Physical process for simultaneous deodorization and cholesterol reduction of fats and oils
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United States of America Patent
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Feb 14, 1989
Issued Date -
N/A
app pub date -
Mar 2, 1987
filing date -
Oct 21, 1986
priority date (Note) -
Expired
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Abstract
Disclosed are physical processes for fats and oils, especially fish oil, involving simultaneous deodorization and cholesterol level reduction. Either freshly refined or stored oils that have oxidized (reverted fish oil) can be treated. In the process the fish oil is deaerated, mixed with steam, heated, flash vaporized, thin-film stripped with countercurrent steam, cooled (all steps being performed under vacuum), and then stored under oxygen free conditions. The process provides fish oils which are clean tasting and from which has been removed substantially all of the free or non-esterified cholesterol.
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