Orange pigment in vegetables (8)

I believe the answer is:

carotene

(Other definitions for carotene that I've seen before include "Orange or red vegetable pigment, source of vitamin A" , "Orange plant pigment" , "Colouring found in carrots" , "Reddish-yellow pigment" , "Coloured substance in carrots" .)

I've seen this clue in the Sydney Morning Herald and The Times.

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