Made available in DSpace on 2022-04-28T20:48:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-17; As part of our ongoing research on antioxidant agents from Brazilian flora, twenty extracts and fractions obtained from Pterogyne nitens Tulasne (Fabaceae) were screened for free radical scavenging activity by using ABTS [2,2′-azinobis(3-ethylenebenzothiazoline-6-sulfonic acid)] and DPPH (2,2-diphenyl-1...