TABLE 4.

Average of the number of hydrogen bonds per oxidized lipid molecule

Lipid bilayer	Concentration of oxidized lipids (%)	Carbonyl group	Phosphate group	Water
PLPC with 9-tc	2.8	0.35	0.41	1.06
	5.6	0.50	0.20	0.93
	11.1	0.21	0.50	1.15
	25.0	0.22	0.53	1.04
	50.0	0.26	0.51	0.96
PLPC with 13-tc	2.8	0.34	0.41	0.77
	5.6	0.36	0.44	0.85
	11.1	0.14	0.62	1.04
	25.0	0.30	0.45	0.94
	50.0	0.20	0.38	0.89
PLPC with 9-al	2.8	—	—	0.45
	5.6	—	—	0.45
	11.1	—	—	0.52
	25.0	—	—	0.54
	50.0	—	—	0.46
PLPC with 12-al	2.8	—	—	0.54
	5.6	—	—	0.45
	11.1	—	—	0.54
	25.0	—	—	0.45
	50.0	—	—	0.41

Hydrogen bonds are between hydroperoxide or aldehyde groups and the lipid headgroup or water.