Plant Oils Flashcards
What are Vegetable Oils?
Natural Oils found in seeds, nuts and some fruit.
How are Vegetable Oils such as olive oil obtained?
The plant material is crushed and pressed
Do Vegetable Oils have a higher or lower boiling point than water?
Higher
When foods are cooked in Vegetable Oils, foods cook ______ than if they were boiled
faster
Do foods cooked in vegetables Oils release more or less energy than if they were cooked in water?
More
What type of bonds do saturated Oils have?
Single bonds
What type of bonds do unsaturated Oils have?
Double bonds
What form are unsaturated Oils at room temperature?
As a liquid
What form are saturated Oils at room temperature?
Solid
How many double bonds do monosaturated fats have?
One
How many double bonds do polyunsaturated fats have?
Many double bonds
Can Vegetable Oils dissolve in water?
No
Are emulsions less viscous than the oil they contain?
No, they are more viscous
What are the two main types of emulsion?
- ) Oil droplets in water
2. ) Water droplets in oil
What are emulsifiers?
Substances that stabilise emulsions, stoping them from separating out.
