Phytochemicals and other characteristics of Croatian monovarietal extra virgin olive oils from Oblica, Lastovka and Levantinka varieties

Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry
Mladenka SarolićIgor Jerković

Abstract

Virgin olive oils from the fruits of Croatian autochthonous varieties Oblica, Lastovka and Levantinka were characterized for the first time. Headspace volatiles were analyzed by HS-SPME/GC-FID/MS. The main volatiles were C6 compounds. The most abundant was (E)-hex-2-enal (62.60%-69.20%). (Z)-Hex-3-enal was not found in Lastovka oil, while Levantinka oil did not contain hexanal. Tocopherols, chlorophylls and carotenoids were determined by HPLC-FL. Levantinka oil was characterized by the highest α-tocopherol level (222.00 mg/kg). Total phenolic contents (TPs), as well as antioxidant activity (DPPH assay) of the oils hydrophilic fractions (HFs) were assessed by spectroscopic methods. The antioxidant activity of Oblica oil HF was the most pronounced (0.91 mmol TEAC/kg) and the HF contained the highest TPs amount (212.21 mg/kg). HFs phenolic composition was determined by HPLC-DAD. The main identified phenols were secoiridoids dominated in Oblica oil: decarboxymethyl ligstroside aglycone (p-HPEA-EDA up to 158.5 mg/kg), oleuropein aglycone (3,4-HPEA-EA up to 96.4 mg/kg) and decarboxymethyl oleuropein aglycon (3,4-DHPEA-EDA up to 93.5 mg/kg).

References

Feb 7, 2001·Journal of Agricultural and Food Chemistry·F AngerosaG Mellerio
Nov 10, 2005·Journal of Agricultural and Food Chemistry·A Carrasco-PancorboA Fernández-Gutiérrez
Oct 26, 2007·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alessandra BendiniGiovanni Lercker
Jul 15, 2009·Journal of Pharmaceutical and Biomedical Analysis·Rocío García-VillalbaAlberto Fernández-Gutiérrez
Apr 11, 2012·International Journal of Molecular Sciences·Rahele GhanbariNazamid Saari
Jan 16, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Mladenka SarolićPiotr Marek Kuś
Jul 15, 2008·Food Chemistry·Katerina S Minioti, Constantinos A Georgiou

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Citations

Feb 26, 2016·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Alessandra IncaniMonica Deiana
May 3, 2016·Food Chemistry·Jim Van Durme, Jeroen Vandamme
Mar 3, 2018·International Journal of Molecular Sciences·Monika Gorzynik-DebickaMagdalena Gorska-Ponikowska

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