# Table 5 Fatty acids (% of total lipid) from the tail muscle of shrimp*.

Fatty acids Experimental diets
1 2 3 4 5 6 7 8
C6 0.46 ± 0.03 0.42 ± 0.01 0.51 ± 0.08 0.41 ± 0.00 0.42 ± 0.00 0.47 ± 0.04 0.42 ± 0.00 0.47 ± 0.04
C8 0.53 ± 0.01 0.67 ± 0.11 0.53 ± 0.00 0.49 ± 0.02 0.54 ± 0.00 0.51 ± 0.02 0.54 ± 0.00 0.51 ± 0.02
C10 0.37 ± 0.01 0.42 ± 0.03 0.39 ± 0.02 0.38 ± 0.02 0.38 ± 0.02 0.37 ± 0.01 0.37 ± 0.01 0.39 ± 0.02
C11 0.47 ± 0.01 0.41 ± 0.04 0.44 ± 0.04 0.40 ± 0.03 0.45 ± 0.04 0.43 ± 0.03 0.41 ± 0.04 0.48 ± 0.01
C13 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00 0.49 ± 0.00
C14 0.19 ± 0.03 0.15 ± 0.02 0.14 ± 0.01 0.14 ± 0.01 0.14 ± 0.00 0.16 ± 0.00 0.16 ± 0.01 0.16 ± 0.00
C15 0.11 ± 0.01 0.11 ± 0.00 0.10 ± 0.00 0.11 ± 0.01 0.11 ± 0.00 0.12 ± 0.00 0.12 ± 0.01 0.12 ± 0.00
C16 5.94 ± 0.07b 6.04 ± 0.13b 6.38 ± 0.39b 6.48 ± 0.13b 6.70 ± 0.22ab 7.08 ± 0.08a 7.21 ± 0.21a 7.07 ± 0.05a
C17 0.29 ± 0.01 0.31 ± 0.00 0.30 ± 0.01 0.31 ± 0.02 0.31 ± 0.02 0.32 ± 0.01 0.33 ± 0.01 0.31 ± 0.00
C18 3.09 ± 0.02 3.50 ± 0.03 3.39 ± 0.16 3.43 ± 0.13 3.35 ± 0.18 3.39 ± 0.15 3.53 ± 0.16 3.36 ± 0.11
C23 24.86 ± 0.06 24.74 ± 0.03 24.71 ± 0.08 24.60 ± 0.07 24.66 ± 0.04 24.59 ± 0.03 24.81 ± 0.09 24.80 ± 0.12
C24 0.26 ± 0.02a 0.21 ± 0.00b 0.18 ± 0.01bc 0.16 ± 0.01cd 0.13 ± 0.00d 0.13 ± 0.00d 0.14 ± 0.01d 0.14 ± 0.01d
C16:1n-7 0.59 ± 0.07a 0.41 ± 0.02bc 0.38 ± 0.02bc 0.34 ± 0.01c 0.37 ± 0.04bc 0.49 ± 0.01ab 0.46 ± 0.02abc 0.57 ± 0.04a
C18:1n-9 4.70 ± 0.22a 4.17 ± 0.11ab 3.84 ± 0.13bc 3.33 ± 0.08cd 2.98 ± 0.09d 3.05 ± 0.08d 3.32 ± 0.19 cd 2.95 ± 0.15d
C18:2n-6 3.42 ± 0.18b 4.42 ± 0.07a 4.52 ± 0.13a 4.89 ± 0.05a 4.41 ± 0.10a 3.68 ± 0.08b 4.40 ± 0.10a 3.75 ± 0.12b
C18:3n-3 0.27 ± 0.02c 0.32 ± 0.01c 0.31 ± 0.02c 0.62 ± 0.02b 0.75 ± 0.02a 0.83 ± 0.01a 0.33 ± 0.01c 0.28 ± 0.01c
C20:1n-9 0.83 ± 0.03a 0.49 ± 0.02b 0.37 ± 0.02c 0.16 ± 0.01d 0.14 ± 0.01d 0.14 ± 0.01d 0.16 ± 0.01d 0.15 ± 0.01d
C20:2n-6 0.38 ± 0.03bc 0.50 ± 0.02ab 0.51 ± 0.02a 0.48 ± 0.03ab 0.37 ± 0.04bc 0.33 ± 0.02c 0.41 ± 0.03abc 0.33 ± 0.02c
C20:3n-3 0.90 ± 0.03d 1.06 ± 0.02cd 1.20 ± 0.05bc 1.25 ± 0.02bc 1.33 ± 0.02ab 1.50 ± 0.07a 1.47 ± 0.07a 1.51 ± 0.02a
C20:5n-3 4.94 ± 0.04a 4.27 ± 0.10ab 4.26 ± 0.18ab 3.49 ± 0.12bc 3.54 ± 0.24bc 3.42 ± 0.11c 3.64 ± 0.25bc 3.53 ± 0.09bc
C22:6n-3 3.64 ± 0.12e 3.94 ± 0.08de 4.41 ± 0.21cd 4.78 ± 0.08bc 4.72 ± 0.16bc 5.21 ± 0.05ab 5.58 ± 0.19a 5.46 ± 0.15a
Major groups
Σ SFA 37.07 ± 0.33 37.46 ± 0.26 37.55 ± 0.67 37.38 ± 0.17 37.66 ± 0.39 38.06 ± 0.33 38.53 ± 0.32 38.31 ± 0.24
Σ MUFA 6.13 ± 0.32d 5.07 ± 0.14c 4.59 ± 0.15bc 3.83 ± 0.08ab 3.49 ± 0.10a 3.68 ± 0.09a 3.93 ± 0.21ab 3.67 ± 0.18a
Σ n-6 PUFA 3.79 ± 0.20a 4.92 ± 0.05b 5.03 ± 0.15b 5.37 ± 0.06b 4.78 ± 0.13b 4.01 ± 0.10a 4.81 ± 0.13a 4.08 ± 0.10a
Σ n-3 PUFA 9.76 ± 0.10 9.59 ± 0.04 10.18 ± 0.43 10.14 ± 0.20 10.33 ± 0.44 10.97 ± 0.20 11.02 ± 0.49 10.78 ± 0.13
Σ LC-PUFA 9.86 ± 0.10 9.76 ± 0.05 10.39 ± 0.45 10.00 ± 0.23 9.95 ± 0.43 10.47 ± 0.22 11.10 ± 0.52 10.83 ± 0.15
n-3/n-6 2.58 ± 0.11cd 1.95 ± 0.01a 2.02 ± 0.03ab 1.89 ± 0.05a 2.16 ± 0.08ab 2.73 ± 0.02d 2.29 ± 0.04bc 2.64 ± 0.08d
1. *Values are mean ± SE of three replicates per group. Means in the same row with different superscripts are significantly (p < 0.05) different.