Process for producing theanine
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United States of America Patent
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Feb 26, 2008
Grant Date -
May 18, 2006
app pub date -
Apr 22, 2003
filing date -
Aug 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for efficiently producing theanine is provided, wherein glutamine and ethylamine are reacted byPseudomonas citronellosis GEA FERM BP-8353, which is newly separated/selected from natural soil, belongs to the genus, Pseudomonas, and the species citronellosis and is a theanine producing bacteria with activities of transferring the .gamma.-glutamyl group. Theanine production increased by four times by using glutaminase derived from the bacteria in a mixture of glutamine and ethylamine at a pH in a range of 9-12 in comparison with conventional methods.
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