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Table 3 Fatty acid content [%] in various lipid fractions in mice brain

From: The effect of western diet on mice brain lipid composition

 Procedure I (Kaluzny et al. [27])Procedure II (Bodennec et al. [28])
 AcylglycerolsPolar lipidsFree fatty acidsCeramidesGlycosphingolipidsSphingomyelin
 SDHFDSDHFDSDHFDSDHFDSDHFDSDHFD
SFA47.21 ± 5.5945.13 ± 4.9948.88 ± 1.0048.84 ± 0.9684.36 ± 1.4683.68 ± 1.9863.19 ± 3.1657.55 ± 4.8758.47 ± 1.6856.96 ± 0.8543.15 ± 2.5544.52 ± 2.44
MUFA33.73 ± 1.3836.39 ± 1.61*32.06 ± 1.8929.99 ± 2.209.83 ± 1.399.79 ± 1.2727.42 ± 2.0630.32 ± 2.1132.10 ± 1.5731.85 ± 1.2625.19 ± 2.4323.22 ± 2.92
16:2 n-60.03 ± 0.020.09 ± 0.080.00 ± 0.010.00 ± 0.000.0005 ± 0.00050.002 ± 0.0020.04 ± 0.010.02 ± 0.020.01 ± 0.000.00 ± 0.000.01 ± 0.000.01 ± 0.00
LA14.96 ± 5.4014.13 ± 5.680.26 ± 0.020.46 ± 0.04#2.38 ± 0.131.94 ± 0.550.53 ± 1.340.84 ± 0.440.28 ± 0.020.59 ± 0.12*0.23 ± 0.020.40 ± 0.09*
20:2 n-60.10 ± 0.040.08 ± 0.030.08 ± 0.000.16 ± 0.03#0.12 ± 0.080.02 ± 0.020.09 ± 0.020.09 ± 0.040.07 ± 0.030.15 ± 0.01*0.07 ± 0.020.10 ± 0.03
DGLA0.13 ± 0.030.10 ± 0.050.30 ± 0.030.34 ± 0.040.02 ± 0.010.08 ± 0.040.19 ± 0.050.25 ± 0.070.19 ± 0.020.24 ± 0.03*0.34 ± 0.020.36 0.03
ARA2.70 ± 0.992.72 ± 0.566.95 ± 0.867.44 ± 0.842.69 ± 0.273.36 ± 0.024.64 ± 1.085.54 ± 1.204.19 ± 0.534.90 ± 0.809.79 ± 0.799.66 ± 0.61
AdA0.15 ± 0.050.19 ± 0.052.18 ± 0.322.21 ± 0.190.09 ± 0.000.16 ± 0.000.34 ± 0.070.73 ± 0.580.55 ± 0.060.58 ± 0.074.17 ± 0.413.86 ± 0.46
PUFA n-618.10 ± 5.0317.37 ± 5.1410.12 ± 1.3110.73 ± 0.965.32 ± 0.035.53 ± 0.537.09 ± 1.128.04 ± 2.085.43 ± 0.556.50 ± 0.9115.17 ± 1.2114.57 ± 0.85
ALA0.07 ± 0.060.04 ± 0.010.02 ± 0.010.02 ± 0.010.01 ± 0.000.02 ± 0.020.06 ± 0.040.03 ± 0.010.02 ± 0.020.02 ± 0.020.01 ± 0.000.02 ± 0.00*
EPA0.18 ± 0.090.15 ± 0.080.31 ± 0.030.13 ± 0.01#0.11 ± 0.020.29 ± 0.03*0.34 ± 0.080.18 ± 0.12*0.13 ± 0.010.06 ± 0.02#0.46 ± 0.030.22 ± 0.05#
DPA0.07 ± 0.020.06 ± 0.030.34 ± 0.050.35 ± 0.050.03 ± 0.030.03 ± 0.000.09 ± 0.060.11 ± 0.030.10 ± 0.020.11 ± 0.030.54 ± 0.050.48 ± 0.07
DHA0.52 ± 0.170.68 ± 0.067.99 ± 0.619.77 ± 0.66*0.37 ± 0.060.60 ± 0.111.58 ± 0.293.58 ± 1.50*3.63 ± 0.424.41 ± 0.15*15.38 ± 1.1716.86 ± 0.92
PUFA n-30.85 ± 0.250.93 ± 0.148.65 ± 0.6610.27 ± 0.68#0.51 ± 0.100.93 ± 0.092.08 ± 0.353.91 ± 1.54*3.88 ± 0.444.61 ± 0.14*16.39 ± 1.1917.58 ± 0.97
  1. p-value from t-test: * < 0.05, # < 0.001, AdA – adrenic acid (22:4 n-6), ALA – α-linolenic acid (18:3 n-3), ARA – arachidonic acid (20:4 n-6), DGLA –dihomo-γ-linolenic acid (20:3 n-6), DHA – docosahexaenoic acid (22:6 n-3), DPA – docosapentaenoic acid (22:5 n-3), EPA – eicosapentaenoic acid (20:5 n-3), ETA – eicosatetraenoic acid (20:5 n-3), LA – linoleic acid (18:2 n-6), MUFA – monounsaturated fatty acids, PUFA – polyunsaturated fatty acids, SFA – saturated fatty acids
  2. Boldface, major groups of fatty acid