Geographical Classification and Characterization of Turkish Gemlik Virgin Olive Oils From Two Locations (Salihli – Manisa and Gemlik – Bursa) Based on Their Glyceridic Profiles

dc.contributor.author Diraman, Harun
dc.contributor.author Özdemir, Durmuş Ş.
dc.contributor.other 01. Izmir Institute of Technology
dc.contributor.other 04. Faculty of Science
dc.contributor.other 04.01. Department of Chemistry
dc.date.accessioned 2025-09-25T18:56:29Z
dc.date.available 2025-09-25T18:56:29Z
dc.date.issued 2025
dc.description.abstract The Gemlik olive cultivar (which is grown for its fruit and oil, also known as the Trilya or Tirilye olive) is the major domestic cultivar of the Marmara region and originated in Bursa province on the Gulf of Gemlik. It has also been cultivated widely for over twenty years in other olive growing regions in Turkey and is the source of speculative claims by the domestic sector about the properties of its oil. In this study, VOO samples produced from Gemlik olive cultivar grown over two crop years in the two main locations (Salihli–Manisa n=10 and Gemlik –Bursa n=14) and reference samples from the Olive Research Institute-Borova/Izmir (n=2) were analysed using the common and approved capillary GC (Fatty Acid Composition-FA) and HPLC (Triacylglycerol Profile-TAG) methods. All data from both methods were classified with the most popular chemometrics methods (Principal Component Analysis, PCA and Hierarchical Cluster Analysis, HCA). The results of the glyceridic data from the PCA indicated that the changes of cumulative percentage were the reason for variance levels (based on PC1 and PC2) in VOO samples of between 61.75 and 77.93% for all data over the two crop years. According to the PCA biplot analysis for the two crop years, some major–minor compounds and calculated parameters from FAs and TAGs data played an effective role in the geographical characterisation and classification of Gemlik VOO from two different locations, Manisa and Bursa. Consequently, the FA and TAG profiles could be promising in determining the correct geographical classification of monocultivar Gemlik VOOs. © 2025 Elsevier B.V., All rights reserved. en_US
dc.identifier.scopus 2-s2.0-105013138929
dc.identifier.uri https://hdl.handle.net/11147/18479
dc.language.iso en en_US
dc.publisher INNOVHUB - Stazioni Sperimentali per l'Industria S.r.l - Area Oli e Grassi en_US
dc.relation.ispartof Rivista Italiana delle Sostanze Grasse en_US
dc.rights info:eu-repo/semantics/closedAccess en_US
dc.subject Fatty Acids en_US
dc.subject Gemlik Cultivar en_US
dc.subject Hca en_US
dc.subject Pca en_US
dc.subject Triacyl Glycerols en_US
dc.subject Virgin Olive Oil en_US
dc.title Geographical Classification and Characterization of Turkish Gemlik Virgin Olive Oils From Two Locations (Salihli – Manisa and Gemlik – Bursa) Based on Their Glyceridic Profiles
dc.type Article en_US
dspace.entity.type Publication
gdc.author.institutional Özdemir, Durmuş
gdc.author.scopusid 25629332200
gdc.author.scopusid 57212093641
gdc.description.department İzmir Institute of Technology en_US
gdc.description.departmenttemp [Diraman] Harun, Department of Food Engineering, Afyon Kocatepe Üniversitesi, Afyonkarahisar, Turkey; [Özdemir] Durmuş Ş., Department of Chemistry Gülbahçe/Urla – İzmir, Izmir Yüksek Teknoloji Enstitüsü, Izmir, Turkey en_US
gdc.description.endpage 100 en_US
gdc.description.issue 2 en_US
gdc.description.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
gdc.description.scopusquality N/A
gdc.description.startpage 87 en_US
gdc.description.volume 102 en_US
gdc.description.wosquality N/A
gdc.scopus.citedcount 0
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