Vol. 8 No. 2 (2021)
Articles

Characterisation of Phenolic Compounds, Sterols and Geographical Fingerprint of Çekişte Extra-Virgin Olive Oils According to their Geographical Locations by Using LC IMS QTOF Mass Spectrometry

Ayca Akca Uckun
Republic of Turkey Ministry of Agriculture and Forestry, Olive Research Institute, Cultivation Techniques, Bornova, İzmir, Turkey.

Published 2021-12-13

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Keywords

  • Olive oil, Sterols, Phenolic compounds, LC IMS Qtof spectrometer, Çekişte variety, Geographical indication label.

How to Cite

Uckun, A. A. (2021). Characterisation of Phenolic Compounds, Sterols and Geographical Fingerprint of Çekişte Extra-Virgin Olive Oils According to their Geographical Locations by Using LC IMS QTOF Mass Spectrometry. Agriculture and Food Sciences Research, 8(2), 20–29. https://doi.org/10.20448/journal.512.2021.82.20.29

Abstract

In this context, aim of this study is to determine the effect of Çekişte olive oils in different locations and show differences on geographical locations while taking geographical indication label. Çekişte olive oil variety which cultivated in six different locations (Birgi, Bademli, Beyazit, Yeniceköy, Zeytinlik, Uzumlu) were evaluated the effects of geographical locations on the chemical characterization of in the southwest of Turkey. The agricultural ecological map of each location was created using GIS. Olive oil samples were analyzed fatty acid, sterol and phenolic. Moreover, LC IMS Qtof spectrometer and Progenesis QI software were used to determine the geographical fingerprints of olive oil samples in different locations. Results showed that oil qualities of some locations differ significantly depending on olive growing area (p <0.05), some of them not. The Principal Component Analysis of the different locations analyzed revealed that "geographical location" factor significantly affects the olive oil quality.

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