Chemical Composition and Physicochemical Analysis of Opuntia dillenii Extracts Grown in Morocco

Table 4

Chemical composition of hexane and ethyl acetate extracts from O. dillenii seeds fruits.

Compounds	Retention time (min)	Relative content (%) in seeds
		Oujda		Nador		Essaouira
		H. E	EAc. E	H. E	EAc. E	H. E	EAc. E
Butanoic acid (C4:0)	12.53 ± 0.04	nd	nd	nd	21.68 ± 0.02	nd	nd
Acetic acid	12.89 ± 0.04	nd	nd	nd	7.37 ± 0.11	nd	nd
Capric acid (C10 : 0)	14.69 ± 0.04	nd	nd	nd	4.41 ± 0.03	nd	nd
2,4-Decadienal	15.08 ± 0.03	0.71 ± 0.12	0.95 ± 0.05	nd	10.26 ± 0.05	nd	1.28 ± 0.07
Myristic acid (C14 : 0)	20.40 ± 0.02	2.91 ± 0.13	0.75 ± 0.12	2.41 ± 0.07	1.58 ± 0.08	0.97 ± 0.02	0.54 ± 0.12
Methoxyacetic acid	22.58 ± 0.01	nd	nd	nd	nd	nd	1.14 ± 0.45
Palmitic acid (C16 : 0)	22.62 ± 0.06	24.27 ± 0.17	9.40 ± 0.08	21.50 ± 0.41	12.98 ± 0.07	19.81 ± 0.07	20.17 ± 0.18
Margaric acid (C17 : 0)	23.10 ± 0.01	nd	6.18 ± 0.33	nd	nd	nd	nd
Oleic acid (C18 : 1)	24.41 ± 0.02	nd	5.04 ± 0.04	nd	nd	nd	nd
Linoleic acid (C18 : 2)	24.45 ± 0.08	66.57 ± 0.08	58.50 ± 0.21	72.39 ± 0.11	36.21 ± 0.33	69.60 ± 1.01	58.32 ± 2.04
Stearic acid (C18 : 0)	24.77 ± 0.05	5.49 ± 0.17	19.1 ± 0.40	2.37 ± 0.14	5.29 ± 0.12	9.61 ± 0.81	18.04 ± 0.21
SFA^a		32.67	35.43	26.28	45.94	30.39	39.89
UFA^b		66.57	63.54	72.39	36.21	60.69	58.32
UFA/SFA^c		2.04	1.79	2.75	0.78	2.29	1.46
Yield of extracts %		9.25 ± 0.07	0.92 ± 0.04	13.12 ± 0.02	0.96 ± 0.20	5.85 ± 0.47	1.34 ± 0.20

nd: not detected; H. E: hexane extract; EAc. E: ethyl acetate extract; a: saturated fatty acids (SFA); b: unsaturated fatty acids (UFA); c: unsaturation ratio = UFA/SFA.