English
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Noun
en-noun
#organic chemistry A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single bond|single and double bonds.
#organic chemistry Specifically, a number of isomers of tetraterpene hydrocarbons, C<sub>40</sub>H<sub>56</sub>, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver
Image:beta_carotene_structure.png|thumb|beta-carotene
Synonyms
E160 when used as a food colouring
Related terms
carotenoid
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