Method for purification of lactose
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jul 8, 2004
app pub date -
Dec 19, 2001
filing date -
Dec 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to improved methods of purification of sugars and in particular to a method of preparing lactose. A low purity lactose source such as whey is subjected to a first demineralization step involving either ion-exchange or the addition of divalent metal cations, followed by a second demineralization step where alcohol is added. The invention also relates to lactose produced by this method and products comprising lactose produced by this method.
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