. Author manuscript; available in PMC: 2014 Apr 1.

Published in final edited form as: Magn Reson Med. 2012 May 24;69(4):1044–1055. doi: 10.1002/mrm.24340

Table 1.

Chemical shifts, intensity weighting factors, and J-coupling values of protons in typical fat molecule (shown in Figure 2a).

Resonance	Functional Group	Chemical Shift (ppm)^a	Weighting Factor	J-coupling (Hz)^a
A	CH3 methyl protons	0.90	9	AB: 8.0
B	CH2 methylene protons	1.29	60	BC: 7.1; BD = 7.1
C	CH2 methylene protons	1.64	6	CE = 7.1
D	CH2 allylic protons	2.18	12	DJ = 6.2
E	CH2 methylene protons	2.32	6	--
F	CH2 diallylic (bis- allylic) protons	2.63	6	FJ = −1.0
G	CH2 glycerol backbone protons	4.20	2	GH = −12.4; GI = 7.0
H	CH2 glycerol backbone protons	4.45	2	HI = 7.0
I	CH glycerol backbone protons	5.15	1	--
J	CH olefinic protons	5.45	12	--

^a:

From comparison of literature values (6,9,52), experimental 1D and 2D spectra, and ChemBioDraw spectral simulations.