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Application of “magnetic tongue” to the sensory evaluation of extra virgin olive oil

Authors
Journal
Food Chemistry
0308-8146
Publisher
Elsevier
Publication Date
Volume
140
Issue
4
Identifiers
DOI: 10.1016/j.foodchem.2012.10.135
Keywords
  • Nmr
  • Multivariate Analysis
  • Sensory Analysis
  • Extra Virgin Olive Oil
Disciplines
  • Biology
  • Psychology

Abstract

Abstract The perception of odour and flavour of foods is a complicated physiological and psychological process that cannot be explained by simple models. Unfortunately, taste is not objective, but partially subjective and it depends also on the mood of the taster. Generally, sensory analysis is used to describe sensory features. The availability of a number of instrumental techniques has opened up the possibility to calibrate the sensory perception. Here we have tested the potentiality of nuclear magnetic resonance spectroscopy as “magnetic tongue” to measure sensory descriptors in extra-virgin olive oil. We were able to correlate the NMR metabolomic fingerprints of extra-virgin olive oil to the sensory descriptors: tomato, bitter, pungent, rosemary, artichoke, sweet, grassy and leaf.

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