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. 2021 Dec 24;11(1):41. doi: 10.3390/foods11010041

Table 3.

PC and total PL contents in krill oil test samples obtained from the FT-IR and 31P NMR methods.

Test
Sample
PL Contents (wt%) ± Standard Deviation
FT-IR Method 31P NMR Method
Absorbance Second-Derivative
PC Total PL PC Total PL PC Total PL
Mixture 1 19.25 ± 0.31 22.00 ± 0.42 19.66 ± 0.06 22.89 ± 0.65 20.02 ± 0.02 22.68 ± 0.01
Mixture 2 22.44 ± 0.19 25.76 ± 0.10 23.14 ± 0.06 25.39 ± 0.81 22.04 ± 0.31 25.10 ± 0.24
Mixture 3 33.03 ± 0.56 37.92 ± 0.63 33.56 ± 0.28 37.89 ± 0.19 32.18 ± 1.08 36.56 ± 1.22
Mixture 4 36.10 ± 0.65 41.11 ± 0.72 36.83 ± 0.61 41.90 ± 0.41 36.71 ± 0.33 41.84 ± 0.33
Mixture 5 43.78 ± 0.44 49.99 ± 0.43 43.96 ± 0.03 50.54 ± 1.20 44.46 ± 0.11 50.74 ± 0.07
Supplement 1 50.95 ± 0.64 55.29 ± 0.69 50.01 ± 0.19 56.41 ± 1.29 49.39 ± 0.69 56.12 ± 0.78
Supplement 2 53.38 ± 0.37 54.30 ± 0.54 47.10 ± 0.69 52.58 ± 0.96 48.05 ± 1.53 52.14 ± 1.66
Supplement 3 35.89 ± 0.26 38.82 ± 1.03 34.95 ± 0.77 35.89 ± 1.17 35.21 ± 1.55 39.59 ± 1.74
Supplement 4 33.82 ± 1.35 38.39 ± 1.50 32.25 ± 0.77 34.12 ± 0.67 31.13 ± 1.85 35.50 ± 2.11
Supplement 5 37.94 ± 2.24 41.43 ± 2.12 34.94 ± 0.52 37.70 ± 0.37 34.06 ± 0.96 38.71 ± 1.09
Supplement 6 41.75 ± 0.58 42.64 ± 0.58 40.28 ± 0.77 44.33 ± 0.85 40.49 ± 0.10 45.23 ± 0.11
Supplement 7 44.94 ± 1.32 48.05 ± 1.27 37.13 ± 1.13 39.17 ± 0.79 38.73 ± 1.10 44.31 ± 1.26