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Asian Pac J Trop Med. 2017 Dec;10(12):1201-1205. doi: 10.1016/j.apjtm.2017.10.030. Epub 2017 Nov 7.

Polyphenolic content, in vitro antioxidant activity and chemical composition of extract from Nephelium lappaceum L. (Mexican rambutan) husk.

Author information

1
Department of Animal Nutrition, Universidad Autónoma Agraria Antonio Narro, Col. Buenavista, Calzada Antonio Narro No. 1923, Saltillo, 25315, Coahuila, Mexico.
2
Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Blvd. Venustiano Carranza, Col. República, Saltillo, 25280, Coahuila, Mexico.
3
Chemistry and Biochemistry Laboratory, Faculty of Agronomy, Universidad Autónoma de Nuevo León, Francisco I. Madero S/N, Hacienda el Canada, 66050, General Escobedo, NL, Mexico.
4
Department of Animal Nutrition, Universidad Autónoma Agraria Antonio Narro, Col. Buenavista, Calzada Antonio Narro No. 1923, Saltillo, 25315, Coahuila, Mexico. Electronic address: aguilera_carbo@yahoo.com.

Abstract

OBJECTIVE:

To determinate the recovery of total polyphenolic compounds content, in vitro antioxidant activity and HPLC/ESI/MS characterization of extract from Nephelium lappaceum L. (Mexican rambutan).

METHODS:

The rambutan husk extract was obtained by aqueous extraction and a polyphenolic fraction was recovered using Amberlite XAD-16. The total polyphenolic compounds content was determined by the Folin Ciocalteu and butanol-HCI methods. In vitro antioxidant activity was performed using ABTS and ferric reducing antioxidant power methods.

RESULTS:

Mexican rambutan husk showed a total polyphenolic content of 582 mg/g and an evident antioxidant activity by ABTS and ferric reducing antioxidant power analysis. The HPLC/ESI/MS assay allowed the identification of 13 compounds, most of which belong to ellagitannins. Geraniin, corilagin and ellagic acid were present in the sample; the mineral composition was also evaluated.

CONCLUSIONS:

Rambutan husk cultivated in Mexico is a promising source for the recovery of added value bioactive compounds with antioxidant activity, which have potential applications as bioactive antioxidant agents for the treatment of diseases.

KEYWORDS:

Ellagitannins; HPLC/ESI/MS; Mexican rambutan; Polyphenolic compounds

PMID:
29268979
DOI:
10.1016/j.apjtm.2017.10.030
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