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Molecules 2015, 20(5), 8287-8302; doi:10.3390/molecules20058287

Variety and Harvesting Season Effects on Antioxidant Activity and Vitamins Content of Citrus sinensis Macfad.

1
Postharvest Technology and Agrifood Industry Area, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA) Alameda del Obispo, 14004 Córdoba, Spain
2
Mountain Research Center (CIMO), ESA, Polytechnic Institute of Bragança, Apartado 1172, 5301-855 Bragança, Portugal
3
Centro IFAPA "Las Torres-Tomejil", Instituto de Investigación y Formación Agraria y Pesquera, Ctra Sevilla—Cazalla Km. 12,2, 41200 Alcalá del Río (Sevilla), Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 30 March 2015 / Revised: 1 May 2015 / Accepted: 4 May 2015 / Published: 7 May 2015
(This article belongs to the Collection Bioactive Compounds)
View Full-Text   |   Download PDF [876 KB, uploaded 7 May 2015]   |  

Abstract

Five sweet orange (Citrus sinensis Osbeck) varieties cultivated in Huelva (Spain) and picked at two seasons during two consecutive years, were characterized for their antioxidant activity (free radicals scavenging activity, reducing power and lipid peroxidation inhibition) and vitamin content (vitamin E and vitamin C). The effects induced by sweet orange variety and stage of maturity were comprehensively compared by applying 2-way ANOVA and linear discriminant analysis. The results indicated higher differences in antioxidant activity and vitamin contents in response to the effect of the harvesting season, when compared to the effect of sweet orange variety. Nevertheless, the results observed in 2012 showed less marked differences among the assayed sweet orange varieties. Either way, it might be concluded that oranges sampled in January show the highest antioxidant activity and vitamin contents. Furthermore, concerning the properties evaluated in this work, all sweet orange varieties represent good alternatives, except for Rhode Summer, which would not be the preferable choice as a target to enhance sweet orange overall characteristics. View Full-Text
Keywords: Citrus sinensis; variety; harvesting season; antioxidant activity; ascorbic acid; α-tocopherol Citrus sinensis; variety; harvesting season; antioxidant activity; ascorbic acid; α-tocopherol
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Cardeñosa, V.; Barreira, J.C.M.; Barros, L.; Arenas-Arenas, F.J.; Moreno-Rojas, J.M.; Ferreira, I.C.F.R. Variety and Harvesting Season Effects on Antioxidant Activity and Vitamins Content of Citrus sinensis Macfad.. Molecules 2015, 20, 8287-8302.

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