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Elements for optimizing a one-step enzymatic bio-refinery process of shrimp cuticles: Focus on enzymatic proteolysis screening ArchiMer
Baron, Regis; Socol, Marius; Kaas, Raymond; Arhaliass, A.; Rodriguez Del Pino, J.; Le Roux, Karine; Donnay-moreno, Claire; Berge, Jean-pascal.
This article complements an earlier work published in 2015 Baron et al. (2015) that showed the interest of a shrimp shells bio-refining process. We compare here the effect of eleven commercial proteases at pH 3.5 or 4.0 on a residual amount of shrimp shells proteins after 6 hours at 50 °C. The two pH are obtained when respectively 40 and 25 mmol of formic acid are added to 5 g of mild dried shell. Deproteinisation yield above 95% are obtained. Residual amino acids profile in the solid phase was identical for the eleven proteases except for pepsin which was similar to the raw material profile. A significant relative increase in the proportion of Glycine is observed for the ten other cases. Likewise, shapes of size exclusion chromatograms of the dissolved...
Tipo: Text Palavras-chave: Bio-refinery; Shrimp cuticles; Acidic enzymatic proteolysis.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00388/49957/50530.pdf
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