Carotenoid content in the Nile tilapia (Oreochromis niloticus L.) cultured in Poland
2005
Czeczuga, B. | Czeczuga-Semeniuk, E.,Medical University, Bialystok (Poland). Dept. of General Biology | Klyszejko, B. | Szumiec, J.,Polish Academy of Sciences in Golysz, Chybie (Poland). Inst. of Ichtiobiology and Aquaculture
Column, thin-layer, and high-performance liquid chromatographic techniques were used to study carotenoids in the Nile tilapia cultured in Polish waters. Assays were run on tissue samples from fins, skin, muscles, and liver of 3 individuals of both sexes. A total of 10 carotenoids were identified, astaxanthin being the dominant pigment. The highest total carotenoid content was typical of the liver (0.945 mcg/g wet weight), the contents in the remaining parts of the body ranged from 0.216 mcg/g wet weight (muscles) to 0.252 mcg/g wet weight (fins)
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