C1 Plant oils



Extracting vegetable oil

  • Vegetable oils can be extracted from seeds, nuts and fruits by pressing or by distillation.
  • Vegetable oils provide nutrients and a lot of energy. They are important foods and can be used to make biofuels.
  • Unsaturated oils contain carbon-carbon double bonds (C=C) and so they decolourise bromine water.

Cooking with vegetable oils

  • Vegetable oils are useful in cooking because of their high boiling points. 
  • Cooking in oil increases the energy content of foods and changes the flavour, colour and texture of


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