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 |
*Values are mean ± SE of three replicates per group. Means in the same row with different superscripts are significantly (p < 0.05) different.