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Journal article

The chemical structure of the pigments in Ara macao plumage

Stradi R, Pini E, Celentano G ...see all

Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology, vol. 130, issue 1 (2001) pp. 57-63

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Abstract

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. © 2001 Elsevier Science Inc. All rights reserved.

Author-supplied keywords

  • Ara macao
  • Biogenesis
  • Bird's plumage
  • Color
  • Interaction with keratin
  • Parrots
  • Pigments

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Authors

  • R. Stradi

  • E. Pini

  • G. Celentano

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