Chemistry: Plants oils
- Created by: Bexxmay
- Created on: 11-04-14 13:27
View mindmap
- Plant oils
- Extracting Vegatable Oil
- Can be extracted from seeds, nuts, and fruits by pressure of distillation
- Veg oil provides nutrients and lots of energy. used to make biofuel
- Unsatrated oils contain Carbon-- Carbon double bonds ( C=C) and so they decolourise bromide water from orange.
- Cooking with vegetable oils:
- Cook at higher boiling points
- Increase the energy content of foods and change the flavour, colour and texture.
- Can be hardened by reacting them with hydrogens at 60 degrees wih a nickel catalyst. Makes it easy to spread.
- Everyday emulsions
- oils dont desolve in water, but can both be used to make an emulsion
- Elulsifiers stop oil and water seperating into layers
- Food issues
- Veg oils are high in energy and provide nutrients
- Very fatty and cause heart disease
- Extracting Vegatable Oil
Comments
No comments have yet been made