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Authentication of canned fish packing oils by means of Fourier transform infrared spectroscopy.

Authentication of canned fish packing oils by means of Fourier transform infrared spectroscopy.

Authors :
Dominguez-Vidal A
Pantoja-de la Rosa J
Cuadros-Rodríguez L
Ayora-Cañada MJ
Source :
Food chemistry [Food Chem] 2016 Jan 01; Vol. 190, pp. 122-127. Date of Electronic Publication: 2015 May 16.
Publication Year :
2016

Abstract

The authentication of packing oil from commercial canned tuna and other tuna-like fish species was examined by means of attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and chemometrics. Using partial least squares discriminant analysis (PLS-DA), it was possible to differentiate olive oil from seed oils. Discrimination of olive oil from high-oleic sunflower oil was possible, despite the latter having a degree of unsaturation more similar to olive oil than to sunflower oil. However, in the samples analyzed, sunflower oil could not be differentiated clearly from those labeled with the generic term "vegetable oil". Furthermore, the authentication of extra virgin olive oil, although more difficult, could be achieved using ATR-FTIR spectroscopy. The method could be applied regardless of fish type, without interference from fish lipids.<br /> (Copyright © 2015 Elsevier Ltd. All rights reserved.)

Details

Language :
English
ISSN :
1873-7072
Volume :
190
Database :
MEDLINE
Journal :
Food chemistry
Publication Type :
Academic Journal
Accession number :
26212950
Full Text :
https://doi.org/10.1016/j.foodchem.2015.05.064