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Production of calcium preparations by technology of saltwater fish by product processing

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Bubel F., Dobrzański Z., Bykowski P. J., Chojnacka K., Opaliński S., Trziszka T.
Open Chemistry
|
2015
|
vol. 13
|
issue 1
EN
The paper presents the technology of processing Baltic cod (Gadus morhua callarias) and Atlantic salmon (Salmo salar) backbones – by-products from fish processing – for the production of calcium preparations. The raw material for the process consisted of backbones with remaining muscle tissue, devoid of heads and fins (30 kg of each type of backbones). The processing included the following stages: cutting, preliminary processing in an alkaline environment (soaking in 2 M NaOH), processing with 0.1% citric acid, aroma removal and material disinfection (5% H2O2), rinsing with tap water, drying, and grinding the end-product. Calcium preparations from cod (BCP) and salmon (ASP) in the amounts of 1.20 kg and 1.62 kg, respectively, characterized by high calcium content (27.79% in BCP, and 24.92% in ASP) and low protein and fat content (14.20% and 0.25% for BCP, and 10.78% and 0.12% for ASP, respectively) were obtained. The study demonstrated the effectiveness of this technology for production of calcium preparations from fish backbones.
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