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  • Title: Radical scavenging, antioxidant and cytotoxic activity of Brazilian Caatinga plants.
    Author: David JP, Meira M, David JM, Brandão HN, Branco A, de Fátima Agra M, Barbosa MR, de Queiroz LP, Giulietti AM.
    Journal: Fitoterapia; 2007 Apr; 78(3):215-8. PubMed ID: 17331673.
    Abstract:
    Extracts of 32 plants from the Brazilian northeastern semi-arid region called Caatinga were evaluated through DPPH radical scavenging assay, beta-carotene bleaching, and brine shrimp lethality tests (BST). Among the extracts studied Byrsonima cf. gardneriana, Mascagnia coriacea, Cordia globosa, Diodia apiculata and Hypenia salzmannii showed the highest activities in DPPH radical scavenging test. In the beta-carotene bleaching test the highest activities were observed for Passiflora cincinnata, Chamaecrista repens, B. cf. gardneriana, Rollinia leptopetala, Serjania glabrata, Diospyros gaultheriifolia, C. globosa, Mimosa ophtalmocentra, M. coriacea and Lippia cf. microphylla. In contrast, R. leptopetala, Zornia cf. brasiliensis and Leonotis nepetifolia were the most active species in the BST.
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