Stable peppermint oil having reduced pulegone content and method of producing the same
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United States of America Patent
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Aug 29, 1989
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N/A
app pub date -
Aug 18, 1988
filing date -
Aug 18, 1988
priority date (Note) -
Expired
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Abstract
Crystal-clear peppermint oil maintaining its noble character and having a reduced pulegone content, enhanced menthone and menthol content, and improved stability against menthofuran oxidation breakdown is produced by a stereospecific method of reduction by hydrogenation of pulegone in situ using a saturated aqueous solution of sodium sulfite in the presence of glacial acetic acid at approximately neutral pH.
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