Oxidative Stability at Different Storage Conditions and Adulteration Detection of Prickly Pear Seeds Oil

Table 3

Comparison of fatty acids composition of pure prickly pear seeds oil (PPOS) and PPSO mixed at different rates with (A) olive oil and almond oil.

Fatty acids (%)	Pure oils			Mixture rates (%)
	PPSO	Olive oil	Almond oil	Olive oil/PPSO				Almond oil/PPSO
	100%	100%	100%	1%	5%	10%	15%	1%	5%	10%	15%
Myristic acid (C14 : 0)	0.04^a ± 0.00	0.05^a ± 0.00	0.00^a ± 0.01	0.07^a ± 0.00	0.04^a ± 0.00	0.05^a ± 0.01	0.03^a ± 0.01	0.04^a ± 0.00	0.00^a ± 0.00	0.00^a ± 0.00	0.00^a ± 0.01
Palmitic acid (C16 : 0)	12.15^e ± 0.04	8.80^b ± 0.11	4.44^a ± 0.04	12.36^e ± 0.24	12.18^e ± 0.00	12.11^e ± 0.00	11.82^d ± 0.07	12.15^e ± 0.04	12.45^e ± 0.03	11.54^d ± 0.20	11.02^c ± 0.07
Palmitoleic acid (C16 : 1)	0.52^a ± 0.06	0.40^a ± 0.01	1.32^b ± 0.04	0.56^a ± 0.02	0.52^a ± 0.14	0.53^a ± 0.13	0.56^a ± 0.00	0.52^a ± 0.06	0.62^a ± 0.03	0.58^a ± 0.01	0.50^a ± 0.04
Stearic acid (C18 : 0)	3.88^d ± 0.06	1.85^a ± 0.15	2.23^b ± 1.02	3.22^c ± 0.34	3.26^c ± 0.13	3.06^c ± 0.06	3.08^c ± 0.12	3.80^d ± 0.06	3.03^c ± 0.23	3.15^c ± 0.11	3.09^c ± 0.00
Oleic acid (C18 : 1)	20.17^a ± 0.11	74.11^f ± 0.80	71.37^f ± 0.02	21.99^b ± 1.82	23.61^c ± 0.31	24.15^c ± 0.21	30.42^e ± 0.03	20.17^a ± 0.11	20.36^a ± 0.03	25.46^c ± 0.87	28.66^e ± 0.13
Linoleic acid (C18 : 2)	60.21^d ± 0.05	12.72^a ± 0.01	20.51^b ± 0.10	61.05^d ± 2.50	59.77^d ± 0.02	59.30^d ± 0.02	52.74^c ± 0.09	60.20^d ± 0.05	61.78^e ± 0.64	59.17^c^d ± 0.72	55.6^c ± 0.22
Linolenic acid (C18 : 3)	0.35^a ± 0.03	1.00^b ± 0.07	0.03^a ± 0.00	0.22^a ± 0.04	0.15^a ± 0.05	0.24^a ± 0.04	0.35^a ± 0.05	0.35^a ± 0.03	0.47^a ± 0.13	0.37^a ± 0.06	0.21^a ± 0.01
Arachic acid (C20 : 0)	0.26^b ± 0.01	0.27^b ± 0.00	0.23^b ± 0.06	0.35^b ± 0.02	0.34^b ± 0.07	0.15^a ± 0.02	0.21^b ± 0.03	0.26^b ± 0.01	0.27^b ± 0.02	0.14^a ± 0.03	0.34^b ± 0.01
Eicosenoic acid (C20 : 1)	0.20^a ± 0.04	0.28^b ± 0.02	0.24^a ± 0.05	0.22^a ± 0.02	0.32^b ± 0.01	0.29^b ± 0.10	0.28^b ± 0.01	0.20^a ± 0.01	0.18^a ± 0.02	0.16^a ± 0.01	0.29^b ± 0.00
Iodine value	129.13^e ± 0.80	92.90^a ± 0.14	102.17^b ± 0.25	131.98^g ± 0.12	130.79^f ± 0.21	130.76^f ± 0.10	124.80^c ± 0.19	129.12^e ± 0.72	132.59^i ± 0.22	132.11^h ± 0.36	127.98^d ± 0.15

Values having same letter within the line are not significantly different according to Student–Newman–Keuls test at  < 0.05.