Table 2.
Summary of Raman characteristics of pure methyl ester fatty acidsa
| Pure unsaturated FAME | NC=C, # of double bonds per molecule | NCH2, # of CH2 groups per molecule | NC=C/ NCH2 | IV Iodine value [28] | 1655/1448 ν (C=C)/ δ(CH2)sc | Carbonyl position C=O |
|---|---|---|---|---|---|---|
| PA | 0 | 14 | 0 | 0 | 0 | 1743 |
| OA | 1 | 14 | 0.0714 | 89.85 | 0.6478 | 1745 |
| LOA | 2 | 12 | 0.1666 | 180.99 | 1. 4158 | 1745 |
| POA | 1 | 12 | 0.0833 | 99.76 | 0. 7449 | 1745 |
| AA | 4 | 10 | 0.4 | 333.43 | 3.8419 | 1738 |
| EPA | 5 | 8 | 0.625 | 419.56 | 5.61 | |
| OA + LOA | 0.1078 | 122.7758 | 0.9854 | 1745 | ||
| OA + LOA + POA | 0.1031 | 118.2045 | 0.9424 | 1745 | ||
| OA + LOA + POA + AA | 0.151 | 163.0853 | 1.3797 | 1743 | ||
| LNCaP-Control | 0.0573 | 71.8048 | 0.5232 ± 0.015 | 1744 ± 3.2017 | ||
| LNCaP-OA | 0.0567 | 72.0338 | 0.5251 ± 0.0128 | 1748 ± 0.3684 | ||
| LNCaP-LOA | 0.0828 | 99.3046 | 0.7684 ± 0.0448 | 1744 ± 0.7838 | ||
| LNCaP-POA | 0.0505 | 64.8995 | 0.4632 ± 0.0142 | 1742 ± 1.0733 | ||
| LNCaP-PA | 0.0554 | 71.0026 | 0.5162 ± 0.014 | 1743 ± 0.3855 | ||
| LNCaP-SA | 0.0511 | 66.4014 | 0.4765 ±0.0103 | 1744 ± 0.2133 | ||
| LNCaP-Mixture | 0.0622 | 78.8697 | 0.5853 ± 0.0077 | 1746 ± 0.4996 |
a
OA oleic acid methyl ester, POA palmitoleic acid methyl ester, LOA linoleic acid methyl ester, AA arachidonic acid methyl ester, PA palmitic acid methyl ester, SA stearic acid methyl ester, EPA eicosapentaenoic acid