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Ultrasound-assisted extraction of R-phycoerythrin from Grateloupia turuturu with and without enzyme addition ArchiMer
Le Guillard, Cecile; Dumay, Justine; Donnay-moreno, Claire; Bruzac, Sandrine; Ragon, Jean-yves; Fleurence, Joel; Berge, Jean-pascal.
The aim of this study was to compare two processes for the extraction of R-phycoerythrin (R-PE) from the red seaweed Grateloupia turuturu: ultrasound-assisted extraction (UAE) and ultrasound-assisted enzymatic hydrolysis (UAEH). Process efficiencies were both evaluated by the yield of R-PE extraction and by the level of liquefaction. Experiments were conducted at 40 and 22 °C, for 6 h, using an enzymatic cocktail and an original ultrasonic flow-through reactor. R-PE appeared very sensitive to temperature, thus 22 °C is strongly recommended for its extraction by UAEH or UAE. However, the higher processing temperature (40 °C) clearly increased the extraction of water-soluble compounds (up to 91% of liquefaction). These two new processes are thus promising...
Tipo: Text Palavras-chave: Seaweed; Grateloupia turuturu; R-phycoerythrin; Ultrasound-assisted extraction; Ultrasound-assisted enzymatic hydrolysis; Liquefaction.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00292/40332/39993.pdf
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