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Table 3 Effect of krill oil on plasma and red blood cell (RBC) fatty acid profile

From: Krill oil reduces plasma triacylglycerol level and improves related lipoprotein particle concentration, fatty acid composition and redox status in healthy young adults - a pilot study

  Plasma RBC
Fatty acids Wt % Baseline End of study p-value Baseline End of study p-value
 SFA 31.8 ± 0.7 31.6 ± 1.0 0.2 40.9 ± 0.6 40.7 ± 0.6 0.8
 MUFA 25.2 ± 2.3 23.6 ± 2.9 0.007 17.5 ± 0.7 17.3 ± 0.9 0.02
 PUFA 42.8 ± 2.7 44.6 ± 3.2 0.005 41.4 ± 0.7 41.8 ± 0.8 0.003
n-6 PUFAs 37.0 ± 2.7 35.1 ± 3.7 0.008 29.9 ± 1.8 28.5 ± 1.7 <0.0001
 C18:2n-6 (LA) 27.7 ± 2.7 26.8 ± 3.5 0.7 9.1 ± 1.0 8.7 ± 1.0 0.02
 C20:3n-6 1.5 ± 0.3 1.3 ± 0.3 0.0008 1.5 ± 0.4 1.4 ± 0.3 0.002
 C20:4n-6 (AA) 7.0 ± 1.6 6.3 ± 1.4 0.0007 15.9 ± 1.5 15.1 ± 1.4 <0.0001
 C22:5n-6 0.1 ± 0.03 0.1 ± 0.02 <0.0001 0.4 ± 0.1 0.4 ± 0.07 <0.0001
n-3 PUFAs 5.7 ± 1.5 9.4 ± 1.6 <0.0001 11.3 ± 1.7 13.2 ± 1.5 <0.0001
 C18:3n-3 (ALA) 0.7 ± 0.2 0.7 ± 0.3 0.8 0.2 ± 0.03 0.2 ± 0.04 0.8
 C20:5n-3 (EPA) 1.1 ± 0.6 3.6 ± 0.8 0.0002 1.2 ± 0.4 2.5 ± 0.4 <0.0001
 C22:5n-3 (DPA) 0.6 ± 0.1 0.8 ± 0.2 <0.0001 2.8 ± 0.4 3.1 ± 0.3 <0.0001
 C22:6n-3 (DHA) 3.2 ± 0.8 3.9 ± 0.7 0.0002 7.0 ± 1.2 7.4 ± 1.0 <0.0001
  1. Values indicate plasma and RBC content by percent weight (wt %)
  2. P-values ≤ 0.05 were considered statistically significant
  3. Abbreviations: AA arachidonic acid, ALA alpha linolenic acid, DHA docosahexaenoic acid, DPA docosapentaenoic acid, EPA eicosapentaenoic acid, LA linoleic acid, MUFAs monounsaturated fatty acids, n-3 omega-3, n-6 omega-6, PUFAs polyunsaturated fatty acids, SFAs saturated fatty acids