Olive oil is produced by grinding olives and extracting the oil by mechanical or chemical means. Green olives usually produce more bitter oil, and overripe olives can produce oil with fermentation defects, It is commonly used in cooking, for frying foods or as a salad dressing. It can also be found in some cosmetics, pharmaceuticals, soaps.
Sunflower oil is the non-volatile oil pressed from the seeds of the sunflower. Sunflower oil is commonly used in food as a frying oil, and in cosmetic formulations as an emollient. Sunflower oil is primarily composed of linoleic acid, a polyunsaturated fat, and oleic acid, a monounsaturated fat
Canola oil is an oil made from crushed canola seeds, which are a type of rapeseed bred for low erucic acid content, Canola oil is widely used in cooking and food processing and has less saturated fat and more omega-3 fatty acid than most other oils commonly used in the US.