animal pigment

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Noun1.animal pigment - pigment occurring in animals
bilirubin, haematoidin, hematoidin - an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice
urobilin - brown bile pigment formed from urobilinogens and found in feces and in small amounts in urine
luciferin - pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation
melanin - insoluble pigments that account for the color of e.g. skin and scales and feathers
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
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References in periodicals archive ?
The animal pigment bilirubin identified in Strelitzia reginae, the bird of paradise flower.
The major animal pigments are the haemes (red) of blood haemoglobin, the carotenes, melanin (black and brown), and guanine (white and iridescent).