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Enzymatic hydrolysis of cuttlefish (Sepia officinalis) and sardine (Sardina pilchardus) viscera using commercial proteases: Effects on lipid distribution and amino acid composition
Provedor de dados: 5
Autores: Kechaou, Emna; Durnay, Justine; Donnay-moreno, Claire; Jaouen, Pascal; Gouygou, Jean-paul; Berge, Jean-pascal; Ben Arnar, Raja.
Total lipid and phospholipid recovery as well as amino acid quality and composition from cuttlefish (Sepia officinalis) and sardine (Sardina pilchardus) were compared. Enzymatic hydrolyses were performed using the three proteases Protamex, Alcalase, and Flavourzyme by the pH-stat method (24 h, pH 8, 50 degrees C). Three fractions were generated: an insoluble sludge, a soluble aqueous phase, and an oily phase. For each fraction, lipids, phospholipids, and proteins were quantified. Quantitative and qualitative analyses of the raw material and hydrolysates were performed. The degree of hydrolysis (DH) for cuttlefish viscera was 3.2% using Protamex, 6.8% using Flavourzyme, and 7% using Alcalase. DH for sardine viscera was 1.9% (using Flavourzyme), 3.1% (using...
Tipo: Text
Palavras-chave: Sardine; Viscera; Proteolysis; Marine lipids; Cuttlefish; By products.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6366.pdf