Resumen

SOTERO SOLIS, Víctor; SILVA DOZA, Luz; GARCIA DE SOTERO, Dora  y  IMAN CORREA, Sixto. Antioxidant activity from pulp, peel and keruel of camu camu (Myrciaria dubia H.B.K). Rev. Soc. Quím. Perú [online]. 2009, vol.75, n.3, pp.293-299. ISSN 1810-634X.

Camu camu is a native specie of the Amazonia and the interest for its fruit takes root in its high concentration of ascorbic acid, beside possessing excellent antioxidant qualities. In the present study there was realized the evaluation of the antioxidant activity of the pulp, peel and seed of the camu camu collected in Germoplasma's bank of the INIA-Loreto. There was realized the evaluation of the antioxidant activity, by means of the scavenging of free radical of the DPPH. Likewise they were realized the analysis of phenolics compounds and ascorbic acid, by means of the spectrophotometric method and HPLC chromatography. It is observed that the best results for the antioxidant activity was the peel of camu camu with IC50 of 146,94 µg/ml, followed by the pulp with 167,67 µg/ml and with minor activity the seed with 399,77 µg/ml. The best concentrations for the compounds phenolics are obtained in dry pulp (23168,0 mg/100g) and in dry peel (17905,5 mg/100g). The concentrations of ascorbic acid reports the major concentration in dry pulp: 14337,94 mg/100g and peel: 10506,37 mg/100g, being low 1 Instituto de Investigaciones de la Amazonia Peruana, Av Abelardo quiñones, km 2,5 - Iquitos. e mail: vsotero@iiap.org.pe 2 Facultad de Ingenieria Química.-Universidad Nacional de la Amazonía Peruana. Freyre 616 Iquitos. 3 Instituto Nacional de Innovación Agraria. E.E.San Roque. Av San Roque 209-Iquitos. in seed: 87,08 mg/100g. In the pulp and peel of camu camu they were chlorogeneic acid, catechin, epicatechin and rutin, emphasizing the catechin in rind with 47, 29 mg/100g.

Palabras clave : camu camu; antioxidants; phenolics; HPLC.

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