TY - DATA T1 - Phenolic content and antioxidant activity of fruit of Brazilian genotypes of feijoa PY - 2017/12/27 AU - Cassandro Vidal Talamini do Amarante AU - Alexandra Goede de Souza AU - Thalita Dal Toé Benincá AU - Cristiano André Steffens UR - https://scielo.figshare.com/articles/dataset/Phenolic_content_and_antioxidant_activity_of_fruit_of_Brazilian_genotypes_of_feijoa/5734440 DO - 10.6084/m9.figshare.5734440.v1 L4 - https://ndownloader.figshare.com/files/35477597 L4 - https://ndownloader.figshare.com/files/35477600 L4 - https://ndownloader.figshare.com/files/35477603 L4 - https://ndownloader.figshare.com/files/35477606 L4 - https://ndownloader.figshare.com/files/35477609 L4 - https://ndownloader.figshare.com/files/35477612 KW - Acca sellowiana KW - Feijoa sellowiana KW - DPPH and ABTS methods KW - flesh and skin characterization KW - functional food N2 - Abstract: The objective of this work was to quantify the total phenolic content (TPC) and total antioxidant activity (TAA) of fruit from Brazilian genotypes of feijoa (Acca sellowiana). Skin and flesh tissues of the fruit were evaluated for the Alcântara, Helena, Mattos, and Nonante cultivars, and for the 2316 accession. TPC and TAA were both assessed in aqueous and hydroalcoholic extracts, and TAA was assayed by the DPPH (2,2-diphenyl-1-picrylhydrazyl) and ABTS [2,2’-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid)] methods. The TPC values, for aqueous extracts of the skin and flesh tissues, were 114.9 and 88.3 mg gallic acid equivalent (GAE) per 100 g fresh weight (FW), respectively. The corresponding values for TAA determined by the DPPH method, the skin and flesh tissues, given as EC50 (substrate concentration which leads to 50% reduction of the DPPH), were 10.7 and 39.7 mg FW per g DPPH, respectively; and, by the ABTS method, the TAA values were 12.01 and 8.33 μmol L-1 Trolox per g FW, respectively. The greatest values for TPC and TAA were obtained for 'Mattos' and 'Nonante', in the skin, and for 'Nonante' and accession 2316, in the flesh. Feijoa fruit has important functional value, particularly in the skin, characterized by high TPC and TAA. ER -