Date Palm Seed Oil (Phoenix dactylifera L.) Green Extraction: Physicochemical Properties, Antioxidant Activities, and Phenolic and Fatty Acid Profiles

Table 2

Physicochemical properties of extracted seed oils.

Solvent	Soxhlet		Soaking in essential oil
	Ether petroleum	Essential oil
Yield (%)	9.8 ± 1.02b	9.25 ± 1.50b	13.88 ± 0.95a
Color (supplementary file 1)	Yellow	Brown	Brown
Odor	Unpleasant	Good	Good
Density (g/cm^3)	0.87 ± 0.11a	0.86 ± 0.08a	0.86 ± 0.10a
Physic state at 4°C	Solid	Liquid	Liquid
Acidity (mg/g)	0.87 ± 0.02b	1.03 ± 0.31a	1.01 ± 0.23a
Peroxide value (meqO2/kg)	2.96 ± 0.61b	4.26 ± 0.69a	5.05 ± 0.76a

Mean and standard deviation values with the same letter within the same parameter were not significantly different ().