Concentrations of Bioactives and Functional Factors in Destoned Virgin Olive Oil: The Case Study of the Oil from Olivastra di Seggiano Cultivar

Authors

  • Federico Ranalli Director of the Fharmacy of Nocciano, Via Roma 34/a, 65010 Nocciano, Pescara, Italy
  • Alfonso Ranalli CRA OLI – Centro di Ricerca per l’Olivicoltura e l’Industria Olearia, Sede Scientifica di Città Sant’Angelo, Viale Petruzzi 76, 65013 Città Sant’Angelo, Pescara, Italy
  • Stefania Contento CRA OLI – Centro di Ricerca per l’Olivicoltura e l’Industria Olearia, Sede Scientifica di Città Sant’Angelo, Viale Petruzzi 76, 65013 Città Sant’Angelo, Pescara, Italy
  • Maria Casanovas Department of Food Technology, XaRTA-UTPV, Escola Tècnica Superior d’Enginyeria Agrària, Universitat de Lleida, Avda/Alcalde Rovira Roure 191, 25198 Lleida, Spain
  • Mariangela Antonucci CRA OLI – Centro di Ricerca per l’Olivicoltura e l’Industria Olearia, Sede Scientifica di Città Sant’Angelo, Viale Petruzzi 76, 65013 Città Sant’Angelo, Pescara, Italy
  • Guido Di Simone CRA OLI – Centro di Ricerca per l’Olivicoltura e l’Industria Olearia, Sede Scientifica di Città Sant’Angelo, Viale Petruzzi 76, 65013 Città Sant’Angelo, Pescara, Italy

DOI:

https://doi.org/10.6000/1927-5951.2012.02.01.12

Keywords:

 Destoned olive oil,. Olivastra di Seggiano variety, hydrophilic and lipophilic antioxidants, aromas, fingerprinting, chemometrics.

Abstract

This work reports on the composition and bionutritional value of destoned (vs. whole) virgin olive oil from Olivastra di Seggiano cultivar, one having wild features, which is cultivated in olive areas of Tuscany Region, Italy. Removal of the stone from fruit before processing is an innovative technique that strongly enhanced the already high quality level of this oil variety. There was for this product marked interaction between genetic background and destoning. An in-depth analytical investigation from 2008 to 2010 showed how the innovated olive extraction process led to an improved product standing out for its peculiar features, related mainly to the improved biophenol and volatile composition, as well as to higher concentrations of the lipophilic and vitamin antioxidants (tocopherols and tocotrienols). It had slowly higher levels of oleocanthal (p-HPEA-EDA), which was found to be a nutraceutical factor. Its head-space aroma even displayed new volatile phytomolecules and also had higher levels of green volatiles from the LOX-pathway (having as precursors the polyunsaturated fatty acids containing a cis-cis-1,4-pentadiene system). Among the other bioactives are to be highlighted the significant levels of trans-β-carotene and xanthophylls (lutein, violaxanthin, neoxanthin and other minor carotenoids), whose amount however was not higher with respect to reference oil. Its enhanced bionutritional value was confirmed by the increased intensity of valuable tasting notes, among which stood out the artichoke flavour. Finally it showed higher resistance to autoxidation and longer shelf-life.

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Published

2012-01-05

How to Cite

Federico Ranalli, Alfonso Ranalli, Stefania Contento, Maria Casanovas, Mariangela Antonucci, & Guido Di Simone. (2012). Concentrations of Bioactives and Functional Factors in Destoned Virgin Olive Oil: The Case Study of the Oil from Olivastra di Seggiano Cultivar . Journal of Pharmacy and Nutrition Sciences, 2(1), 83–93. https://doi.org/10.6000/1927-5951.2012.02.01.12

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