carotenoid, carotinoid Biochem.
(ˈkærətɪnɔɪd)
[ad. G. Carotinoïde (M. Tswett 1911, in Ber. d. Deut. Bot. Ges. XXIX. 630); see prec. + -oid.]
Any one of a group of pigments including the carotenes, the xanthophylls, and fucoxanthin, found in many plants and animals. Also attrib. or as adj.
| 1913 Chem. Abstr. 2956 (title) The Occurrence of Carotinoids in Plants. 1917 Haas & Hill Introd. Chem. Plant Products (ed. 2) v. 229 Carotin, Xanthophyll, and Fucoxanthin..are known collectively as the Carotinoids. 1922 L. S. Palmer (title) Carotenoids and related pigments. 1930 Brit. Jrnl. Exper. Path. Apr. 81 The relation between the carotenoid pigments and vitamin A. 1952 New Biol. XIII. 40 Doubling the number of chromosomes in pure yellow corn caused a 40% increase in the carotenoid pigment content, including the active provitamin A fraction of the carotenoids. 1968 Times 16 Nov. 9/7 Sporopollenin is a polymer formed of sub-units known as carotenoids. |