Vegetable oils, or vegetable fats, are olis extracted from seeds, or less often, from other parts of fruits. Like animal fats vegetable fats are mixtures of triglycerides. . In common usage, vegetable oil may refer exclusively to vegetable fats which are liquid at room temperature. Vegetable oils are usually edible; non-edible oils derived mainly from petroleum are termed mineral oils
Vegetable oils are used as an ingredient or component in many manufactured products.
Many vegetable oils are used to make soaps, skin products, candles, perfumes and other personal care and cosmetic products. Some oils are particularly suitable , and are used in making paints and other wood treatment products. Dammar oil (a mixture of linseed oil , resin), for example, is used almost exclusively in treating the hulls of wooden boats. Vegetable oils are increasingly being used in the electrical industry as vegetable oils are not toxic to the environment, if spilled and have high and fire points. However, vegetable oils are less stable chemically, so they are generally used in systems where they are not exposed , and they are more expensive than crude oil distillate. Synthetic tetraesters, which are similar to vegetable oils but with four fatty acid chains compared to the normal three found in a natural ester, are manufactured by Tetraesters generally have high stability to oxidation and have found use as engine lubricants. Vegetable oil is being used to produce biodegradable
One limiting factor in industrial uses of vegetable oils is that all such oils are susceptible to becoming . Oils that are more stable, such as , are thus preferred for industrial uses.Has numerous industrial uses, owing to the presence of group on the fatty acid. Castor oil is a precursor