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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Unexplored olive cultivars from the Valencian Community (Spain): some chemical characteristics as a valorization strategy
European Food Research and Technology, Volume 245, No. 2, Year 2019
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Description
The olive processing industry has till date been dominated by a small group of cultivars, leading to the possibility of some olive cultivars becoming extinct in the near future. In this study, we determined the composition of some chemical components in the olive oils from 31 minor olive cultivars of the Valencian Community. Our main aim was to identify suitable cultivars, which could produce differentiated olive oils, thus aiming towards their valorization. The average oil content of minor olive cultivars was found to be good, with some of them reporting approximately 60% (dry basis). On average, the total phenolic content was 229 mg kg− 1, with cv. Mas Blanc reporting the highest content (570 mg kg− 1). Among the various tocopherols found in olives, α-tocopherol was the main constituent, with a maximum concentration of 290.6 mg kg− 1. Linoleic acid was the main polyunsaturated fatty acid and varied between 3.4% (cv. Del Pomet) and 16.9% (cv. Blanqueta Enguera). Special attention needs to be paid to the composition of sterols, since some olive oils exceeded the limits established for some sterols by the current European legislation. Some of the cultivars studied were highly productive, and originated differentiated olive oils with a rich composition of antioxidants and essential fatty acids. In some cases, these beneficial compounds were higher than those of commercial oils obtained from the most common cultivars worldwide. These results could contribute to the commercial exploitation of some of the studied cultivars. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
Authors & Co-Authors
Salazar-García, Domingo C.
Spain, Bilbao
Ikerbasque, Basque Foundation for Science
Malheiro, Ricardo
Portugal, Braganca
Instituto Politécnico de Bragança
Portugal, Porto
Laqv-requimte
Pereira, José Alberto
Portugal, Braganca
Instituto Politécnico de Bragança
Statistics
Citations: 5
Authors: 3
Affiliations: 4
Identifiers
Doi:
10.1007/s00217-018-3164-7
ISSN:
14382377