Functional group - '-COO-'
Family of organic chemicals
Alcohol and carboxylic acid - esterfication
Alcohol + carboxylic acid --- ester + water
Used in flavourings and perfumes
Ointments (deep heat)
Solvents (paint, ink, glue)
Platicisers (more flexible)
Fats and oils are esters of glycerol and fatty acids
Fatty acids are caboxylic acids - 16-20 carbon atoms
Glycerol is an alcohol (-OL)
FA can be saturated (C-C) single bonds. Or unsaturated (C=C) double bonds
Plants and animals make oils and fats to store energy
Animal fats are usually saturated hydrocarbon atoms, few C=C bonds, normally solid at room temp. Vegetable oil have mainly unsaturated hydrocarbon chains, lot's of C=C bonds, normally liquid at room temp.
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