Beta-__, Red-Orange Pigment Found in Carrots

This page is the CodyCross answer for the clue below from La Bella Roma, Group 407, Puzzle 4 (Triumph of Galatea).

Question is: Beta-__, Red-Orange Pigment Found in Carrots

and the answer is: CAROTENE

Word Meaning:

CAROTENE — (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 and double bonds.

Definitions from Wiktionary.