Enzymatically protein-encapsulating oil particles by complex coacervation
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United States of America Patent
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Dec 4, 2001
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app pub date -
Dec 17, 1999
filing date -
Jan 31, 1997
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Abstract
Enzymatic cross-linking of protein-encapsulated oil particles by complex coacervation. A complex coacervate of oil particles, each encapsulated in a protein shell, is stabilized by gelling the protein shell and is subsequently enzymatically cross-linked to form thermostable capsules of about 100-300 microns. The preferred enzyme is transglutaminase, and the reaction is performed at pH 7 to achieve the optimal cross-linking rate. The transglutaminase-catalyzed cross-linking reaction takes place with the complex coacervate maintained at a temperature in the range of about 5.degree. C.-10.degree. C. to maintain the structural stability of the complex coacervate.
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