Antioxidant compounds in fruits of Averrhoa carambola accessions under different environments in the state of Pernambuco, Brazil
REVISTA BRASILEIRA DE FRUTICULTURA(2014)
Abstract
The star fruit pulp contains chemical compounds with antioxidant properties important to human health, against cellular aging and disease prevention. This study aimed to evaluate the fruit of Averrhoa carambola accessions regarding the concentrations of antioxidant compounds. It was analyzed the concentrations of ascorbic acid, total carotenoids, flavonoils, total phenolics and tannins in five star fruit accessions, grown indifferent edaphoclimatic conditions of the state of Pernainbuco. The star fruit accessions differed significantly among themselves regarding the concentrations of ascorbic acid, total phenolics and tannins. The significance for the erwiromnent effects confirmed that the cultivation sites are heterogeneous in relation to the productive potential of fruits with different average concentrations of ascorbic acid, flavonoils, phenolic compounds and tannins. A significant interaction between genotypes and environments indicates that star fruit selections exhibit differential responses to ascorbic acid, flavonoils, total phenolics and tannins, when grown in different sites. The experimental Station IPA flambe's cultivation conditions and IPA-7.2, IPA-22.3 accessions showed the highest concentrations of ascorbic acid, total phenolics and tannins
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Key words
Oxalidaceae,exotic fruit,functional food
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