Producción de harinas obtenidas a partir de coproductos de la industria del fileteado del pescado en Colombia
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Osorio Contreras, Maria Alejandra
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Harinas de coproductos de la industria del fileteado de tilapia nilótica Oreochromis niloticus y trucha arcoíris Oncorhynchus mykiss fueron elaboradas a partir del proceso de peces cultivados en jaula y en estanques ubicados en los Departamentos de Boyacá, Antioquia y Huila, Colombia. Fueron realizados análisis para caracterización fisicoquímica y microbiológica y perfil de ácidos grasos, de la materia prima y harinas. Adicionalmente fueron determinados contenidos de metales pesados y vida útil de las harinas de coproductos de peces cultivados en represa. Fue encontrado que los coproductos y las harinas estudiadas son recursos alimenticios de buen rendimiento en producción, con adecuada composición nutricional, buen perfil de ácidos grasos e inocuidad microbiológica; sin embargo, su incorporación en dietas para humanos o animales debe ser realizada con harinas recién elaboradas pues se encontró evidencia de disminución de su calidad durante el almacenamiento.
Abstract. Byproduct meals from Nile tilapia (Oreochromis niloticus) and rainbow trout (Oncorhynchus mykiss) were produced from fish raised in cages or ponds. The coproducts were from the fillet industry located in the departments of Boyaca, Huila and Antioquia, Colombia. Physicochemical, microbiological characteristics and fatty acids profile were analyzed in raw materials and meals. Heavy metals content and shelf-life were determined in meals coproducts of fish produced in ponds. It was found that frozen coproducts and their meals had an adequate nutritional composition, good fatty acids profile and microbiological quality. Cadmium, mercury and lead content were lower than codex restrictions in fish. However inclusion of coproducts meals in diets for humans or animals must be process with freshly material because there was evidence of decrease in quality during storage.
Abstract. Byproduct meals from Nile tilapia (Oreochromis niloticus) and rainbow trout (Oncorhynchus mykiss) were produced from fish raised in cages or ponds. The coproducts were from the fillet industry located in the departments of Boyaca, Huila and Antioquia, Colombia. Physicochemical, microbiological characteristics and fatty acids profile were analyzed in raw materials and meals. Heavy metals content and shelf-life were determined in meals coproducts of fish produced in ponds. It was found that frozen coproducts and their meals had an adequate nutritional composition, good fatty acids profile and microbiological quality. Cadmium, mercury and lead content were lower than codex restrictions in fish. However inclusion of coproducts meals in diets for humans or animals must be process with freshly material because there was evidence of decrease in quality during storage.