Butter (Mongolian summer peach silk) is an edible oil extracted from milk skin and yogurt, and it is a dairy food boiled with yogurt. Butter is rich in protein and vitamins. It can dispel summer heat in summer, prevent cold in winter, treat burns and stop diarrhea. Milk tofu tastes sweet and sour and is a traditional food for Mongolian farmers and herdsmen.

White oil is made from the lubricating oil fraction of petroleum by dewaxing and SO3 sulfonation.

It is suitable as a raw material for cosmetics industry to make hair cream, hair oil, lipstick, skin care grease, etc.

Anyone who has been a chef knows what red oil is. Especially Sichuan cuisine and Hunan cuisine put the most red oil. The common practice of red oil is to boil red oil with pepper ash. Preparation: control the oil temperature at about 70% heat, add pepper ash, add some ginger, star anise, cinnamon, or add pepper. At this point, the oil temperature should not be too high. Cook for a while on low heat, put it outside the fire and let the pepper soak in the oil for a long time.

I don't know salad oil yet.