Method of recovering pinitol or chiro-inositol in high yield from soy fractions
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United States of America Patent
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Issued Date -
Oct 2, 2003
app pub date -
Nov 26, 2002
filing date -
Mar 27, 2001
priority date (Note) -
Abandoned
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Abstract
This invention relates to a method for recovering useful products from soy fractions with high efficiency, and more specifically to increasing the recovery yield of pinitol or chiro-inositol from soy fractions, in which it is contained by a process comprising the steps of culturing a microorganism to transform pinitol derivatives into pinitol in soy fractions, thereby to increase the pinitol content in soy fractions, followed by removing microorganisms, insoluble materials and other macromolecules from said fractions by centrifugation or filtration to obtain an aqueous solution containing pinitol or chiro-inositol, contacting said solution with activated carbon to adsorb the pinitol or chiro-inositol, contacting said solution with activated carbon to adsorb the pinitol or chiro-inositol, and then recovering it by stepwise or gradient elution with an organic solvent.
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