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Turacin
Turacin is a naturally occurring red pigment that is 6% copper complexed to uroporphyrin III. Arthur Herbert Church discovered turacin in 1869.
It is found only in the bird family Musophagidae, the turacos. Other birds derive their red coloration from carotenoids (bright and orange-reds) or phaeomelanins (rusty and brownish-reds).
It is often assumed that this coloration will wash out when the birds are bathing or after heavy rains, but this is true only if the water used for bathing happens to be very alkaline.
The copper(II) uroporphyrin III pigment in turaco feathers was studied using electron spin resonance by Jack Peisach first with Blumberg and later with Mims.
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Turacin
Turacin is a naturally occurring red pigment that is 6% copper complexed to uroporphyrin III. Arthur Herbert Church discovered turacin in 1869.
It is found only in the bird family Musophagidae, the turacos. Other birds derive their red coloration from carotenoids (bright and orange-reds) or phaeomelanins (rusty and brownish-reds).
It is often assumed that this coloration will wash out when the birds are bathing or after heavy rains, but this is true only if the water used for bathing happens to be very alkaline.
The copper(II) uroporphyrin III pigment in turaco feathers was studied using electron spin resonance by Jack Peisach first with Blumberg and later with Mims.