Vegetable oils are used in food.
-> They provide a lot of energy.
-> They contain essential fatty acids, which the body needs for metabolic processes.
-> There are other nutrients in vegetable oils. E.g. Seed oils contain vitamin E.
Vegetable oils have benefits for cooking.
-> They have higher boiling points than water- they can cook foods at higher temperatures at faster speeds.
-> It gives the food a different flavour- many flavours come from chemicals that 'real soluble in oil, which makes the flavour seem more intense.
-> It increases the energy we get from eating it.
Vegetable oils can be used to produce fuels.
-> Oils such as rapeseed oil & soybean oil can be processed and turned into fuels.
-> Since vegetable oils provide a lot of energy, they're really suitable as fuels.
-> An example of a useful vegetable oil fuel is biodiesel, which has similar properties to ordinary diesel fuel, so you can use it in a Diesel engine.
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