Method for the purification of vitamin E
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United States of America Patent
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Dec 10, 1996
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N/A
app pub date -
Oct 7, 1994
filing date -
Oct 7, 1994
priority date (Note) -
Expired
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Abstract
A method for the separation and purification in a single pass of a heat or oxygen-sensitive liquid feed, such as a plant derived liquid feed mixture of fatty acids, tocopherol compounds and sterols, into a low boiling point purified fraction of Vitamin E tocopherol compounds and a high boiling point concentrate fraction of triglycerides, which method can be maintained in the presence of an inert gas to provide reduced degradation and increased purity of the Vitamin E fraction.
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