Journal
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY B-BIOCHEMISTRY & MOLECULAR BIOLOGY
Volume 130, Issue 1, Pages 57-63Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1096-4959(01)00402-X
Keywords
bird's plumage; parrots; Ara macao; color; pigments; biogenesis; interaction with keratin
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Parrots (Psittaciformes) harbor unusually bright, non-carotenoid, feather pigments. We successfully extracted and purified a sufficient quantity of pigment from the red plumage of the Scarlet Macaw (Ara macao) for a partial chemical analysis. The extracts were analyzed by HPLC coupled with UV-VIS and mass spectroscopy before and after total hydrogenation. We found at least four pigment components. We propose a linear polyenal structure comparable with the molecules tetradecahexenal, hexadecaheptenal, octadecaoctenal and eicosanonenal. (C) 2001 Elsevier Science Inc. All rights reserved.
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