Recovery of microorganism having ice nucleating activity
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United States of America Patent
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Nov 17, 1987
Grant Date -
N/A
app pub date -
Sep 23, 1986
filing date -
Sep 23, 1986
priority date (Note) -
Expired
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Abstract
There is disclosed a method for recovery of a microorganism having ice nucleating activity from a fermentation medium which comprises the steps of (a) bringing the temperature of the medium to a temperature of about 15.degree. C. or less, (b) forming a concentrate of the medium while maintaining the temperature of about 15.degree. C. or less, (c) running the concentrate into a cryogenic fluid to form frozen pellets of the concentrate and (d) freeze drying said pellets at a temperature below 25.degree. C.
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