Detail of the colour factory
carotene - an orange or red hydrocarbon of which there are several isomers, which occur in carrots .. as in SEE in the DARK ... and many other plants and is a precursor of vitamin A.
Figure 2.2 The carotene molecule. Large dots represent carbon atoms; small dots hydrogen atoms. Note the alternate arrangement of single and double bonds across the centre.
Source: Seven Deadly Colours, Pages: 32,33
Contributed by: Michael