Amazonian Native Palm Fruits as Sources of Antioxidant Bioactive Compounds

Antioxidants
Mary de Fátima Guedes Dos SantosRicardo Elesbão Alves

Abstract

The Amazon region has many sources of fruits, especially native ones not yet explored, but which have some potential for use, as is the case with certain palms. The objective of this study was to evaluate the content of bioactive compounds and total antioxidant capacities of fruits from native palms from the Brazilian Amazon. The fruits of five palm species (bacaba, buriti, inajá, pupunha, and tucumã) were evaluated for levels of ascorbic acid, anthocyanins, yellow flavonoids, total carotenoids, and total extractable polyphenols, as well as the total antioxidant capacities. The fruits had high contents of extractable total polyphenols, especially bacaba and tucumã (941.56 and 158.98 mg of galic acid·100g(-1)), total carotenoids in the case of tucumã and buriti (7.24 and 4.67 mg·100g(-1)), and anthocyanins in bacaba (80.76 mg·100g(-1)). As for the antioxidant capacity, bacaba had the highest total antioxidant activity by the Oxygen Radical Antioxidant Capacity (ORAC) (194.67 µM·Trolox·g(-1)), 2,2-diphenyl-1-picrylhydrazyl (DPPH) (47.46 g·pulp·g(-1) DPPH), and β-carotene/linoleic acid (92.17% Oxidation Inhibition (O.I) methods. Bacaba phenolic profile revealed the presence of cyanidin-3-O-rutinoside and other flavonoids. The palm...Continue Reading

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Citations

Apr 20, 2017·Anais Da Academia Brasileira De Ciências·Joquebede R PereiraPaulo R A DE Mello Affonso
Apr 11, 2018·PloS One·Fernando Freitas de LimaEliana Janet Sanjinez-Argandoña
Jul 4, 2018·Evidence-based Complementary and Alternative Medicine : ECAM·Joilane Alves Pereira-FreirePaulo Michel Pinheiro Ferreira
Jan 19, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Larissa Gabrielly Barbosa LimaAnderson Junger Teodoro
Jun 27, 2020·Food Chemistry·Rafaela Cristina Turola BarbiRosemary Hoffmann Ribani
Aug 18, 2021·Food Research International·Nayara Macêdo Peixoto AraujoGlaucia Maria Pastore

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