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Table 2 Plasma composition of fatty acids and their changes with different interventions

From: Enhanced increase of omega-3 index in healthy individuals with response to 4-week n-3 fatty acid supplementation from krill oil versus fish oil

Parameter Treatment Baseline End-Point Change
Mean ± STD P. value1 Mean ± STD P. value1 Mean ± STD P. value1
EPA Krill oil 0.80 ± 0.31 0.5134 1.97 ± 0.58*# <0.0001 1.17 ± 0.52*# <0.0001
Fish oil 0.82 ± 0.36 1.54 ± 0.69* 0.71 ± 0.46*
Corn oil 0.86 ± 0.36 0.79 ± 0.43 -0.06 ± 0.36
DPA Krill oil 0.61 ± 0.31 0.9087 0.79 ± 0.27* 0.0048 0.15 ± 0.23* 0.0076
Fish oil 0.64 ± 0.24 0.68 ± 0.28 0.04 ± 0.18*
Corn oil 0.64 ± 0.25 0.61 ± 0.16 -0.03 ± 0.19
DHA Krill oil 2.90 ± 0.58 0.5134 3.86 ± 0.89* <0.0001 0.96 ± 0.69* <0.0001
Fish oil 2.88 ± 0.59 3.72 ± 0.66* 0.84 ± 0.55*
Corn oil 3.03 ± 0.66 2.80 ± 0.60 -0.24 ± 0.69
Total n-3 PUFA Krill oil 4.97 ± 0.69 0.8465 7.20 ± 1.35*# <0.0001 2.23 ± 1.13*# <0.0001
Fish oil 4.96 ± 0.59 6.51 ± 0.97* 1.55 ± 0.83*
Corn oil 5.13 ± 0.95 4.79 ± 0.63 -0.34 ± 0.86
EPA + DHA Krill oil 3.70 ± 0.63 0.7470 5.83 ± 1.31*# <0.0001 2.13 ± 1.02*# <0.0001
Fish oil 3.70 ± 0.65 5.26 ± 0.95* 1.55 ± 0.73*
Corn oil 3.89 ± 0.85 3.59 ± 0.59 -0.30 ± 0.76
n-6:n-3 ratio Krill oil 7.06 ± 1.18 0.5818 4.88 ± 1.37*# <0.0001 -2.17 ± 1.05*# <0.0001
Fish oil 7.21 ± 0.93 5.32 ± 0.99* -1.89 ± 0.91*
Corn oil 7.12 ± 1.4 7.57 ± 1.06 0.44 ± 0.95
Total SFA Krill oil 43.46 ± 1.85 0.3247 43.03 ± 1.63 0.0226 -0.43 ± 1.93 0.0787
Fish oil 42.92 ± 1.32 43.65 ± 1.06* 0.73 ± 1.44
Corn oil 42.13 ± 4.74 42.53 ± 2.13 0.40 ± 5.04
Total MUFA Krill oil 17.23 ± 2.93 0.8825 16.29 ± 2.42* 0.0226 -0.94 ± 2.86 0.8465
Fish oil 16.84 ± 2.47 16.06 ± 1.74* -0.78 ± 2.51
Corn oil 17.25 ± 3.06 16.97 ± 2.21 -0.29 ± 3.11
Total PUFA Krill oil 39.31 ± 2.39 0.2748 40.68 ± 2.06 0.8825 1.36 ± 2.58 0.9592
Fish oil 40.24 ± 1.98 40.28 ± 1.73 0.05 ± 2.16
Corn oil 40.62 ± 3.92 40.51 ± 2.22 -0.11 ± 4.69
Total n-6 PUFA Krill oil 34.35 ± 2.41 0.6873 33.48 ± 2.26* 0.0007 -0.87 ± 2.08 0.0226
Fish oil 35.28 ± 1.87 33.77 ± 1.75* -1.51 ± 2.07*
Corn oil 35.49 ± 3.62 35.72 ± 2.14 0.22 ± 4.09
  1. Values are expressed as percentage of total fatty acids except the n-6:n-3 ratio (n = 24). 1Friedman Test was used to test if there is a significant difference between treatment groups regarding the results in baseline, end-point and change. * and # indicate significant difference compared with corn and fish oil treatments respectively.