CARBON DIOXIDE INDICATOR USING CHITOSAN AND FOOD PACKAGE COMPRISING THE SAME
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Feb 7, 2012
filing date -
Jun 21, 2011
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Abandoned
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Abstract
Disclosed is a carbon dioxide indicator using chitosan and a food package comprising the same. The carbon dioxide indicator senses variation in partial pressure of carbon dioxide present in a head space of the package and thus visibly displays the result. The carbon dioxide indicator rapidly reacts at a specific critical point (pH 7.0) or less, thus being considerably highly sensitive.
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