Table 1. Fatty acid composition of three types of vegetable oil as defined by the National Standards of China (GB) and as quantified by GC-MS analysis of corresponding Luhua brand vegetable oils (/100 g).
| Fatty acids | GB | GC-MS | ||||
|---|---|---|---|---|---|---|
| Peanut | Sesame | Soybean | Peanut | Sesame | Soybean | |
| C16:0 | 8.0−14.0 | 7.9−12.0 | 8.0−13.5 | 11.6 | 10.0 | 12.1 |
| C18:0 | 1.0−4.5 | 4.5−6.7 | 2.0−5.4 | 3.0 | 5.8 | 4.5 |
| C18:1 | 35.0−69.0 | 34.4−45.5 | 17.0−30.0 | 37.2 | 37.8 | 24.0 |
| C18:2 | 12.0−43.0 | 36.9−47.9 | 48.0−59.0 | 38.8 | 44.6 | 50.4 |
| C18:3 | ND−0.3 | 0.2−1.0 | 4.5−11.0 | 0.1 | 0.4 | 7.5 |
| C20:0 | 1.0−2.0 | 0.3−0.7 | 0.1−0.6 | 1.6 | 0.7 | 0.4 |
| C20:1 | 0.7−1.7 | ND−0.3 | ND−0.5 | 1.4 | 0.2 | 0.2 |
| C22:0 | 1.5−4.5 | ND−1.1 | ND−0.7 | 4.0 | 0.2 | 0.4 |
| C24:0 | 0.5−2.5 | ND−0.3 | ND−0.5 | 1.9 | 0.1 | 0.1 |
| Sum | 99.6 | 99.8 | 99.6 | |||
ND-not detected, content < 0.05%.