Plant oils Flashcards
1
Q
Vegetable oil
A
Oil extracted from plants.
2
Q
Unsaturated oil
A
Plant oil whose molecules contain at least one carbon-carbon double bond.
3
Q
Hydrogenated oil
A
Oil which has had hydrogen added to reduce the degree of saturation in the hardening process to make margarine.
4
Q
Hardening
A
The process of reacting plant oils with hydrogen to raise their melting point. This is used to make spreadable margarine.
5
Q
Emulsion
A
A mixture of liquid that do not dissolve in each other.
6
Q
Emulsifier
A
A substance which helps keep immiscible liquids (for example, oil and water) mixed so that they do not separate out into layers.
7
Q
Hydrophilic
A
The water-loving part of an emulsifier molecule.
8
Q
Hydrophoblic
A
The water-hating hydrocarbon part of an emulsifier molecule.
