutical sciences

Comparative in vitro antioxidant potential of different parts of Ipomoea asarifolia, Roemer &amp; Schultes, Guiera senegalensis, J. F. Gmel and Anisopus mannii N. E. Brown