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Ciência e Agrotecnologia

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LOPES, Mônica Maria de Almeida; MIRANDA, Maria Raquel Alcântara de; MOURA, Carlos Farley Herbster  and  ENEAS FILHO, Joaquim. Bioactive compounds and total antioxidant capacity of cashew apples (Anacardium occidentale L.) during the ripening of early dwarf cashew clones. Ciênc. agrotec. [online]. 2012, vol.36, n.3, pp.325-332. ISSN 1413-7054.

Lately, tropical fruit consumption has increased due to a higher knowledge of its nutritional and therapeutic value. The aim of this work was to evaluate the antioxidant potential of cashew apples from different early dwarf clones during their ripening. The clones analyzed included: CCP 76, CCP 09, BRS 189 and BRS 265 in seven ripening stages. They were analyzed for vitamin C, total carotenoid, total anthocyanin, yellow flavonoids and polyphenol content and total antioxidant capacity. Clone BRS 265 ripe cashew apple presented the highest vitamin C content (279.37 mg x 100 g-1). The ripe BRS 189 cashew apple is colored bright red, and its total anthocyanin content was the highest (21.16 mg x 100 g-1). The yellow flavonoids content was higher for ripe CCP 76 and BRS 189 cashew apples with 56.32 and 50.75 mg x 100 g-1, respectively. The highest levels of extrable polyphenols and antioxidant capacity were observed in CCP 09 in the first five ripening stages. The antioxidant activity of cashew apples (Anacardium occidentale L.) is mainly attributed to polyphenol content (r = 0.90; p < 0.01), and, therefore, they may be considered relevant sources of antioxidant compounds, which are necessary for human health. Cashew apples are consumed fresh which confers direct benefits for human health and present high potential for the development of new products with functional properties.

Keywords : Polyphenols; ABTS; vitamin C; carotenoids; food analysis.

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