Plant oils Flashcards
1
Q
How are plant oils extracted?
A
Crushing and squashing the seeds and then using a method of distillation
2
Q
How is margarine made?
A
Plant oil + hydrogen with a nickel catalyst at 60oC
3
Q
What is the difference between saturated and un-saturated oils?
A
un-saturated have double bonds and are more of a liquid.
4
Q
What happened when oil and water are mixed?
A
They don’t mix and are immiscible
5
Q
What are emulsifiers?
A
They have regions that associate with both oil and water and allow one to be suspended in the other
6
Q
What are the parts of a emulsifier?
A
Head - hydrophylic and Tail - hydrophobic