METHOD OF EXTRACTING POLAR LIPIDS AND NEUTRAL LIPIDS WITH TWO SOLVENTS
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Mar 21, 2013
filing date -
Apr 6, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for separating polar lipids and neutral lipids from plant material, in particular, intact algal cells, using an amphipathic solvent set and a hydrophobic solvent set. Some embodiments include dewatering intact algal cells and then extracting polar lipids and neutral lipids from the algal cells. The methods provide for single and multistep extraction processes which allow for efficient separation of algal polar lipids and neutral lipids from a wet algal biomass while avoiding emulsification of extraction mixtures. These polar lipids are high value products which can be used as surfactants, detergents, and food additives. These neutral lipids are also high value products which can be used to generate renewable fuels.
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