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European Food Research and Technology

, Volume 245, Issue 2, pp 325–334 | Cite as

Unexplored olive cultivars from the Valencian Community (Spain): some chemical characteristics as a valorization strategy

  • Domingo C. Salazar-García
  • Ricardo MalheiroEmail author
  • José Alberto Pereira
  • Isabel Lopéz-CortésEmail author
Original Paper
  • 45 Downloads

Abstract

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.

Keywords

Minor cultivars valorization Olea europaea L. Olive oil Characterization Legislation Cultivar discrimination 

Notes

Compliance with ethical standards

Conflict of interest

All authors declare that we have no conflict of interest, and the article is approved by all authors for publication. I would like to declare on behalf of my co-authors that the work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part.

Compliance with Ethics requirements

This article does not contain any studies with human or animal subjects.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Foundation for ScienceGrupo de Investigación en Prehistoria IT-622-13 (UPV-EHV) IKERBASQUE-BasqueVitoriaSpain
  2. 2.Centro de Investigação de Montanha (CIMO)ESA, Instituto Politécnico de BragançaBragançaPortugal
  3. 3.REQUIMTE-LAQV/Laboratório de Bromatologia e Hidrologia, Faculdade de FarmáciaUniversidade do PortoPortoPortugal
  4. 4.Escola Superior AgráriaInstituto Politécnico de BragançaBragançaPortugal
  5. 5.Departamento Producción VegetalUniversitat Politècnica de ValènciaValenciaSpain

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