Zur Pigmentierung und Musterbildung bei Forellen
1967 ◽
Vol 22
(8)
◽
pp. 858-864
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Keyword(s):
In the yellow cells of brown trout (Salmo trutta forma fario L.) and rainbow trout (Salmo irideus GIBBONS) there are pigment particles, which differ in form and colour: yellow grains, yelloworange drops, and purple needles. The yellow colour of the grains is caused by Sepiapterin (Dihydrobiopteridin-derivative), which, as well as the corresponding Tetrahydrobiopteridin-derivative and Ichthyopterin (7-Hydroxybiopteridin), could be shown in the skin of trouts. A fat-soluble carotenoid, Astaxanthin (3,3′-dihydroxy-4,4′-dioxo-β-carotin), produces the colour of the orange drops and of the purple crystalline needles. The carotenoid level of the yellow cells depends on the carotenoid amount of the food.
1991 ◽
Vol 22
(2)
◽
pp. 247-257
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1986 ◽
Vol 29
(4)
◽
pp. 417-429
◽
Keyword(s):
1979 ◽
Vol 36
(11)
◽
pp. 1370-1376
◽
Keyword(s):
2009 ◽
Vol 165
(3-4)
◽
pp. 200-206
◽