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Table 2 Intestinal PLFA composition of rainbow trout in different constant temperatures during seawater acclimation

From: Effects of constant and diel cyclic temperatures on the liver and intestinal phospholipid fatty acid composition in rainbow trout Oncorhynchus mykiss during seawater acclimation

SP FW-28 SW-1 SW-14
Temperature 9 °C 12.5 °C 16 °C 9 °C 12.5 °C 16 °C 9 °C 12.5 °C 16 °C
Saturated fatty acid
 C14:0 2.73B 2.26C 3.32Aa 2.48 1.67 2.20ab 2.50 2.49 1.63b
 C16:0 22.31 22.06 23.99a 22.37 21.55 23.58a 21.16B 23.10A 21.38Bb
 C17:0 0.78B 0.49Bb 1.25Aa 0.81A 0.75ABa 0.58Bb 0.62 0.54b 0.67b
 C18:0 10.27AB 11.51A 10.22Bb 9.29B 11.69A 11.44Aab 10.45 11.23 12.57a
 C20:0 0.29 0.32 0.45a 0.25 0.22 0.31ab 0.17 0.26 0.17b
 C22:0 0.18A 0.10Ba 0.11B 0.14 0.16a 0.18 0.11 0.05b 0.16
 C23:0 0.12AB 0.07B 0.13A 0.13A 0.04B 0.11A 0.12 0.07 0.11
 C24:0 1.04B 0.76C 2.91Aa 1.05 0.96 1.19b 1.54 0.68 1.16b
 ƩSFA 37.71B 37.59B 42.38Aa 36.53B 37.04B 39.60Ab 36.66 38.42 37.84c
Monounsaturated fatty acid
 C14:1n5 1.64Ba 1.06C 2.93Aa 0.86Cb 1.19B 1.61Ab 0.93b 1.05 0.62c
 C16:1n7 1.86 1.51 1.51 2.40A 1.26B 1.39B 2.13A 1.72AB 1.38B
 C17:1n7 0.53a 0.47 0.45 0.29Bb 0.45A 0.19B 0.34b 0.40 0.34
 C18:1n9 10.85a 9.39a 10.21a 8.20Bb 10.68Aa 9.47ABab 8.32b 7.42b 8.86b
 C20:1n9 0.23b 0.22 0.35a 0.21b 0.17 0.19b 0.35a 0.23 0.27ab
 C22:1n9 0.60 0.54b 0.85a 0.71 0.77a 0.64b 0.52 0.57b 0.52b
 C24:1n9 2.49 3.22a 3.24a 3.01 3.49a 2.53ab 2.39A 2.55Ab 1.63Bb
 ƩMUFA 18.19ABa 16.42Ba 19.54Aa 15.67Bb 18.02Aa 16.01Bb 14.98b 13.93b 13.62c
Polyunsaturated fatty acid
 C18:2n6 3.83Bb 5.52Aa 4.96Ab 5.07a 4.50ab 4.19b 3.93b 3.75b 7.01a
 C18:3n3 2.75AB 2.30B 3.80A 2.63 2.85 3.12 2.82 3.30 2.50
 C18.3n6 0.34a 0.22 0.43 0.15b 0.16 0.18 0.12b 0.15 0.24
 C20:2n6 0.79 0.70a 0.78 0.67 0.72a 0.72 0.79 0.56b 0.74
 C20:3n3 1.01 1.11 0.97 0.75B 1.36A 0.82B 1.17 1.05 0.70
 C20:3n6 0.55 0.67 0.73a 0.56A 0.47A 0.31Bb 0.45 0.64 0.53a
 C20:4n6 2.49 2.45 2.61 3.04 2.60 2.30 2.94 2.77 2.29
 C20:5n3 1.76Bb 2.94Aa 2.17AB 2.90ab 2.39b 2.81 3.70a 3.70a 2.74
 C22:2n6 0.33a 0.18b 0.38a 0.15Bb 0.31Aa 0.25Aab 0.16b 0.23ab 0.19b
 C22:6n3 30.24Ab 29.90A 21.25Bb 31.89ab 29.58 29.71a 32.28a 31.50 31.61a
 ƩPUFA 44.09Ab 45.99Aab 38.07Bc 47.80Aa 44.94Bb 44.39Bb 48.35a 47.65a 48.54a
  1. Note: Values are means of 3 replications. Different lowercase letters indicate significant differences (P < 0.05) among different treatments at the same time, and different capital letters indicate significant differences at different times at the same treatment. Data containing mean ± SD are included in Additional file 2. FW-28 End of growth trial, SW-1 One day after salinity reached 30, SW-4, Four days after salinity reached 30, SW-7 Seven days after salinity reached 30, SW-14 Fourteen days after salinity reached 30