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. 2019 Jun 25;60(9):1516–1534. doi: 10.1194/jlr.M092643

TABLE 1.

Relative number of spins contributing to the 1H NMR serum spectrum

Frequency Range (ppm]) Group Relative Proton Concentration (%)
VLDL IDL LDL HDL2 HDL3 LPDS1 LPDS2
−0.5 to 3.5 7.2 1.5 12.0 9.6 5.6 57.6 6.7
0.75 to 1.0 CH3 6.3 1.7 16.3 11.6 6.7 52.5 6.4
1.1 to 1.35 CH2 18.1 3.1 20.3 17.2 9.8 28.6 3.2
1.4 - 1.6 CH2 in β-position to carboxyl 6.3 1.5 11.9 8.2 4.6 59.8 6.3
1.9 - 2.1 CH2 adjacent to double bonds 6.9 1.4 10.4 7.9 4.9 56.9 9.7
2.1 - 2.3 CH2 in α-position to carboxyl 7.2 1.2 7.0 6.8 4.5 64.3 6.8
2.6 - 2.8 CH2 between double bonds 4.7 1.1 9.8 9.4 6.1 57.0 6.8
3.18 to 3.22 N(CH3)3 of choline 1.6 1.0 10.3 29.7 19.4 34.6 2.3

The 1H NMR signals in the given ranges between are quantified at 310 K. For details see Fig. 2. Chemical group assignments apply only for lipids, not for the LPDS-fractions.