C1 part 2 (plant oils and emulsions)

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  • Created by: Olivia
  • Created on: 03-06-13 18:35
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  • Chemistry Part 2
    • Oil can be extracted from plant materials by pressing them or by distillation.
      • Vegetable oils are unsaturated. They are used to cook foods because they boil at a higher temperature then water
        • they are important foods and fuels as they provide a lot of energy and nutrients.
    • Oils don't dissolve in water, they can be used to produce emulsions.
      • Emulsions are thicker than oil or water and have many uses that depend on their special properties.
        • they provide better texture, coating ability, and appearance
      • Emulsifiers are used to stop water and oil separating.
        • they work because different parts of the molecule are attracted to the different liquids.

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