4. Conclusion

      Three date palm (Phoenix dactylifera L) seed samples originating from Ouargla region were analyzed, and the characteristics and constituents of the seed oils were determined, including physico-chemical properties, specific gravity, refractive index, Saponification value, Acid value, and Iodine value. Total fatty acid composition was determined by gas liquid chromatography (GLC), The amount of sterols has been determined by a simple spectrophotometric method.

 The study of lipid profiles of date seeds oils may help their industrial application. Thus, waste products, such as seeds, from date industry, could serve as a source of edible oil.

 These results indicate that date seed oil could be used in cosmetics, pharmaceuticals and food

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