Carrageenan modified by ion-exchange process
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United States of America Patent
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Mar 26, 2013
Grant Date -
Dec 27, 2012
app pub date -
Sep 5, 2012
filing date -
Mar 14, 2008
priority date (Note) -
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Abstract
A composition comprises an ion-exchanged carrageenan. The carrageenan may be a traditionally extracted or neutrally extracted iota or kappa carrageenan. The ion-exchanged carrageenan has reduced gelling cation contents, reduced gelling temperature, and reduced melting temperature, as compared to its non-ion-exchanged counterpart. The ion-exchanged carrageenan may be mixed with another carrageenan to form a carrageenan product having a unique gelling temperature and melting temperature. Also disclosed is a process for making an ion-exchanged carrageenan composition.
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