Phaffia rhodozyma mutants, process for producing .beta.-carotene and use of .beta.-carotene rich biomass
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United States of America Patent
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Nov 25, 1997
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N/A
app pub date -
Oct 13, 1995
filing date -
Jan 19, 1993
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Expired
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Abstract
The subject of the present invention is Phaffia rhodozyma mutants blocked in the step of conversion of .beta.-carotene in the pathway of biosynthesis of astaxanthin. The present invention also relates to a process for producing .beta.-carotene using these mutants, for purposes of use in the preparation of foodstuffs or cosmetic or pharmaceutical products.
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