Detection of virgin olive oil adulteration using low field unilateral NMR

XU, Z., MORRIS, R.H., BENCSIK, M. and NEWTON, M.I., 2014. Detection of virgin olive oil adulteration using low field unilateral NMR. Sensors, 14 (2), pp. 2028-2035. ISSN 1424-8220

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Abstract

The detection of adulteration in edible oils is a concern in the food industry, especially for the higher priced virgin olive oils. This article presents a low field unilateral nuclear magnetic resonance (NMR) method for the detection of the adulteration of virgin olive oil that can be performed through sealed bottles providing a non-destructive screening technique. Adulterations of an extra virgin olive oil with different percentages of sunflower oil and red palm oil were measured with a commercial unilateral instrument, the profile NMR-Mouse. The NMR signal was processed using a 2-dimensional Inverse Laplace transformation to analyze the transverse relaxation and self-diffusion behaviors of different oils. The obtained results demonstrated the feasibility of detecting adulterations of olive oil with percentages of at least 10% of sunflower and red palm oils.

Item Type: Journal article
Publication Title: Sensors
Creators: Xu, Z., Morris, R.H., Bencsik, M. and Newton, M.I.
Publisher: MDPI
Place of Publication: Basel, Switzerland
Date: 2014
Volume: 14
Number: 2
ISSN: 1424-8220
Identifiers:
NumberType
10.3390/s140202028DOI
Rights: © 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 09:50
Last Modified: 23 Aug 2016 09:06
URI: http://irep.ntu.ac.uk/id/eprint/3611

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