Peanut oil, also known by other names such as groundnut oil and arachis oil, is a type of vegetable oil commonly used in cooking that is derived from peanuts. It comes in a number of varieties, including refined, unrefined, roasted, and cold-pressed, which have slight differences in their nutritional value and health benefits. Generally, people use peanut oil in their cooking for the interesting flavor that it gives, particularly the roasted variety, as well as the fact that it is healthier than many types of oil.
Peanut oil is most commonly used in Asian cultures, including that of China and Southeast Asian nations like Vietnam, Laos, and Cambodia.The health benefits of peanut oil include skin care, lower cholesterol levels, improved heart health and nervous system. It also prevents cancer, boosts cognitive function, strengthens the immune system, and lowers blood pressure.