scholarly journals Application of High Performance Liquid Chromatography to the Analysis of Carotenoid Pigments

1982 ◽  
Vol 48 (7) ◽  
pp. 1007-1007 ◽  
Author(s):  
Jum-ichi NAKAZOE
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Carotenoid Pigments

Determination of vitamin E and carotenoid pigments by high performance liquid chromatography in shell of Chionoecetes opilio

2008 ◽  
Vol 617 (1-2) ◽  
pp. 225-229 ◽  
Author(s):  
María Vilasoa-Martínez ◽  
Carina Calaza-Ramos ◽  
Julia López-Hernández ◽  
María Asunción Lage-Yusty ◽  
Perfecto Paseiro Losada ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Vitamin E ◽  
High Performance ◽  
Carotenoid Pigments ◽  
Chionoecetes Opilio

scholarly journals Distribution of unique red feather pigments in parrots

2005 ◽  
Vol 1 (1) ◽  
pp. 38-43 ◽  
Author(s):  
Kevin J McGraw ◽  
Mary C Nogare
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Carotenoid Pigments ◽  
Unique System ◽  
Feather Colouration

In many birds, red, orange and yellow feathers are coloured by carotenoid pigments, but parrots are an exception. For over a century, biochemists have known that parrots use an unusual set of pigments to produce their rainbow of plumage colours, but their biochemical identity has remained elusive until recently. Here, we use high-performance liquid chromatography to survey the pigments present in the red feathers of 44 species of parrots representing each of the three psittaciform families. We found that all species used the same suite of five polyenal lipochromes (or psittacofulvins) to colour their plumage red, indicating that this unique system of pigmentation is remarkably conserved evolutionarily in parrots. Species with redder feathers had higher concentrations of psittacofulvins in their plumage, but neither feather colouration nor historical relatedness predicted the ratios in which the different pigments appeared. These polyenes were absent from blood at the time when birds were replacing their colourful feathers, suggesting that parrots do not acquire red plumage pigments from the diet, but instead manufacture them endogenously at growing feathers.

Sign in / Sign up

Export Citation Format

Share Document