Simple process to produce and separate water soluble and oil soluble antioxidative flavoring compositions from labiatae herbs using green solvents
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United States of America Patent
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Jun 28, 2016
Grant Date -
Aug 22, 2013
app pub date -
Oct 25, 2011
filing date -
Oct 25, 2010
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Abstract
Processes for preparing water soluble and oil soluble antioxidant compositions extracted together from Labiatae herbs in a single extraction using an alcohol and water solvent, followed by a simple, yet effective purification step that allows the separation of the water soluble antioxidative fractions containing mainly rosmarinic acid from antioxidative fractions containing mainly carnosic acid and carnosol, without cumbersome acid/base partitioning steps.
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