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Red delicious or wolf apple? Brazilian savanna fruits high in antioxidants

Date:
August 22, 2013
Source:
Public Library of Science
Summary:
Native Brazilian fruits grown in arid climates and poor soil have similar antioxidant activity to conventionally grown red delicious apples, according to new research.

Native Brazilian fruits grown in arid climates and poor soil have similar antioxidant activity to conventionally grown Red Delicious apples, according to research published August 21 in the open access journal PLOS ONE by Sandra Fernandes Arruda from the University of Brazil and colleagues from other institutions.

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Twelve fruit species grown on the Cerrado, a savanna with acidic soils, were compared to conventional Red Delicious apples purchased at local markets; the researchers found that several of these native species had higher proportions of bioactive compounds and pigments than the apples. The proportion of these compounds correlated with antioxidant properties of the fruit extracts when experimentally tested. Based on these results, the authors conclude that native fruits grown in sub-optimal conditions can confer similar nutritional benefits to apples, which are considered among the most antioxidant-rich foods.

The fruits studied here include indigenous species such as lobeira, also called 'wolf apple', tucum, a variety of palm, and other fruits which grow in the arid climate and poor soil of the Cerrado. Though commonly consumed fruits like apples or strawberries have been extensively studied for their chemical constituents, the nutritional benefits of fruits grown in such conditions are not well-known. The authors conclude, "Such fruits can provide a source of new bioactive compounds with functional properties beneficial to health, which should stimulate the pharmaceutical and food industries for the development of new products, promoting the sustainable development of regions with the characteristics of the Cerrado."


Story Source:

The above story is based on materials provided by Public Library of Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Egle Machado de Almeida Siqueira, Fernanda Ribeiro Rosa, Adriana Medeiros Fustinoni, Lνvia Pimentel de Sant'Ana, Sandra Fernandes Arruda. Brazilian Savanna Fruits Contain Higher Bioactive Compounds Content and Higher Antioxidant Activity Relative to the Conventional Red Delicious Apple. PLoS ONE, 2013; 8 (8): e72826 DOI: 10.1371/journal.pone.0072826

Cite This Page:

Public Library of Science. "Red delicious or wolf apple? Brazilian savanna fruits high in antioxidants." ScienceDaily. ScienceDaily, 22 August 2013. <www.sciencedaily.com/releases/2013/08/130822090505.htm>.
Public Library of Science. (2013, August 22). Red delicious or wolf apple? Brazilian savanna fruits high in antioxidants. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2013/08/130822090505.htm
Public Library of Science. "Red delicious or wolf apple? Brazilian savanna fruits high in antioxidants." ScienceDaily. www.sciencedaily.com/releases/2013/08/130822090505.htm (accessed November 28, 2014).

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