Patent classifications
C
CHEMISTRY; METALLURGY
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C11
ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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C11B
PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
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7/00
Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
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C11B7/0008
by differences of solubilities, e.g. by extraction, by separation from a solution by means of anti-solvents
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C11B7/005
in solvents used at superatmospheric pressures
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C11B7/005

METHODS FOR FRACTIONATING LIPIDS
20170022448 · 2017-01-26 ·

[Problem] Provision of a method for fractionating lipids using liquefied dimethyl ether as a solvent.

[Means for Solving] To provide a method for fractionating a lipid using liquefied dimethyl ether as a solvent. [Solution] A method for fractionating a lipid, which comprises subjecting a microbial biomass to extraction using liquefied dimethyl ether as a solvent and then fractionating the lipid utilizing separation selectivity for the lipid. A method for producing a lipid, which comprises subjecting a microbial biomass to extraction using liquefied dimethyl ether as a solvent, then fractionating a portion of the lipid utilizing separation selectivity for the lipid to modify the fatty acid composition of the remainder of the lipid which remains in the microbial biomass, and then extracting the lipid having a modified fatty acid composition.