C1.6 Plant oils and their uses Flashcards
1
Q
What are oils extracted from?
A
fruits, seeds and nuts
2
Q
How are oils extracted?
A
material is crushed, the oil is removed by pressing or distillation
3
Q
How does steam distillation work?
A
steam is made; oil from plant is vaporised; steam and oil vapour are condensed
4
Q
What is the structure of a vegetable oil molecule?
A
they have a glycerol part and fatty acids
the glycerol part contains 3 long hydrocarbon chains
