Waxes are lipids composed of esters between fatty acids and fatty alcohols. Waxes are water-insoluble, but soluble in organic, non-polar solvents. Waxes can be found in biological systems, for instance as beeswax and as epicuticular waxes in plants. Biological waxes are generally mixtures so are softer and melt more readily than the pure components.
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Research |Nature 527, 226-230