Triacylglycerol “hand-shape profile” of Argan oil. Rapid and simple UHPLC-PDA-ESI-TOF/MS and HPTLC methods to detect counterfeit Argan oil and Argan-oil-based products

Giordana Pagliuca, Carlotta Bozzi, Francesca Romana Gallo, Giuseppina Multari, Giovanna Palazzino, Rita Porrà, Alessia Panusa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The marketing of new argan-based products is greatly increased in the last few years and consequently, it has enhanced the number of control analysis aimed at detecting counterfeit products claiming argan oil as a major ingredient. Argan oil is produced in Morocco and it is quite expensive. Two simple methods for the rapid screening of pure oil and argan-oil based products, focused on the analysis of the triacylglycerol profile, have been developed. A three-minute-run by UHPLC-PDA allows the identification of a pure argan oil, while the same run with the MS detector allows also the analysis of products containing the oil down to 0.03%. On the other hand, by HPTLC the simultaneous analysis of twenty samples, containing argan oil down to 0.5%, can be carried out in a forty-five-minute run. The triglyceride profile of the most common vegetable fats such as almond, coconut, linseed, wheat germ, sunflower, peanut, olive, soybean, rapeseed, hemp oils as well as shea butter used either in cosmetics or commonly added for the counterfeiting of argan oil, has been also investigated. Over sixty products with different formulations and use have been successfully analyzed and argan oil in the 2.4–0.06% concentration range has been quantified. The methods are suitable either for a rapid screening or for quantifying argan oil in different formulations.

Original languageEnglish
Pages (from-to)121-131
Number of pages11
JournalJournal of Pharmaceutical and Biomedical Analysis
Volume150
DOIs
Publication statusPublished - Feb 20 2018

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Personal digital assistants
Triglycerides
Hand
Screening
Oils
Oil and Gas Fields
Flax
Morocco
Butter
Cocos
Cosmetics
argan oil
Helianthus
Vegetables
Olea
Cannabis
Marketing
Soybeans
Triticum
Fats

Keywords

  • Argan oil
  • Argan oil products
  • Counterfeiting
  • HPTLC
  • Triacylglycerols
  • UHPLC-PDA-ESI-TOF/MS

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmaceutical Science
  • Drug Discovery
  • Spectroscopy
  • Clinical Biochemistry

Cite this

Triacylglycerol “hand-shape profile” of Argan oil. Rapid and simple UHPLC-PDA-ESI-TOF/MS and HPTLC methods to detect counterfeit Argan oil and Argan-oil-based products. / Pagliuca, Giordana; Bozzi, Carlotta; Gallo, Francesca Romana; Multari, Giuseppina; Palazzino, Giovanna; Porrà, Rita; Panusa, Alessia.

In: Journal of Pharmaceutical and Biomedical Analysis, Vol. 150, 20.02.2018, p. 121-131.

Research output: Contribution to journalArticle

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