Retinol and α-tocopherol concentrations in whole fish commonly fed in zoos and aquariums

Abstract 10.1002/zoo.1430100204.abs Retinol (n = 17 spp.) and α-tocopherol (n = 9 spp.) concentrations in whole fish utilized for captive animal feeding programs were determined by high-performance liquid chromatography (HPLC) following routine storage and preparation after commercial purchase by two zoological institutions. Vitamin A activity was calculated from retinol values and ranged from 55 IU/100 […]