Journal
MARINE DRUGS
Volume 13, Issue 6, Pages 3745-3760Publisher
MDPI
DOI: 10.3390/md13063745
Keywords
Sargassum muticum; biorefinery; autohydrolysis; antioxidant; SC-CO2; fucoxanthin
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Funding
- Ministry of Science and Innovation of Spain - (FEDER-European Union) [CTM2009-12664, CTM2012-38095]
- Spanish Ministerio de Economia y Competitividad [CTM2009-12664]
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The biorefinery concept integrates processes and technologies for an efficient biomass conversion using all components of a feedstock. Sargassum muticum is an invasive brown algae which could be regarded as a renewable resource susceptible of individual valorization of the constituent fractions into high added-value compounds. Microwave drying technology can be proposed before conventional ethanol extraction of algal biomass, and supercritical fluid extraction with CO2 was useful to extract fucoxanthin and for the fractionation of crude ethanol extracts. Hydrothermal processing is proposed to fractionate the algal biomass and to solubilize the fucoidan and phlorotannin fractions. Membrane technology was proposed to concentrate these fractions and obtain salt- and arsenic-free saccharidic fractions. Based on these technologies, this study presents a multipurpose process to obtain six different products with potential applications for nutraceutical, cosmetic and pharmaceutical industries.
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