Aquaculture Nutrition

Research Article

Alteration of Growth Performance, Antioxidant Capacity, Tissue Fatty Acid Profiles, and Lipid Metabolism of Mud Crab (Scylla paramamosain) Juvenile in Response to Different Dietary Arachidonic Acid Levels

Table 2

Fatty acid compositions of different experimental diets (mg g^-1 dry matter).


Fatty acids	Dietary ARA levels (g kg^-1)
Fatty acids	0.40	2.50	4.60	8.90	12.50	15.70

14 : 0	2.52	2.31	2.30	2.35	2.37	2.41
16 : 0	31.43	26.73	24.96	21.17	15.27	9.50
18 : 0	2.08	2.09	2.35	2.85	3.26	3.65
	36.03	31.14	29.61	26.37	20.91	15.56
16:1n-7	3.04	2.79	2.80	2.83	2.84	2.86
18:1n-9	8.41	8.10	8.53	9.40	9.92	10.45
20:1n-9	0.26	0.25	0.28	0.33	0.36	0.40
	11.71	11.14	11.62	12.57	13.13	13.70
18:2n-6	3.81	3.71	3.94	4.29	4.34	4.58
20:4n-6	0.43	2.54	4.64	8.92	12.54	15.73
	4.24	6.25	8.58	13.21	16.88	20.31
18:3n-3	1.01	0.94	0.99	1.03	1.01	1.04
18:4n-3	0.56	0.50	0.52	0.53	0.53	0.54
20:5n-3	5.56	5.19	5.13	5.24	5.39	5.36
22:5n-3	0.75	0.72	0.71	0.71	0.73	0.74
22:6n-3	4.71	4.34	4.35	4.31	4.17	3.87
	12.59	11.69	11.71	11.82	11.83	11.55
n-3/n-6 PUFA^e	2.97	1.87	1.36	0.89	0.70	0.57
EPA/DHA^f	1.18	1.20	1.18	1.22	1.29	1.39
ARA/EPA^g	0.08	0.49	0.90	1.70	2.33	2.93
ARA/DHA^h	0.09	0.58	1.07	2.07	3.01	4.07

Some fatty acids, of which the contents are minor, trace amount or not detected, such as 12 : 0, 20 : 0, 22 : 0, 24 : 0, 22:1n-9, 22:1n-11, 20:2n-6, 20:3n-6, 22:4n-6, 20:5n-6, 20:3n-3, and 20:4n-3, were not listed in this table. ^aSFA: saturated fatty acids; ^bMUFA: monounsaturated fatty acids; ^cn-6 PUFA: n-6 polyunsaturated fatty acids; ^dn-3 PUFA: n-3 polyunsaturated fatty acids; ^en-3/n-6 PUFA: n-3 polyunsaturated fatty acids: n-6 polyunsaturated fatty acids; ^fEPA/DHA: the ratio of EPA to DHA; ^gARA/EPA: the ratio of ARA to EPA; and ^hARA/DHA: the ratio of ARA to DHA.