You can do it by using heat, solvents or pressure.
Sunflowers
The pressed seeds of the Sunflower.
Sunflower seeds are ground and the oil obtained from them, which is then refined and packaged.
Sunflower oil, and sunflower seeds
sunflower oil (cooking), seeds (eating)
sunflower oil (cooking), seeds (eating)
sunflower oil, bird seeds
Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds. Sunflower seeds.
Sunflower oil comes from the seeds. The oil's purpose is to provide nutrients and energy for the seedling.
sunflower
Sunflower
Many edible seeds are used in oil production.The most commonly eaten seeds used also for oil are sunflower, sesame, and pumpkin. Corn (maize) is also technically a seed, and is used for oil. Some other seed oils are grape seed, safflower, and rapeseed (canola).