title: Use of Raman spectroscopy for determining erucic acid content in canola oil.
abstract: This study presents a novel method to determine erucic acid in canola oil samples by using Raman spectroscopy and chemometric analysis. The oil mixtures were prepared at various concentrations of erucic acid ranging from 0% to 33.56% (w/w) through binary combinations of different oils. In order to predict erucic acid content, Raman spectroscopy and GC results were correlated by means of partial least squares analysis. High coefficient of determination values was obtained for both calibration and validation data sets, which are 0.990 and 0.982, respectively. The results of the present study reveal the potential of Raman spectroscopy for rapid determination (45s) of erucic acid in canola oil. Further research would be useful to improve the method to put it forward as an alternative to GC in the erucic acid analysis.
authors.affiliation: Department of Food Engineering, Faculty of Agriculture, Namik Kemal University, 59030 Tekirdag, Turkey.
authors.forename: Serap
authors.initials: S
authors.lastname: Durakli Velioglu
authors.affiliation: Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe 06800, Ankara, Turkey.
authors.forename: Havva Tumay
authors.initials: HT
authors.lastname: Temiz
authors.affiliation: Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe 06800, Ankara, Turkey.
authors.forename: Elif
authors.initials: E
authors.lastname: Ercioglu
authors.affiliation: Department of Agricultural Biotechnology, Faculty of Agriculture, Namık Kemal University, 59030 Tekirdag, Turkey.
authors.forename: Hasan Murat
authors.initials: HM
authors.lastname: Velioglu
authors.affiliation: Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe 06800, Ankara, Turkey.
authors.forename: Ali
authors.initials: A
authors.lastname: Topcu
authors.affiliation: Department of Food Engineering, Faculty of Engineering, Hacettepe University, Beytepe 06800, Ankara, Turkey; Food Research Center, Hacettepe University, Beytepe, Ankara 06800, Turkey. Electronic address: ihb@hacettepe.edu.tr.
authors.forename: Ismail Hakki
authors.initials: IH
authors.lastname: Boyaci
mesh_terms: D004883:Erucic Acids / Q000032:analysis*; D010938:Plant Oils / Q000737:chemistry*; D000074262:Rapeseed Oil; D013059:Spectrum Analysis, Raman
chemical_list: D004883:Erucic Acids; D010938:Plant Oils; D000074262:Rapeseed Oil; C049811:erucic acid
keywords: Canola; Erucic acid; PLS regression; Raman spectroscopy