Product Specification:
| 1. | Appearance: | light yellow to yellow liquid |
| 2. | Odour: | with a characteristic evening primrose aroma |
| 3. | Relative density: | 0.9212~0.9301 |
| 4. | Refractive index: | 1.4742~1.4796 |
| 5. | Heavy metal: | 10ppm |
| 6. | linoleic acid: | 73% |
| 7. | γ-linolenic acid | 9%,10% |