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

Table 6. The principal fatty acid profiles (% total fatty acids) of the neutral lipids and polar lipids in the muscles of adult male E. sinensis.

Fatty acids Neutral lipids Polar lipids
0 ‰ 6 ‰ 12 ‰ 18 ‰ 0 ‰ 6 ‰ 12 ‰ 18 ‰
C16:0 9.38 ± 0.28a 9.02 ± 0.09ab 8.82 ± 0.03ab 8.77 ± 0.06b 11.20 ± 0.10 10.82 ± 0.08 10.53 ± 0.53 11.05 ± 0.68
C18:0 11.11 ± 0.09 10.96 ± 0.08 10.72 ± 0.21 11.01 ± 0.05 6.03 ± 0.06b 6.50 ± 0.13ab 6.13 ± 0.05ab 6.76 ± 0.30a
∑SFA 21.42 ± 0.37a 20.80 ± 0.01ab 20.40 ± 0.21b 20.59 ± 0.03ab 18.31 ± 0.10 18.32 ± 0.23 17.71 ± 0.55 18.83 ± 1.02
C16:1 1.85 ± 0.13 2.21 ± 0.05 2.11 ± 0.14 1.91 ± 0.05 2.70 ± 0.02 2.68 ± 0.10 2.77 ± 0.21 2.62 ± 0.14
C18:1n9 15.69 ± 0.33 15.90 ± 0.44 16.03 ± 0.43 16.53 ± 0.23 20.37 ± 0.03 19.85 ± 0.11 20.19 ± 0.70 20.64 ± 0.52
C18:1n7 3.35 ± 0.02 3.65 ± 0.01 3.77 ± 0.21 3.68 ± 0.28 3.55 ± 0.11b 3.93 ± 0.09ab 4.27 ± 0.17a 4.09 ± 0.27ab
C20:1n9 0.89 ± 0.13 0.75 ± 0.03 0.85 ± 0.05 0.91 ± 0.11 0.62 ± 0.04 0.61 ± 0.03 0.72 ± 0.03 0.62 ± 0.06
∑MUFA 22.13 ± 0.37 22.85 ± 0.46 23.13 ± 0.52 23.37 ± 0.24 27.75 ± 0.25 27.54 ± 0.34 28.48 ± 0.64 28.48 ± 0.89
C18:2n6 11.95 ± 0.81 11.56 ± 0.70 10.72 ± 0.49 12.03 ± 0.38 9.77 ± 0.85 8.59 ± 0.21 8.65 ± 0.48 9.18 ± 0.02
C18:3n3 1.28 ± 0.05 1.47 ± 0.11 1.18 ± 0.04 1.47 ± 0.11 0.89 ± 0.05 0.94 ± 0.05 0.81 ± 0.02 0.99 ± 0.10
C20:2n6 2.99 ± 0.22 2.96 ± 0.21 3.25 ± 0.18 3.11 ± 0.06 1.39 ± 0.07 1.46 ± 0.03 1.48 ± 0.04 1.50 ± 0.17
C20:4n6 6.88 ± 0.12 8.01 ± 0.08 7.97 ± 0.16 7.28 ± 0.92 5.22 ± 0.07 6.60 ± 0.02 6.42 ± 0.38 5.93 ± 0.81
C20:5n3 16.84 ± 0.97 16.88 ± 0.24 16.61 ± 0.15 16.87 ± 0.02 17.78 ± 0.57 18.14 ± 0.26 17.36 ± 0.41 17.80 ± 0.02
C22:5n3 0.47 ± 0.01b 0.52 ± 0.02ab 0.58 ± 0.01a 0.54 ± 0.04ab 0.71 ± 0.04 0.80 ± 0.02 0.84 ± 0.04 0.75 ± 0.09
C22:6n3 12.74 ± 0.10 11.96 ± 0.53 12.63 ± 0.06 11.75 ± 0.62 13.66 ± 0.07a 13.33 ± 0.19ab 13.48 ± 0.28ab 12.65 ± 0.34b
∑PUFA 53.66 ± 0.14 53.92 ± 0.09 53.54 ± 0.42 53.67 ± 0.16 49.59 ± 0.11 50.06 ± 0.25 49.25 ± 0.68 49.01 ± 1.54
∑n-3PUFA 31.84 ± 0.77 31.39 ± 0.91 31.61 ± 0.10 31.26 ± 0.44 33.21 ± 0.61 33.42 ± 0.02 32.70 ± 0.74 32.40 ± 0.56
∑n-6PUFA 21.82 ± 0.90 22.53 ± 0.82 21.93 ± 0.51 22.41 ± 0.60 16.38 ± 0.71 16.65 ± 0.26 16.55 ± 0.06 16.61 ± 0.98
n-3/n-6 1.46 ± 0.05 1.40 ± 0.04 1.45 ± 0.03 1.40 ± 0.04 2.03 ± 0.05 2.01 ± 0.06 1.98 ± 0.04 1.96 ± 0.05
∑LC-PUFA 37.44 ± 0.93 37.93 ± 0.89 38.39 ± 0.29 37.07 ± 0.37 37.55 ± 0.63 39.07 ± 0.06 38.31 ± 1.10 37.35 ± 1.27
Unknown 2.80 ± 0.13 2.67 ± 0.33 2.94 ± 0.31 2.38 ± 0.11 4.36 ± 0.24 4.08 ± 0.13 4.57 ± 0.49 3.88 ± 0.36

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.