A simple and effective mass spectrometric approach to identify the adulteration of the mediterranean diet component extra-virgin olive oil with corn oil

Francesco Di Girolamo, Andrea Masotti, Isabella Lante, Margherita Scapaticci, Cosima Damiana Calvano, Carlo Zambonin, Maurizio Muraca, Lorenza Putignani

Research output: Contribution to journalArticle

Abstract

Extra virgin olive oil (EVOO) with its nutraceutical characteristics substantially contributes as a major nutrient to the health benefit of the Mediterranean diet. Unfortunately, the adulteration of EVOO with less expensive oils (e.g., peanut and corn oils), has become one of the biggest source of agricultural fraud in the European Union, with important health implications for consumers, mainly due to the introduction of seed oil-derived allergens causing, especially in children, severe food allergy phenomena. In this regard, revealing adulterations of EVOO is of fundamental importance for health care and prevention reasons, especially in children. To this aim, effective analytical methods to assess EVOO purity are necessary. Here, we propose a simple, rapid, robust and very sensitive method for non-specialized mass spectrometric laboratory, based on the matrix-assisted laser desorption/ionization mass spectrometry (MALDI-TOF MS) coupled to unsupervised hierarchical clustering (UHC), principal component (PCA) and Pearson’s correlation analyses, to reveal corn oil (CO) adulterations in EVOO at very low levels (down to 0.5%).

Original languageEnglish
Pages (from-to)20896-20912
Number of pages17
JournalInternational Journal of Molecular Sciences
Volume16
Issue number9
DOIs
Publication statusPublished - Sep 1 2015

Fingerprint

Mediterranean Diet
Olive oil
diets
corn
Corn Oil
Nutrition
oils
Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry
Oils
health
Health
Allergens
Allergies
Fraud
Oilseeds
Food Hypersensitivity
Insurance Benefits
European Union
Dietary Supplements
Health care

Keywords

  • Corn oil
  • Extra-virgin olive oil
  • MALDI-TOF MS
  • Mediterranean diet
  • Phospholipids’ profiles

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Spectroscopy
  • Inorganic Chemistry
  • Catalysis
  • Molecular Biology
  • Computer Science Applications

Cite this

A simple and effective mass spectrometric approach to identify the adulteration of the mediterranean diet component extra-virgin olive oil with corn oil. / Di Girolamo, Francesco; Masotti, Andrea; Lante, Isabella; Scapaticci, Margherita; Calvano, Cosima Damiana; Zambonin, Carlo; Muraca, Maurizio; Putignani, Lorenza.

In: International Journal of Molecular Sciences, Vol. 16, No. 9, 01.09.2015, p. 20896-20912.

Research output: Contribution to journalArticle

Di Girolamo, Francesco ; Masotti, Andrea ; Lante, Isabella ; Scapaticci, Margherita ; Calvano, Cosima Damiana ; Zambonin, Carlo ; Muraca, Maurizio ; Putignani, Lorenza. / A simple and effective mass spectrometric approach to identify the adulteration of the mediterranean diet component extra-virgin olive oil with corn oil. In: International Journal of Molecular Sciences. 2015 ; Vol. 16, No. 9. pp. 20896-20912.
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