Biosynthesis of beta-cryptoxanthin in microbial hosts using an Arabidopsis thaliana beta-carotene hydroxylase gene
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United States of America Patent
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Issued Date -
May 29, 2008
app pub date -
Oct 12, 2006
filing date -
Oct 12, 2006
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Abstract
A method is disclosed for preparing .beta.-cryptoxanthin from a microorganism transformed with the .beta.-carotene hydroxylase gene from Arabidopsis thaliana by culturing the transformant in a medium and recovering .beta.-cryptoxanthin from the resultant culture. Both bacteria and yeasts were successfully transformed. Surprisingly, .beta.-cryptoxanthin is the dominant carotenoid produced by the transformant and was not significantly converted into zeaxanthin.
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