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Comparison of different classification algorithms to identify geographic origins of olive oils

  • Ozgur Gumus
  • Erkan Yasar
  • Z. Pinar GumusEmail author
  • Hasan Ertas
Original Article
  • 26 Downloads

Abstract

Research on investigation and determination of geographic origins of olive oils is increased by consumers’ demand to authenticated olive oils. Classification algorithms which are machine learning methods can be employed for the authentication of olive oils. In this study, different classification algorithms were evaluated to reveal the most accurate one for authentication of Turkish olive oils. BayesNet, Naive Bayes, Multilayer Perception, IBK, Kstar, SMO, Random Forest, J48, LWL, Logistic Regression, Simple Logistic, LogitBoost algorithms were implemented on 61 chemical analysis parameters of 49 olive oil samples from 6 different locations at Western Turkey. These 61 parameters were obtained from five different chemical analyses which are stable carbon isotope ratio, trace elements, sterol compositions, FAMEs and TAGs. This study is the most comprehensive study to determine the geographical origin of Turkish olive oils in terms of these mentioned features. Classification performances of the algorithms were compared using accuracy, specificity and sensitivity metrics. Random Forest, BayesNet, and LogitBoost algorithms were found as the best classification algorithms for authentication of Turkish olive oils. Using the classification model in this study, geographic origin of an unknown olive oil can be predicted with high accuracy. Besides, similar models can be developed to obtain useful information for authentication of other food products.

Keywords

Machine learning Classification algorithms Authentication Geographic origin Olive oil 

Notes

Acknowledgements

This study was supported Ege University, Council of Scientific Research Projects (Project No. 14-MUH-063 BAP project). Chemical analyses of this work was supported by the EGE University Drug Research and Pharmacokinetic Development and Applied Center (ARGEFAR).

Compliance with ethical standards

Conflict of interest

The authors have declared that they have no conflict of interest.

Supplementary material

13197_2019_4189_MOESM1_ESM.docx (155 kb)
Supplementary material 1 (DOCX 155 kb)
13197_2019_4189_MOESM2_ESM.docx (43 kb)
Supplementary material 2 (DOCX 43 kb)

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Copyright information

© Association of Food Scientists & Technologists (India) 2019

Authors and Affiliations

  1. 1.Department of Computer Engineering, Faculty of EngineeringEge UniversityBornova, IzmirTurkey
  2. 2.Central Research Testing and Analysis Laboratory Research and Application Center (EGE-MATAL)Ege UniversityBornova, IzmirTurkey
  3. 3.Department of Chemistry, Faculty of ScienceEge UniversityBornova, IzmirTurkey

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