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Title: Development of chromatographic and moleculer spetroscopic multivariate chemometric models for the geographical classification of olive oils
Authors: Özdemir, Durmuş
Çelik, Deniz
Issue Date: 2013
Publisher: İzmir Institute of Technology
Izmir Institute of Technology
Abstract: Olive oil is a fat obtained from the olive (the fruit of Olea europaea; family Oleaceae), a traditional tree crop of the Mediterranean Basin. The oil is produced by grinding whole olives and extracting the oil by mechanical or chemical means. It is commonly used in cooking, cosmetics, pharmaceuticals, and soaps and as a fuel for traditional oil lamps. The classification of olive based on geographical origin is of great interest since the quality of olive oil depends on its chemical composition and geographical origin. In this study, it is aimed to develop classification models using elemental and molecular composition of olive oil samples via chromatographic method and molecular spectrometry. For this purpose, olive oil samples from diffirent regions of Turkey (Manisa and Bursa) were collected from producers and they were scanned with Fourier Transform Infrared spectrometer equiped with attenuated total reflectance (FTIR-ATR) accesory, and Gas Chromatography (GC), High Performance Liquid Chromatography (HPLC). Afterwards, any clustering of samples based on their regions was investigated using principal component analysis (PCA) and hierarchical cluster analysis (HCA). In conclusion, although molecular spectrometry is more advantageous for the classification of olive oil samples in the case of saving time, saving chemicals and ease of usage, chromatography gave better classification results based on geograpical origin compared to results obtained with molecular spectrometry.
Description: Thesis (Master)--İzmir Institute of Technology, Chemistry, İzmir, 2013
Includes bibliographical references (leaves: 108-111)
Text in English; Abstract: Turkish and English
xii, 111 leaves
Appears in Collections:Master Degree / Yüksek Lisans Tezleri

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