| Extraction Method | Mechanical pressing | Chemical & heat processing |
| Temperature | Low (below 50°C) | High (up to 200–250°C) |
| Use of Chemicals | None | Yes (hexane, bleaching agents) |
| Vitamins | Naturally rich in Vitamins E, A & K (varies by oil) | Mostly destroyed; sometimes synthetically added |
| Nutritional Value | High | Significantly reduced |
| Antioxidants | Retained | Mostly destroyed |
| Flavor & Aroma | Natural & rich | Neutral |
| Shelf Life | Shorter | Longer |
| Smoke Point | Moderate | Higher |
| Digestibility | Easy on the stomach | Can be heavy |
| Health Impact | Supports long-term wellness | Linked to lifestyle diseases |