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Optimization of hydrolysis of sardine (Sardina pilchardus) heads with Protamex: enhancement of lipid and phospholipid extraction ArchiMer
Dumay, Justine; Allery, Marion; Donnay-moreno, Claire; Barnathan, Gilles; Jaouen, Pascal; Carbonneau, Marie Elise; Berge, Jean-pascal.
BACKGROUND: Fish by-products are not considered as valuable raw materials even if they usually contain valuable components such as lipids. Fish lipids are well known for their nutritional potential and health effects but their extraction remains problematic due to the use of organic solvents. Enzymatic hydrolysis such as the proteolysis of tissues can lead to lipid extraction. RESULTS: Hydrolysis of sardine heads by Protamex was studied (temperature, hydrolysis time and enzyme-substrate ratio) using response surface methodology in order to obtain the highest release of lipids and particularly phospholipids. No relation between the degree of hydrolysis and lipid recovery were depicted; however, optimum conditions for both the release of lipids and...
Tipo: Text Palavras-chave: Response surface methodology; Proteolysis; Sardine; By product; Fatty acids; Phospholipids.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6651.pdf
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