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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Effect of harvest date of Argania spinosa fruits on Argan oil quality
Industrial Crops and Products, Volume 56, Year 2014
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Description
Virgin Argan oil is a prized specialty oil produced by cold-pressing kernels of Argania spinosa fruits, and increasingly used in cosmetics. This work was aimed at studying the influence of fruit maturity - through harvest date - on the chemical composition of oil, in order to determine the optimal harvesting period. For this purpose, Argan fruit samples were collected at different ripening degrees. Oil quality was assessed by determining key analytical parameters: acidity, peroxide value, extinction coefficients (K270 and K232), fatty acid composition, phospholipid and tocopherol contents. In addition, the oxidative stability was measured by the Rancimat method. Argan oil obtained over the investigated period presented a rather stable chemical composition and met the standard. But owing to the higher content of tocopherols and phospholipids found in the oil from fruits collected in July (mid-summer, end of ripening period), this last sample presented the best oxidative stability. This brings an improved preservation upon storage, which is a suitable characteristic for industrial use. Therefore the stage of ripening (harvest date) is to be considered, and there is a preferred time for fruit collection in view to preparing high quality Argan oil. © 2014 Elsevier B.V.
Authors & Co-Authors
Harhar, Hicham
Morocco, Rabat
Mohammed V University in Rabat
Said, Gharby
Morocco, Rabat
Mohammed V University in Rabat
Morocco, Agadir
Etablissement Autonome de Contrôle et de Coordination Des Exportations
Kartah, B. Eddine
Morocco, Rabat
Mohammed V University in Rabat
Pioch, Daniel
France, Montpellier
Biomasse, Bois, Énergie, Bio-produits Biowooeb
Guillaume, Dominique
France, Reims
Université de Reims Champagne-ardenne
Charrouf, Zoubida
Morocco, Rabat
Mohammed V University in Rabat
Statistics
Citations: 46
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.1016/j.indcrop.2014.01.046