TABLE 2.
Chemical groupb | Chemical shift (ppm)c | Presence in lipid sample with:
|
||
---|---|---|---|---|
[13C]glucose | [13C]lactate + glucose | [13C]glucose + lactate | ||
Fatty acids | ||||
CH3 and CH2 | 15–45 | + | + | + |
CH=CH | 130 | + | + | + |
C=O | 175 | + | + | + |
Ethanolamine and glycerol (CH2N, CHN, CH2O, CHO) | 60–75 | + | − | + |
Data summarized from Fig. 4 and 5 of reference 68.
Lipid signals are shown by a mixture of two typical lipids: phosphatidyl ethanolamine dimyristyl and phosphatidyl glycerol dioleoyl.
ppm, parts per million.