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

Table 6

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

Compounds	Retention time (min)	Relative content (%) in skin
		Oujda		Nador		Essaouira
		H. E	EAc. E	H. E	EAc. E	H. E	EAc. E
Propanoic acid	12.02 ± 0.01	nd	nd	nd	2.09 ± 0.10	nd	nd
Capric acid (C10 : 0)	14.99 ± 0.01	nd	nd	nd	nd	nd	2.1 ± 0.09
Citric acid	17.23 ± 0.04	0.89 ± 0.10	nd	0.64 ± 0.02	nd	2.18 ± 0.09	nd
Lauric acid (C12 : 0)	17.89 ± 0.01	0.98 ± 0.01	nd	1.27 ± 0.31	nd	3.43 ± 0.21	nd
4-Fluorobenzoic acid	17.52 ± 0.04	2.14 ± 0.2	16.48 ±.31	nd	1.06 ± 0.28	nd	0.6 ± 0.01
9-Eicosene (E)	18.78 ± 0.01	nd	nd	nd	nd	nd	3.5 ± 0.09
Lauryl ethoxylate	20.32 ± 0.01	nd	3.28 ± 0.04	1.33 ± 0.09	nd	nd	nd
Myristic acid (C14 : 0)	20.38 ± 0.02	2.34 ± 0.02	nd	nd	nd	6.37 ± 0.32	nd
Pentadecanoic acid (C15 : 0)	21.48 ± 0.03	5.08 ± 0.09	nd	nd	nd	1.88 ± 0.51	nd
11-Hexadecenoic acid (C16 : 1)	22.39 ± 0.04	nd	nd	nd	nd	15.39 ± 1.26	nd
Palmitic acid (C16 : 0)	23.60 ± 0.09	28.15 ± 0.31	13.01 ± 0.41	45.28 ± 0.28	28.34 ± 0.89	17.49 ± 0.75	14.17 ± 0.29
Margaric acid (C17 : 0)	23.77 ± 0.07	3.15 ± 0.09	nd	nd	nd	nd	10.7 ± 0.35
Oleic acid (C18 : 1)	24.13 ± 0.05	16.67 ± 0.23	nd	nd	nd	nd	nd
Linoleic acid (C18 : 2)	24.40 ± 0.09	40.55 ± 1.56	67.07 ± 2.01	51.39 ± 0.91	68.09 ± 0.78	52.98 ± 0.51	38.27 ± 0.86
Stearic acid (C18 : 0)	24.98 ± 0.01	nd	nd	nd	nd	nd	3.22 ± 0.03
SFA^a		39.70	13.01	46.55	28.34	29.17	25.39
UFA^b		57.22	67.07	51.39	68.09	68.37	58.27
UFA/SFA^c		1.44	5.15	1.09	2.43	2.34	2.29
Yield of extracts (%)		1.77 ± 0.10	0.98 ± 0.10	1.16± 0.37	0.91 ± 0.47	1.06± 0.20	1.11 ± 0.37

nd: no 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.