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Table 3 Liver PLFA composition (%) in rainbow trout at different sampling points at diel cyclic temperatures

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-42 SW-1 SW-21
Temp CT VT2 VT4 CT VT2 VT4 CT VT2 VT4
Saturated fatty acid
 C14:0 0.96b 1.00b 0.97b 1.18a 1.16a 1.13a 1.07ab 1.19a 1.11a
 C16:0 17.26AB 15.98Bc 17.90Aa 16.95 17.40b 16.50b 18.41 18.77a 18.26a
 C17:0 0.61ab 0.53 0.71a 0.44ABb 0.57A 0.26Bb 0.74a 0.61 0.67a
 C18:0 6.23b 6.21b 6.27c 7.66a 7.63a 7.35b 8.09a 7.70a 8.20a
 C20:0 0.21 0.19a 0.19 0.13 0.13ab 0.14 0.15 0.09b 0.15
 C22:0 0.12 0.09 0.16 0.08 0.12 0.08 0.10 0.09 0.08
 C24:0 0.52Bb 0.94A 0.79ABa 0.76a 0.82 0.38b 0.63Aab 0.42B 0.48ABb
 ƩSFA 25.92b 24.94b 27.00b 27.20ab 27.82a 25.84b 29.19a 28.87a 28.96a
Monounsaturated fatty acid
 C14:1n5 0.79b 0.78 0.98b 0.60b 0.92 0.59c 1.42a 1.01 1.28a
 C16:1n7 2.61a 2.54a 2.70a 1.42b 2.04ab 2.14ab 1.23b 1.34b 1.59b
 C17:1n7 0.23 0.19 0.20 0.23A 0.20A 0.17B 0.19 0.22 0.21
 C18:1n9 2.01a 2.09a 2.11a 1.51Bb 1.68ABb 1.86Aa 1.60b 1.55b 1.56b
 C20:1n9 0.20 0.17 0.15 0.18 0.16 0.20 0.18 0.13 0.17
 C22:1n9 0.08 0.05 0.08 0.06 0.05 0.05 0.06 0.06 0.04
 C24:1n9 2.81 2.91 2.62b 2.88 2.75 2.71b 3.18 3.01 3.19a
 ƩMUFA 8.72a 8.72a 8.84a 6.88Bb 7.80Ab 7.72Ab 7.88a 7.32b 8.04b
Polyunsaturated fatty acid
 C18:2n6 12.89a 12.86a 12.92a 10.22Bb 12.00Aa 13.23Aa 9.18b 8.89b 9.58b
 C18:3n3 0.10 0.10 0.10ab 0.15A 0.10B 0.08Bb 0.14 0.14 0.13a
 C18:3n6 0.16 0.16 0.13 0.13 0.14 0.15 0.15 0.13 0.10
 C20:2n6 1.26Aba 1.48Aa 1.12B 1.18a 1.21ab 1.36 0.79b 0.97b 1.18
 C20:3n3 0.91b 0.84b 0.84b 1.33Aa 0.96Bb 0.94Bb 1.24a 1.28a 1.21a
 C20:3n6 1.93A 1.50Bab 1.29Bb 2.03 1.83a 2.06a 1.82A 1.14Bb 1.54ABb
 C20:4n6 2.92Ab 2.78Ac 1.85Bc 3.37b 3.53b 3.06b 5.19a 4.93a 4.63a
 C20:5n3 2.69b 2.52 2.12b 3.01ab 2.90 2.80a 3.64Aa 2.60B 2.92Ba
 C22:2n6 0.34 0.33 0.38 0.23 0.37 0.28 0.23 0.29 0.30
 C22:6n3 42.16b 43.78a 43.4a 44.29Aa 41.33Cb 42.47Bab 40.54Bb 43.45Aa 41.39Bb
 ƩPUFA 65.36 66.34a 64.16b 65.92 64.38ab 66.44a 62.93 63.81b 63.00b
  1. Note: Values represent the mean of 4 replicates. 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-42 End of growth trial, SW-1 One day after salinity reached 30, SW-21 21 days after salinity reached 30, SFA Saturated fatty acid, MUFA Monounsaturated fatty acid, PUFA Polyunsaturated fatty acid