Bioactive compound-rich, virtually unknown, edible fruits from the Atlantic Rainforest: changes in antioxidant activity and related bioactive compounds during ripening

  • Mariana Buranelo Egea
  • Adaucto Bellarmino Pereira-NettoEmail author
Original Paper


The antioxidant activity, and total phenolic, flavonoid, anthocyanin and carotenoid contents were evaluated for five fruits native to the Atlantic Rainforest. For fully ripen fruits, total flavonoid content was significantly higher (p = 0.05) for fruits of butia (12.3 mg/100 g) and uvaia (11.2 mg/100 g) (Table 2). Fruits of lemon guava and gabiroba presented total phenolic contents (over 4,300 mg GAE/100 g) significantly higher (p = 0.05) than the other fruits used in this study. Total anthocyanin content (TAC) for fully ripen strawberry guava (216 mg/100 g) was significantly higher (p = 0.05) than the TAC found for any of the other fruits used in this study (Table 2). Total carotenoid content (176 mg/100 g) was significantly higher (p = 0.05) in fruits of butia. The antioxidant activity of gabiroba fruits (26.45 mM TROLOX equivalents/g DM, DPPH) was significantly higher (p = 0.05) among the fruits used in this study. Reduction in total phenolic and flavonoid contents was found for gabiroba, strawberry guava and uvaia fruits following ripening, except for butia (Table 2). Progressive reduction in antioxidant activity paralleled reductions in total phenolic and flavonoid contents. A remarkable increase in total anthocyanins from 18 to 216 mg/100 g was found for strawberry guava fruits during ripening. Data from this study demonstrate that various virtually unknown fruits native to the Atlantic Rainforest, especially gabiroba, present very high antioxidant activity and very high amounts of compounds known to promote human health.


Anthocyanins Carotenoids Flavonoids Phenolics Tropical fruits Functional foods 



The authors would like to thank CNPq, Fundação Araucária and the Paraná Centre for Scientific and Educational Research on Medicinal Plants for their financial support.

Author contributions

MBE collected data, interpreted the results and drafted the manuscript. ABP-N designed the study, interpreted the results and drafted the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Compliance with ethics requirements

This article does not contain any studies carried out with human participants performed by any of the authors.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Mariana Buranelo Egea
    • 1
    • 2
  • Adaucto Bellarmino Pereira-Netto
    • 3
    Email author
  1. 1.Goiano Federal InstituteRio VerdeBrazil
  2. 2.Graduate Program in Food Engineering, Department of Chemical EngineeringFederal University of ParanáCuritibaBrazil
  3. 3.Department of Botany-SCB, Graduate Program in Food Engineering, Department of Chemical EngineeringParaná Centre for Scientific and Educational Research on Medicinal Plants, Paraná Federal UniversityCuritibaBrazil

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