Conversion of glucose to sorbose
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United States of America Patent
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Feb 9, 2016
Grant Date -
Oct 16, 2014
app pub date -
Mar 5, 2014
filing date -
Apr 11, 2013
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Abstract
The present invention is directed to methods for preparing sorbose from glucose, said method comprising: (a) contacting the glucose with a silica-containing structure comprising a zeolite having a topology of a 12 membered-ring or larger, an ordered mesoporous silica material, or an amorphous silica, said structure containing Lewis acidic Ti4+ or Zr4+ or both Ti4+ and Zr4+ framework centers, said contacting conducted under reaction conditions sufficient to isomerize the glucose to sorbose. The sorbose may be (b) separated or isolated; or (c) converted to ascorbic acid.
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