Continuous process for the preparation of crystalline lactulose
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United States of America Patent
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Aug 19, 2014
Grant Date -
May 14, 2009
app pub date -
Nov 12, 2008
filing date -
Nov 14, 2007
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Abstract
The present invention concerns a process that can be realised continuously for the preparation of anhydrous crystalline lactulose from commercial aqueous syrups that contain it, characterised in that the crystallisation and consequent separation of the high-purity lactulose with high yields from the syrup is triggered by mixing the ore pulp (or recycled ore pulp), obtained from a previous lactulose crystallisation phase, with the syrup itself.
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