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Información tecnológica

versão On-line ISSN 0718-0764

Resumo

VALLE-VARGAS, Marcelo F.; DURAN-BARON, Ricardo; QUINTERO-GAMERO, Greilis  e  VALERA, Robert. Physicochemical and proximate chemical characterization, bioactive compounds and antioxidant activity from pulp and rind of watermelons (Citrullus lanatus). Inf. tecnol. [online]. 2020, vol.31, n.1, pp.21-28. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642020000100021.

The physicochemical and proximate chemical characterization, bioactive compounds (phenolic compounds and citrulline) and antioxidant activity of pulp and rind from three watermelon (Citrullus lanatus) cultivars were performed. The physicochemical and proximate chemical characterization were carried out using the methods described by the Association of Official Analytical Chemists, AOAC. Phenolic compounds, citrulline content and antioxidant activity were quantified by the methods of Folin-Ciocalteu, Diacetyl monoxime and free radical, respectively. Crimson Sweet and Santa Amelia pulp showed the highest phenolic content and antioxidant activity (61.82 mg GAE/100 and 69.30 µmol TEAC/100 g fresh sample, respectively). Santa Amelia rind had the highest citrulline content (2.412 mg/g fresh sample). The composition of watermelon rind showed that this agro-industrial waste could be used for the extraction of bioactive compounds and for its utilization in food matrices.

Palavras-chave : watermelon; rind; citrulline; phenolic compounds; antioxidant activity.

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