Table 1. Total Weight Fractions of Water and Oleic Acid in Mixtures of Lecithin (1 wt %) and Rapeseed Oil and Whether the System Phase Separatesa.
| sample name | water (wt %) | oleic acid (wt %) | phase separation |
|---|---|---|---|
| W0(0.8) | 0.019 | 0 | no |
| W0(3) | 0.070 | 0 | yes |
| W0(13) | 0.32 | 0 | yes |
| W0(0.8) + O0(13) | 0.019 | 5 | no |
| W0(3) + O0(13) | 0.070 | 5 | yes (weak) |
| W0(40) + O0(13) | 1.0 | 5 | yes |
| W0(100) + O0(13) | 2.5 | 5 | yes |
| W0(0.8) + O0(27) | 0.020 | 10 | no |
| W0(0.9) + O0(52) | 0.021 | 20 | no |
a
The approximate water/lecithin (W0) and oleic acid/lecithin (O0) molar ratios are indicated in the sample name, with the numbers in parentheses.