Anthocyanin pigments with improved heat-resistance
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United States of America Patent
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Issued Date -
Aug 18, 2005
app pub date -
Feb 4, 2005
filing date -
Feb 16, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention is to provide anthocyanin pigments with improved heat-resistance and production thereof, and a method for coloring foods with said anthocyanin pigments and foods colored with said anthocyanin pigments. Heat-resistance in anthocyanin pigments is enhanced by adjusting an aqueous anthocyanin solution to a pH range of 4.0 to 6.5 at a temperature of 40 to 100.degree. C.
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