This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. AbstractIn Colombia, the production of red tilapia (Oreochromis sp) has shown important development in recent years. It is a hydro-biological resource that generates fish fillet waste that can be used in the manufacture of fish products. The aim of this research was to analyze the influence of quinoa flour on the physicochemical properties, texture and oxidative stability during storage and sale of Frankfurter sausages made with red tilapia fillet waste when adding two concentrations of quinoa flour, 10 g/kg and 20 g/kg, and a control treatment with no quinoa flour. The sausages were vacuum packed and stored under refrigeration (2 °C ± 2 °C). The proximate chemical composition, pH, CIElab coordinates, lipid oxidation, water holding capacity, water binding ability and cooking yield were determined, along with an instrumental texture analysis for each of the sausages prepared. The addition of quinoa flour at a concentration of 10 g/kg presented the best water holding capacity, water binding ability, lighter coloration and cooking yield, as compared to the control sausage. By contrast, the sausages with 20 g/kg were harder and required greater effort to cut than the control (p < 0.05). The addition of quinoa flour increased fat oxidation after 6 days of monitoring. The addition of 10 g/kg of quinoa flour was the best concentration for the production of sausages made with red tilapia fillet waste, which represents a new alternative for hydro-biological-origin foodstuffs.Keywords: Aquaculture; Nutrition; Fishing industry; Fish products; Non-meat extenders. ResumoNa Colômbia, a produção de tilápia vermelha (Oreochromis sp.) tem alcançado avanços importantes no últimos anos. A tilápia é um recurso hidrobiológico que gera resíduos a partir do seu filetamento, os quais podem ser usados na fabricação de produtos pesqueiros. O objetivo desta pesquisa foi analisar a influência da farinha de quinoa nas propriedades físico-químicas, na textura e na estabilidade oxidativa ao usar duas concentrações de farinha de quinoa, 10 g/kg e 20 g/kg, além de um tratamento controle sem adição de farinha de quinoa, em salsichas tipo Frankfurt feitas com resíduos do filetamento de tilápia vermelha, durante a sua armazenagem e comercialização. As salsichas foram embaladas a vácuo e armazenadas sob refrigeração (2 °C ± 2 °C). Foi determinada a composição centesimal, o valor de pH, as coordenadas de CIElab, a oxidação lipídica, a capacidade de retenção de água, a capacidade de absorção de água e o rendimento no cozimento, além de uma análise instrumental da textura para cada uma das salsichas. A salsicha com adição de farinha de quinoa a uma concentração de 10 g/kg apresentou os melhores valores na capacidade de retenção de água, na capacidade de absorção de água, na coloração mais clara e no rendimento no cozimento, qu...
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