Abstract Title:

Antioxidant activity, ascorbic acid and total phenol of exotic fruits occurring in Brazil.

Abstract Source:

Int J Food Sci Nutr. 2008 Sep 10:1-10. PMID: 18785051

Abstract Author(s):

Sandra Aparecida de Assis, Jose Carlos Rebuglio Vellosa, Iguatemy Lourenco Brunetti, Najeh Maissar Khalil, Katia Maria da Silva Cerqueira Leite, Antonio Baldo Geraldo Martins, Olga Maria Mascarenhas de Faria Oliveira

Abstract:

Excerpt: "The antioxidant activity, ascorbic acid and phenolic content were studied in 10 exotic fruits from Brazil: abiu, acerola, wax jambu, cashew, mamey sapote, carambola or star fruit, Surinam cherry, longan, sapodilla and jaboticaba. The ascorbic acid was determined by 2,6-dichloroindophenol titrimetic methods and total phenols were measured colorimetrically using the Folin-Ciocalteu reagent. The antioxidant activity was investigated with three different methods: hypochlorous acid scavenging activity, 2,2-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation decolorization assay, and 2,2-diphenyl-1-picrylhydrazyl radical scavenging method. The highest content of vitamin C (1,525.00 mg/100 g pulp) occurred in acerola. The total phenol content was higher in abiu, acerola, Surinam cherry and sapodilla. In relation to antioxidant activity, acerola has showed the great values in all three different methods tested. It was found that the fruits have a significant antioxidant effect when tested by each method, respectively, and these antioxidant capacities are promising. The sample concentration also influenced its antioxidant power."

Study Type : In Vitro Study

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