Method for producing polyglutamic acid or a salt thereof
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United States of America Patent
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Dec 7, 1993
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N/A
app pub date -
Jul 23, 1990
filing date -
Jul 26, 1989
priority date (Note) -
Expired
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Abstract
In a fermentive production of polyglutamic acid and a salt thereof, the accumulation of polyglutamic acid can be markedly increased in a very simple manner by adding an alkaline earth metal ion to the medium in a concentration of not less than 0.05 mole per liter.
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