Analysis of Fatty Acid Profiles of Kingfish (Scomberomorus commerson) from Different Coastal Regions of Sultanate of Oman

Figures & data

Table 1. Origin, size, and weight of kingfish (S. commerson) analyzed for fatty acid content

Sample no.	Region	Origin(sea)	Length (cm)	Fresh weight (kg)
F1	Dhofar	Raysut	86.10	3.20
F2	Dhofar	Raysut	84.70	3.25
F3	Dhofar	Raysut	80.50	2.75
F4	Dhofar	Raysut	75.30	2.25
F5	Dhofar	Raysut	86.10	3.20
F6	Dhofar	Raysut	84.70	3.25
F7	Dhofar	Raysut	80.50	2.75
F8	Dhofar	Raysut	75.30	2.25
F9	Dhofar	Raysut	117.70	9.66
F10	Dhofar	Raysut	112.90	9.37
F11	Dhofar	Raysut	83.80	3.69
F12	Dhofar	Raysut	112.90	9.37
F13	Batinah	Sawadi	69.00	1.72
F14	Batinah	Sawadi	84.00	3.37
F15	Batinah	Sawadi	84.50	3.40
F16	Batinah	Sawadi	79.70	2.99
F17	Batinah	Sawadi	78.00	2.80
F18	Batinah	Barka	83.80	3.69
F19	Batinah	Barka	83.00	3.37
F20	Batinah	Barka	83.00	3.37
F21	Batinah	Barka	94.40	5.24
F22	Batinah	Barka	94.40	5.24
F23	Batinah	Sohar	101.0	9.00
F24	Batinah	Sohar	95.00	5.00
F25	Batinah	Sohar	77.6	2.84
F26	Batinah	Shanas	82.10	3.37
F27	Batinah	Shanas	112.00	8.24
F28	Batinah	Suwaiq	66.50	3.83
F29	Batinah	Sohar	86.00	4.20
F30	Batinah	Sohar	89.00	4.17
F31	Batinah	Sohar	87.90	4.19
F32	Batinah	Suwaiq	81.60	3.04
F33	Batinah	Suwaiq	90.00	4.85
F34	Batinah	Barka	83.80	3.69
F35	Batinah	Barka	83.80	3.69
F36	Batinah	Barka	83.00	3.37
F37	Batinah	Barka	83.00	3.37
F38	Batinah	Barka	84.50	3.25
F39	Batinah	Suwaiq	117.5	9.97
F40	Batinah	Suwaiq	102.20	5.16

Table 2. Fatty acid content of kingfish (S. commerson) from different coastal regions of Oman(mg g⁻¹F.W.)

	Fatty acid
Sample	C14	C15	C16	C16: 1ω7	C17	C18	C18: 1ω9	C18: 2ω6	C20	C20: 4ω6	C20: 5ω3	C22: 6ω3	ΣFA	ΣSAFA	ΣPUFA	Σω3	Σω6	Σω3/Σω6	ΣPUFA/ΣFA
F1	2.08	0.27	9.34	1.96	0.31	2.47	4.16	0.40	0.26	0.10	5.19	1.92	28.46	14.73	13.73	7.11	0.50	14.22	0.48
F2	1.19	0.97	5.11	1.11	0.66	2.97	4.62	0.29	0.23	0.09	4.97	2.00	24.21	11.13	13.08	6.96	0.38	18.31	0.54
F3	1.16	0.59	4.96	1.82	0.40	2.11	5.57	0.35	0.29	0.11	5.00	1.34	23.70	9.51	14.19	6.34	0.46	13.78	0.59
F4	1.20	0.14	5.70	1.06	0.21	2.09	3.49	0.33	0.15	0.17	5.31	1.69	21.54	9.49	12.05	7.00	0.50	14.00	0.56
F5	1.4	0.17	9.80	2.01	0.39	4.47	5.35	0.41	0.18	1.25	6.23	2.46	34.12	16.41	17.71	8.69	1.66	5.24	0.52
F6	1.51	0.18	9.94	2.10	0.27	4.26	8.66	0.17	0.20	0.88	8.00	2.55	38.72	16.36	22.36	10.55	1.05	10.05	0.58
F7	1.24	0.80	5.99	2.32	0.21	2.54	4.31	0.21	0.13	0.93	9.99	4.80	33.48	10.91	22.57	14.80	1.14	12.98	0.67
F8	1.83	0.91	6.03	2.85	0.31	3.8	4.88	0.32	0.15	1.07	11.57	3.60	37.31	13.03	24.28	15.16	1.39	10.91	0.65
F9	1.75	0.23	7.86	2.00	0.38	2.70	4.75	0.70	0.62	0.21	4.97	3.19	29.40	13.54	15.82	8.16	0.91	8.97	0.54
F10	1.79	0.47	14.20	2.25	0.22	6.78	16.70	0.33	0.39	0.15	5.19	5.43	53.90	23.85	30.05	10.62	0.48	22.12	0.56
F11	2.43	0.14	8.14	1.21	1.37	3.51	6.46	0.51	0.32	0.74	7.21	5.94	37.98	15.91	22.07	13.15	1.25	10.52	0.58
F12	2.19	0.39	13.20	3.69	0.98	5.11	10.40	1.20	1.03	0.46	14.00	2.11	54.76	22.90	31.86	16.11	1.66	9.70	0.58
F13	1.45	0.41	6.97	2.37	0.19	2.79	5.19	0.89	0.41	0.18	6.00	1.99	28.84	12.22	16.62	7.99	1.07	7.47	0.57
F14	1.33	0.19	5.12	1.27	0.21	2.39	4.17	0.47	0.36	0.20	4.32	1.14	21.17	9.60	11.57	5.46	0.67	8.15	0.55
F15	2.00	0.34	7.59	2.47	0.27	2.72	4.26	0.86	0.67	0.27	3.97	1.30	26.72	13.59	13.13	5.27	1.13	4.66	0.49
F16	1.83	0.38	8.20	1.04	0.11	2.23	4.01	0.34	0.29	0.18	4.13	2.37	25.11	13.04	12.07	6.50	0.52	12.50	0.48
F17	1.20	0.29	6.90	1.26	0.16	2.98	3.64	0.48	0.34	0.22	4.89	3.30	25.70	11.87	13.79	11.94	0.73	16.35	0.53
F18	2.35	0.35	8.69	2.45	0.50	3.31	5.28	1.34	0.56	0.30	5.00	5.24	35.40	15.76	19.61	12.70	1.42	8.94	0.55
F19	2.91	0.54	10.80	3.22	0.73	4.57	6.34	1.05	0.80	0.47	10.00	1.41	42.80	20.35	22.49	6.71	0.88	7.62	0.52
F20	1.10	0.33	6.95	6.95	0.49	3.85	4.49	0.57	0.34	0.67	6.99	2.34	35.10	13.06	22.01	12.81	1.82	7.03	0.63
F21	3.79	0.28	12.30	4.18	0.38	3.69	8.23	0.80	0.47	0.21	7.16	1.72	43.20	20.91	22.30	10.13	1.26	8.03	0.52
F22	1.42	0.22	8.67	4.76	0.28	2.35	6.35	0.55	0.24	0.49	5.11	3.62	34.10	13.18	20.88	18.21	1.87	9.73	0.61
F23	1.61	0.29	7.58	1.88	0.25	3.46	4.10	0.73	0.11	0.23	4.00	1.21	25.50	13.30	12.15	11.75	1.33	8.83	0.49
F24	1.49	0.17	5.73	1.48	0.27	2.04	3.29	0.54	0.43	0.19	7.39	4.55	27.60	10.13	17.44	18.33	1.98	9.25	0.63
F25	2.91	0.52	14.60	4.50	0.82	6.07	11.30	1.31	1.21	0.11	10.70	2.00	56.10	26.13	29.92	12.70	1.42	8.94	0.53
F26	2.01	0.34	8.23	2.21	0.44	3.15	8.77	0.71	0.34	0.17	5.00	1.71	33.10	14.51	18.57	6.71	0.88	7.62	0.56
F27	2.55	0.51	13.40	3.58	0.69	5.60	11.00	1.18	0.75	0.64	4.58	8.23	52.70	23.50	29.21	12.81	1.82	7.03	0.55
F28	1.19	0.16	3.43	2.83	0.55	3.32	6.81	0.93	0.39	0.33	6.13	4.00	30.10	9.04	21.03	10.13	1.26	8.03	0.69
F29	2.85	0.34	11.40	3.57	0.57	4.18	8.57	1.02	0.88	0.85	14.50	3.71	52.40	20.22	32.22	18.21	1.87	9.74	0.61
F30	1.26	0.19	5.62	1.51	0.48	2.12	6.79	0.56	0.53	0.77	8.00	3.75	31.60	10.20	21.38	11.75	1.33	8.83	0.67
F31	2.96	0.33	11.20	3.22	0.54	4.16	7.50	1.17	1.18	0.81	15.00	3.33	51.40	20.37	31.03	18.33	1.98	9.26	0.60
F32	1.98	0.32	7.35	1.97	0.49	2.93	5.71	1.11	0.43	0.69	6.88	3.89	33.80	13.50	20.25	10.77	1.80	5.98	0.59
F33	2.51	0.44	13.18	4.40	0.69	5.00	9.90	1.24	1.09	1.08	18.00	4.10	62.25	23.53	38.72	22.10	2.32	9.52	0.62
F34	2.67	0.52	12.90	4.67	0.84	5.45	8.87	1.57	1.10	1.18	6.00	10.86	56.63	23.48	33.15	16.86	2.75	6.13	0.58
F35	1.49	0.17	8.59	1.51	0.67	4.12	7.26	0.49	0.31	1.21	7.18	4.11	37.11	15.35	21.76	11.29	1.70	6.64	0.59
F36	2.39	0.52	12.00	4.24	0.80	5.23	8.81	1.35	1.14	0.84	15.80	2.99	56.11	22.08	34.03	18.79	2.19	8.58	0.60
F37	1.76	0.19	8.16	1.57	0.59	4.15	5.63	0.58	0.28	1.10	10.70	3.69	38.40	15.13	23.27	14.39	1.68	8.56	0.60
F38	3.45	0.74	16.80	6.33	1.21	7.43	13.40	2.61	2.08	1.71	25.40	3.91	85.07	31.71	53.36	29.31	4.32	6.78	0.63
F39	1.18	0.24	6.85	2.16	0.53	3.25	6.43	0.64	0.37	0.76	5.88	5.00	33.29	12.42	20.87	10.88	1.40	7.77	0.62
F40	1.39	0.27	7.75	2.36	0.59	3.59	7.13	0.76	0.61	0.59	9.23	5.45	39.72	14.20	25.52	14.68	1.35	10.87	0.64

Table 3. Fatty acid profiles of kingfish from two regions of the Sultanate of Oman

	Least square means of fatty acids
Fatty acids	Batinah	Dhofar
C14	2.13 ± 0.12^a	1.45 ± 0.23^b
C15	0.35 ± 0.04	0.50 ± 0.07
C16	9.75 ± 0.55^a	0.50 ± 1.04^b
C16:1ω7	3.04 ± 0.27^a	1.90 ± 0.50^b
C17	0.56 ± 0.05	0.35 ± 0.09
C18	3.99 ± 0.25	3.09 ± 0.47
C18:1ω9	7.52 ± 0.53^a	5.13 ± 0.99^b
C18:2ω6	1.10 ± 0.08^a	0.31 ± 0.15^b
C20	0.66 ± 0.07^a	0.20 ± 0.13^b
C20:4ω6	0.58 ± 0.08	0.58 ± 0.15
C20:5ω3	8.67 ± 0.89	7.03 ± 1.60
C22:6ω3	3.62 ± 0.37	2.55 ± 0.69
Total FA	41.82 ± 2.50^a	30.19 ± 4.68^b
Total SUFA	17.45 ± 0.99^a	12.70 ± 1.86^b
Total PUFA	24.37 ± 1.60^a	17.50 ± 2.61^b
Total ω3 FA	12.85 ± 1.01^a	17.49 ± 1.89^b
Total ω6 FA	1.54 ± 0.33^a	9.58 ± 0.63^b
ω3/ω6	9.05 ± 0.65	9.57 ± 1.21
ΣPUFA/ΣFA	0.58 ± 0.10	0.57 ± 0.02

Note: Least square means (LSM) ± standard error mean within rows with different superscripts are significantly different (P < 0.05) between the two coastal regions.

Figure 1. Second order regression of the weight of fish with length (A) and ω3 type FA vs. fish weight (B). (C) Second order regression of ω6 type FA vs. fish weight.

Figure 2. Different types of FA and quotients vs. sum of all FA (ΣFA) in kingfish from Omani coasts.