Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6082
Title: Geographical differentiation of a monovarietal olive oil using various chemical parameters and mid-infrared spectroscopy
Authors: Uncu, Oğuz
Özen, Banu
Keywords: Olive oil
Chemical analysis
Chemical stability
Cost effectiveness
Linoleic acid
Issue Date: 28-Jun-2016
Publisher: Royal Society of Chemistry
Source: Uncu, O., and Özen, B. (2016). Geographical differentiation of a monovarietal olive oil using various chemical parameters and mid-infrared spectroscopy. Analytical Methods, 8(24), 4872-4880. doi:10.1039/c6ay01290f
Abstract: Increased demand for monovarietal olive oils from local olive varieties with unique characteristics as well as regulations such as 'Protected Designation of Origin' makes it necessary to identify methods for geographical classification of this product. Geographical differentiation of olive oils from a local olive variety from nine distinct locations of a peninsula in the west part of Turkey is investigated by using mid-infrared spectroscopic data and several chemical parameters (total phenol content, fatty acid and phenol profile, total carotene and chlorophyll content and oxidative stability). The best differentiation with respect to geographical origin was obtained with partial least square-discriminant analysis (PLS-DA) of a combination of various chemical parameters. The fatty acid profile also provided good separation of geographic locations and was slightly better than mid-infrared analysis. The best separation was achieved with respect to palmitic, oleic and linoleic acid contents of olive oils. However, mid-infrared spectroscopy with the advantages of being environmentally friendly, cost effective and a fast method could also be used to differentiate monovarietal olive oils with respect to their growing locations by factors such as micro-climates, proximity of regions and position to the sea.
URI: https://doi.org/10.1039/c6ay01290f
http://hdl.handle.net/11147/6082
ISSN: 1759-9660
Appears in Collections:Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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