title: Contents of constituents and antioxidant activity of seed and pulp extracts of Annona coriacea and Annona sylvatica.
abstract: The antioxidant potential of fruit pulp and seeds of extracts of the Annona coriacea, and A. sylvatica (Annonaceae) were investigated, as well contents total phenolics, flavonoids, condensed tannins and ascorbic acid. Was used to determine the antioxidant activity the 1,1-diphenyl-2-picrylhydrazyl free radical (DPPH), β-carotene bleaching and ABTS radical cation method. The total phenol, total flavonoid, condensed tannin, and ascorbic acid contents were measured spectrophotometrically. In this study, the pulp and seeds of the fruits were extracted using methanol/water (8:2) for maceration. The seed extracts of A. coriacea demonstrated a moderate antioxidant effect with free radical scavenging activity of 31.53%, by the DPPH test, 51.59% by the β-carotene bleaching test and 159.50 µM trolx/g of extract in the ABTS assay. We found that the hydromethanolic seed extract of A. coriacea had high total phenol (147.08 ± 4.20 mg of GAE/g of extract) and flavonoid (131.18 ± 2.31 mg of QE/g of extract) content. This indicated that the antioxidant activity of the extracts was related to the contents of these constituents.
authors.affiliation: Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: R S R
authors.initials: RS
authors.lastname: Benites
authors.affiliation: Faculdade de Ciências Agrárias, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: A S N
authors.initials: AS
authors.lastname: Formagio
authors.affiliation: Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: E J S
authors.initials: EJ
authors.lastname: Argandoña
authors.affiliation: Faculdade de Ciências Biológicas e Ambientais, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: C R F
authors.initials: CR
authors.lastname: Volobuff
authors.affiliation: Faculdade de Ciências Biológicas e Ambientais, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: L N F
authors.initials: LN
authors.lastname: Trevizan
authors.affiliation: Faculdade de Ciências Agrárias, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: M C
authors.initials: MC
authors.lastname: Vieira
authors.affiliation: Faculdade de Ciências Biológicas e Ambientais, Universidade Federal da Grande Dourados, Dourados, MS, BR.
authors.forename: M S
authors.initials: MS
authors.lastname: Silva
mesh_terms: D031041:Annona / Q000737:chemistry*; D000975:Antioxidants / Q000378:metabolism*; D005638:Fruit / Q000737:chemistry*; D012639:Seeds / Q000737:chemistry; D013045:Species Specificity
chemical_list: D000975:Antioxidants