Czeczuga B., Witkowski A., Kowalewski M., 1985. Carotenoids in fish - XXXIX. Presence of salmoxanthin in Thymallus thymallus (L.) specimens. Acta Ichthyol. Piscat. 15 (1): 73-81.

Column and thin-layer chromatography was taken advantage of to study the occurrence of particular carotenoids in different parts of grayling body. As a result, 20 carotenoids were identified, in this also salmoxanthin, i.e. the carotenoid typical of salmonid fishes.