Influence of the Ripening Stage and Extraction Conditions on the Phenolic Fingerprint of ‘Corbella’ Extra-Virgin Olive Oil
Lamuela-Raventós, Rosa M.
The ancient ‘Corbella’ olive variety from the center-north of Catalonia is being recovered to obtain quality extra-virgin olive oil (EVOO) with unique organoleptic properties. The aim of this work was to determine the effect of agronomic and technical factors on the phenolic fingerprint of EVOO and to establish the optimum harvesting time and crushing and malaxation conditions for ‘Corbella’ olives. Therefore, three different ripening indices (0.3, 1.2, and 3.2) and three crushing temperatures (10, 18, and 25 OC) were studied. Additionally, a factorial design to optimize the phenolic concentration of the EVOO was developed, applying a range of sieve diameters (4 and 6 mm), and malaxation time (30 and 60 min) and temperature (27, 32, and 37 °C). The phenolic profile was analyzed by ultra-high performance liquid chromatography coupled to mass spectrometry in a tandem detector. The level of secoiridoids, the major phenolic compounds in the oil, was higher when using olives harvested earlier. Oleuropein aglycone and ligstroside aglycone were degraded during crushing at high temperatures, resulting in the formation of oleacein and oleocanthal. The best processing conditions in terms of total phenolic content were found to be 30 min of malaxation at 37 OC, the crushing size not having any affect.
663/664 - Aliments i nutrició. Enologia. Olis. Greixos
Is part of
López-Yerena, Anallely, Antonia Ninot, Núria Jiménez-Ruiz, Julián Lozano-Castellón, Maria Pérez, Elvira Escribano-Ferrer, Agustí Romero-Aroca, Rosa M. Lamuela-Raventós, and Anna Vallverdú-Queralt. 2021. "Influence Of The Ripening Stage And Extraction Conditions On The Phenolic Fingerprint Of ‘Corbella’ Extra-Virgin Olive Oil". Antioxidants 10 (6): 877. doi:10.3390/antiox10060877.
Grant agreement number
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2016-75329-R/ES/EFECTO DE LOS POLIFENOLES DE LA DIETA EN LA SENSIBILIDAD A LA INSULINA, MARCADORES DE INFLAMACION Y EN LA INCIDENCIA DE LA DIABETES TIPO II/
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/RYC-2016-19355/ES/ /
This item appears in the following Collection(s)
- ARTICLES CIENTÍFICS 
The following license files are associated with this item:
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/4.0/