. 2019 Jul 3;14(7):e0219260. doi: 10.1371/journal.pone.0219260

Table 7. The principal fatty acid profiles (% total fatty acids) of the neutral lipids and polar lipids in the muscles of adult female E. sinensis.

Fatty acids	Neutral lipids				Polar lipids
Fatty acids	0 ‰	6 ‰	12 ‰	18 ‰	0 ‰	6 ‰	12 ‰	18 ‰
C16:0	9.51 ± 0.34	9.65 ± 0.08	9.51 ± 0.44	9.06 ± 0.02	10.96 ± 0.04	11.10 ± 0.03	11.09 ± 0.14	10.80 ± 0.02
C18:0	10.04 ± 0.27	10.04 ± 0.09	9.67 ± 0.17	10.12 ± 0.13	5.65 ± 0.11	5.38 ± 0.28	5.65 ± 0.08	5.48 ± 0.05
∑SFA	20.51 ± 0.65	20.56 ± 0.20	20.05 ± 0.26	19.99 ± 0.17	17.71 ± 0.10	17.53 ± 0.27	17.89 ± 0.30	17.30 ± 0.08
C16:1	2.70 ± 0.02	2.69 ± 0.13	2.48 ± 0.32	2.83 ± 0.06	3.46 ± 0.17	3.47 ± 0.34	3.22 ± 0.02	3.43 ± 0.07
C18:1n9	16.99 ± 0.27	17.28 ± 0.04	17.18 ± 0.89	18.04 ± 0.22	19.93 ± 0.23	20.25 ± 0.02	20.62 ± 0.06	20.91 ± 0.37
C18:1n7	3.61 ± 0.16	3.81 ± 0.29	3.60 ± 0.29	3.84 ± 0.06	4.08 ± 0.09	4.19 ± 0.20	4.15 ± 0.05	4.16 ± 0.10
C20:1n9	0.84 ± 0.02	0.86 ± 0.01	0.79 ± 0.05	0.94 ± 0.05	0.75 ± 0.01	0.74 ± 0.01	0.76 ± 0.05	0.79 ± 0.07
∑MUFA	24.49 ± 0.45	24.95 ± 0.43	24.40 ± 1.60	26.02 ± 0.39	28.75 ± 0.32	29.16 ± 0.57	29.32 ± 0.13	29.82 ± 0.60
C18:2n6	9.49 ± 0.33	10.78 ± 0.81	10.44 ± 0.34	9.69 ± 0.71	7.74 ± 0.53	10.29 ± 1.00	9.48 ± 0.67	8.10 ± 0.26
C18:3n3	0.95 ± 0.03	1.09 ± 0.03	1.09 ± 0.12	1.06 ± 0.01	0.83 ± 0.03^b	1.13 ± 0.02^a	1.06 ± 0.04^a	0.94 ± 0.04^ab
C20:2n6	2.52 ± 0.07	2.52 ± 0.12	2.56 ± 0.13	2.69 ± 0.08	1.64 ± 0.01	1.69 ± 0.02	1.73 ± 0.07	1.75 ± 0.03
C20:4n6	7.36 ± 0.16	7.64 ± 0.18	7.20 ± 0.61	8.09 ± 0.17	5.75 ± 0.36	5.76 ± 0.02	5.40 ± 0.25	6.09 ± 0.20
C20:5n3	15.82 ± 0.64	14.72 ± 0.27	14.70 ± 0.22	15.39 ± 0.03	16.82 ± 0.21^a	15.43 ± 0.02^b	15.52 ± 0.53^b	16.10 ± 0.20^ab
C22:5n3	0.66 ± 0.03^b	0.83 ± 0.05^ab	1.02 ± 0.13^a	0.89 ± 0.10^ab	1.07 ± 0.07	1.14 ± 0.03	1.12 ± 0.02	1.21 ± 0.05
C22:6n3	12.12 ± 0.37	10.92 ± 0.75	11.76 ± 0.13	11.39 ± 0.17	14.25 ± 0.03^a	12.58 ± 0.56^b	13.21 ± 0.33^ab	13.07 ± 0.10^ab
∑PUFA	49.42 ± 1.31	48.99 ± 0.56	49.27 ± 0.91	49.73 ± 0.69	48.37 ± 0.39	48.29 ± 0.42	47.80 ± 0.04	47.53 ± 0.70
∑n-3PUFA	30.06 ± 1.08	28.05 ± 1.07	29.07 ± 0.17	29.28 ± 0.27	33.23 ± 0.22^a	30.55 ± 0.58^b	31.19 ± 0.95^ab	31.60 ± 0.27^ab
∑n-6PUFA	19.37 ± 0.23	20.93 ± 0.52	20.20 ± 1.07	20.45 ± 0.95	15.14 ± 0.17	17.74 ± 1.00	16.61 ± 0.99	15.93 ± 0.43
n-3/n-6	1.56 ± 0.08	1.35 ± 0.10	1.45 ± 0.06	1.45 ± 0.13	2.21 ± 0.12^a	1.74 ± 0.10^b	1.89 ± 0.09^ab	2.00 ± 0.12^ab
∑LC-PUFA	36.47 ± 0.89	34.59 ± 1.21	35.18 ± 0.55	36.30 ± 0.11	38.15 ± 0.17^a	35.18 ± 0.59^b	35.53 ± 0.67^b	36.75 ± 0.52^ab
Unknown	4.50 ± 1.32	5.51 ± 0.78	5.31 ± 0.03	4.27 ± 0.13	5.17 ± 0.17	5.03 ± 0.12	5.00 ± 0.22	5.36 ± 0.03

Data are presented as mean ± SE (n = 2). Values within the same row with different letters mean significant difference. Fatty acids contents < 0.5% are not listed in this table. ∑SFA: total saturated fatty acids; ∑MUFA: total monounsaturated fatty acids; ∑PUFA: total polyunsaturated fatty acids; ∑LC-PUFA: total long chain polyunsaturated fatty acids.