Table 5.
Chemical Shifts (ppm) | Normal |
MGD |
Tentative Assignment† | ||
---|---|---|---|---|---|
A/A1.39ppm | A/A4.1ppm | A/A1.39ppm | A/A4.1ppm | ||
0.09 | 0.0067 ± 0.0046 | 0.045 ± 0.012 | 0.00063 ± 0.00008 | 0.032 ± 0.004 | No Assignment |
0.72 | 0.0015 ± 0.0002 | 0.012 ± 0.03 | 0.0017 ± 0.0003 | 0.15 ± 0.03 | No Assignment |
0.89 | 0.022 ± 0.003 | 1.7 ± 0.4 | 0.025 ± 0.003 | 1.7 ± 0.2 | ─CH3, except n-3 |
0.94 | 0.004 ± 0.001 | 0.21 ± 0.03 | 0.0033 ± 0.0003 | 0.19 ± 0.02 | ─CH3, n-3 |
1.03 | 0.0014 ± 0.0002 | 0.9 ± 0.02 | 0.0017 ± 0.0003 | 0.11 ± 0.02 | ─CH2OHCH2 CH3 ─CH2─CH─(CH3)2, isobranched |
1.26 | 0.0041 ± 0.0002 | 0.29 ± 0.06* | 0.0037 ± 0.0001 | 0.18 ± 0.02* | ─COO(CH2)nCH3, short-chain esters |
1.29 | 0.058 ± 0.009 | 0.48 ± 0.09 | 0.054 ± 0.007 | 0.4 ± 0.1 | ─COO(CH2)nCH3, short-chain esters |
1.39 | 1 | 38 ± 4 | 1 | 40 ± 5 | ─(CH2)n─, core |
1.70 | 0.43 ± 0.04 | 36 ± 7 | 0.52 ± 0.005 | 45 ± 7 | R─CH2─CH2─COO─R |
4.10 | 0.026 ± 0.003 | 1 | 0.025 ± 0.003 | 1 | ROCH2─alkyl, wax ester |
4.18 | 0.003 ± 0.001 | 0.20 ± 0.04 | 0.003 ± 0.001 | 0.13 ± 0.01 | CHCH2OR; C1, 3 protons, glyceryl. 4 H per molecule |
4.25 | 0.0036 ± 0.0004 | 0.25 ± 0.05 | 0.0033 ± 0.0003 | 0.27 ± 0.04 | C1, 3 protons, glyceryl |
4.60 | 0.0047 ± 0.0008 | 0.28 ± 0.04* | 0.0036 ± 0.0007 | 0.17 ± 0.02* | R─O─CH, C3 of cholesterol ester |
5.00 | 0.042 ± 0.008 | 3.3 ± 0.8* | 0.033 ± 0.005 | 1.6 ± 0.2* | ─CH═CH─, conjugated |
5.20 | 0.036 ± 0.003 | 2.7 ± 1.1 | 0.016 ± 0.005 | 1.7 ± .7 | ─CH═CH─, conjugated |
5.45 | 0.21 ± 0.01 | 13 ± 2 | 0.20 ± 0.02 | 17 ± 2 | ─CH═CH─ |
7.90 | 0.009 ± 0.001 | 0.77 ± 0.13 | 0.0065 ± 0.0005 | 0.53 ± 0.08 | Hydroperoxides |
9.65 | 0.0026 ± 0.0008 | 0.014 ± 0.002 | 0.0017 ± 0.006 | 0.0098 ± 0.0024 | trans-2-Alkenals |
9.71 | 0.00026 ± 0.00004 | 0.0037 ± 0.0009 | 0.00045 ± 0.00009 | 0.0064 ± 0.0015 | R─CH═O, n-alkenals |
Significantly different, P < 0.05.
The bold underlined proton is the proton for which the tentative assignment was made.