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Enhancement of pigment extraction from B. braunii pretreated using CO2 rapid depressurization BJM
Uquiche,Edgar; Antilaf,Ivette; Millao,Sonia.
Abstract Extraction of compounds from microalgae requires cell disruption as a pretreatment to increase extraction yield. Botryococcus braunii is a microalga with a significant content of carotenoids and other antioxidant compounds, such as chlorophylls. Cell disruption of B. braunii using CO2 rapid depressurization was studied as a pretreatment for the extraction of carotenoid and chlorophyll pigments. We studied the effect of temperature (21–49 °C) and pressure (6–13 MPa) during static compression on pigment recovery with supercritical CO2 at 40 °C, 30 MPa and solvent flow of 4.7 L NPT/min. Within the experimental region, the extraction yield of carotenoids and chlorophylls increased by 2.4- and 2.2-fold respectively. Static compression conditions of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Botryococcus braunii; Cell disruption; Chlorophylls; Microalgae; Supercritical extraction.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000200497
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