Pharmacognosy´s topics - Medicinal plants
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Theme XIV: Lipids
Waxes
Definition of Wax. Differences with fixed oils and fats.
What are the waxes?
Waxes are similar to the fixed oils and fats since they are esters of fatty acids, but with the difference that the alcohol is not glycerin.
Instead of trihydric alcohol the bonding is formed with a sterol or monoalcohol long-chain from 16 to 36 carbons and fatty acids of 24 to 36 carbon atoms, also some of these waxes obtained from plants are composed of paraffin chains.
The esters that constitute the waxes are generally more resistant to saponification of glycerides of fats and fixed oils.
see also
Definition of Wax. Differences with fixed oils and fats.
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