Effect of clones, year of harvest and geographical origin of fruits on quality and chemical composition of Argan oil

•Geographical area has a very highly significant effect on Argan oil composition.•Clone age has a significant effect on tocopherol levels.•A relationship related the fatty acids concentration and some tocopherols levels.•Argan clones show a significant effect on the content of α, β and γ tocopherols...

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Bibliographic Details
Published in:	Food chemistry Vol. 297; p. 124749
Main Authors:	Aithammou, Rachid, Harrouni, Cherif, Aboudlou, Leila, Hallouti, Ayoub, Mlouk, Mohamed, Elasbahani, Abdelhafed, Daoud, Salma
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-11-2019
Subjects:	Age Argan oil Clone Fatty acids Geographic origin Quality Tocopherols Year of harvest Palmitic acid (PubChem CID: 985) δ-Tocopherol (PubChem CID: 92094) Stearic acid (PubChem CID: 5281) α-Tocopherol (PubChem CID: 14985) Geographic origin Fatty acids γ-Tocopherol (PubChem CID: 92729) Year of harvest N-hexane (PubChem CID: 8058) Helium (PubChem CID: 23987) N-heptane (PubChem CID: 8900) Quality Oleic acid (PubChem CID: 445639) Tocopherols Argan oil Linoleic acid (PubChem CID: 5280450) Age Clone
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Summary:	•Geographical area has a very highly significant effect on Argan oil composition.•Clone age has a significant effect on tocopherol levels.•A relationship related the fatty acids concentration and some tocopherols levels.•Argan clones show a significant effect on the content of α, β and γ tocopherols. Argan oil is precious oil with food and cosmetic uses. In recent years, this oil has been subject to an increasing national and international demand. The present work aims at studying the effect of clones and age, year of harvest and geographical origin on Argan oil quality and chemical composition. The results indicate that age does not affect Argan oil quality and fatty acids content. However, clones had a significant effect on fatty acids and tocopherol levels. Saturated and unsaturated fatty acids were highly influenced by the year of harvest and geographical origin, presumably due to climatic conditions. Unsaturated fatty acids varied from 78.28% to 81.77%. Depending on clones, total tocopherols varied from 687.40 mg/kg to 1068 mg/kg. This study is useful for the choice of clones with the aim of developing Argan trees orchards destined to oil production.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0308-8146 1873-7072
DOI:	10.1016/j.foodchem.2019.05.024