Crystal of L-Ornithine-Citric Acid Salt
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jun 24, 2005
filing date -
Jun 25, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention provides a crystal of a salt of L-ornithine and citric acid, the crystal of the salt of L-ornithine and citric acid in which pH of the 5 weight % aqueous solution is 3 to 6, the crystal of the salt of L-ornithine and citric acid in which a composition ratio of L-ornithine and citric acid is 2:1 (molar ratio), a process for producing the crystals of the salt of L-ornithine and citric acid which comprises dissolving L-ornithine and citric acid in water, and precipitating the crystal from the resulting aqueous solution, the process for producing the crystal of the salt of L-ornithine and citric acid in which the pH of the aqueous solution is 3 to 6, and the like.
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