Table 3.
Fatty acid composition and viscosity of pure AO, SO, CO and RO.
| Samples | Avocado Oil | Soybean Oil | Corn Oil | Rapeseed Oil | |||
|---|---|---|---|---|---|---|---|
| Place of Origin | France | France | New Zealand | Mexico | China | China | China |
| Viscosity (mPa s) | 61.56 ± 1.33 | 61.50 ± 0.70 | 61.22 ± 0.80 | 60.12 ± 0.61 | 48.20 ± 0.74 | 50.96 ± 0.24 | 56.56 ± 0.28 |
| Fatty acids (%) | |||||||
| Myristic acid (C14:0) | 0.03 ± 0.00 | 0.04 ± 0.00 | 0.04 ± 0.00 | 0.04 ± 0.00 | 0.07 ± 0.00 | 0.04 ± 0.00 | 0.06 ± 0.00 |
| Palmitic acid (C16:0) | 11.84 ± 0.03 | 10.66 ± 0.01 | 11.47 ± 0.01 | 12.76 ± 0.01 | 10.66 ± 0.03 | 11.21 ± 0.01 | 4.67 ± 0.02 |
| Palmitoleic acid (C16:1) | 1.69 ± 0.00 | 1.82 ± 0.01 | 1.93 ± 0.00 | 2.53 ± 0.00 | 0.07 ± 0.00 | 0.09 ± 0.00 | 0.22 ± 0.00 |
| Stearic acid (C18:0) | 2.44 ± 0.02 | 2.31 ± 0.02 | 2.33 ± 0.01 | 2.25 ± 0.01 | 4.19 ± 0.01 | 2.06 ± 0.01 | 1.85 ± 0.03 |
| Oleic acid (C18:1n9c) | 69.2 ± 0.05 | 70.91 ± 0.01 | 71.03 ± 0.03 | 64.49 ± 0.04 | 24.09 ± 0.04 | 28.19 ± 0.02 | 58.14 ± 0.04 |
| Linoleic acid (C18:2n6c) | 13.24 ± 0.02 | 12.76 ± 0.02 | 11.77 ± 0.02 | 16.25 ± 0.02 | 53.39 ± 0.03 | 56.84 ± 0.02 | 20.24 ± 0.02 |
| Arachidic acid (C20:0) | 0.35 ± 0.00 | 0.32 ± 0.00 | 0.34 ± 0.00 | 0.32 ± 0.00 | 0.37 ± 0.00 | 0.34 ± 0.00 | 0.62 ± 0.00 |
| γ-Linolenic acid (C18:3n6) | ND | ND | ND | ND | 0.05 ± 0.00 | 0.04 ± 0.00 | 0.59 ± 0.00 |
| cis-11-Eicosadienoic acid (C20:1) | 0.27 ± 0.00 | 0.26 ± 0.00 | 0.27 ± 0.00 | 0.26 ± 0.00 | 0.20 ± 0.00 | 0.25 ± 0.00 | ND |
| α-Linolenic acid (C18:3n3) | 0.65 ± 0.00 | 0.52 ± 0.00 | 0.59 ± 0.00 | 0.93 ± 0.00 | 6.37 ± 0.01 | 0.58 ± 0.00 | 7.78 ± 0.03 |
| cis-11,14-Eicosadienoic acid (C20:2) | ND | ND | ND | ND | ND | ND | 0.12 ± 0.00 |
| Behenic acid (C22:0) | 0.22 ± 0.00 | 0.28 ± 0.00 | 0.18 ± 0.00 | 0.17 ± 0.00 | 0.40 ± 0.00 | 0.22 ± 0.00 | 0.35 ± 0.00 |
| cis-11,14,17-Eicosatrienoic acid (C20:3n3) | ND | ND | ND | ND | ND | ND | 5.09 ± 0.02 |
| cis-5,8,11,14,17-Eicosapentaenoic acid (C20:5n3) | 0.09 ± 0.00 | 0.12 ± 0.01 | 0.08 ± 0.00 | ND | 0.13 ± 0.00 | 0.14 ± 0.00 | ND |
| Nervonic acid (C24:1n9) | ND | ND | ND | ND | ND | ND | 0.28 ± 0.00 |
| Saturated fatty acids (SFA) | 14.87 ± 0.05 | 13.62 ± 0.03 | 14.36 ± 0.03 | 15.54 ± 0.02 | 15.69 ± 0.03 | 13.87 ± 0.02 | 7.55 ± 0.06 |
| Monounsaturated fatty acids (MUFA) | 71.16 ± 0.05 | 72.99 ± 0.02 | 73.22 ± 0.03 | 67.28 ± 0.04 | 24.36 ± 0.04 | 24.36 ± 0.02 | 58.65 ± 0.04 |
| Polyunsaturated fatty acids (PUFA) | 13.97 ± 0.02 | 13.39 ± 0.02 | 12.43 ± 0.02 | 17.18 ± 0.03 | 59.95 ± 0.04 | 57.60 ± 0.02 | 33.81 ± 0.06 |
Note: ND: not detected.