Method for the extraction of oils from grain materials and grain-based food products
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United States of America Patent
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Aug 29, 1995
Issued Date -
N/A
app pub date -
Feb 1, 1993
filing date -
Jun 19, 1992
priority date (Note) -
Expired
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Abstract
A method of obtaining oil from grain materials such as rice bran, wheat mill feed, rapeseed, amaranth, and similar grains, by stabilizing the oil contained in the grain material (when necessary) while increasing the porosity of such grain material; extracting oil from the grain material by contact with a solvent in vapor form; and, separating extracted oil/solvent compositions into fractions containing various amounts of saturated and unsaturated oils. A solvent in vapor form is also used to remove oils from: previously-extracted oil seeds, which were extracted using a less efficient extraction method; flaked or crushed vegetable matter; and grain-based food products such as chips, crackers and noodles.
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