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Research of Oxidation Starch Conversion and Crystallinity
Abstract:
In order to analyze the antioxidant conversion rate of hydrogen peroxide as oxidant to make oxidation starch, and the change of starch crystallinity when mixing different amount of antioxidant, the determination of carboxyl content and X-ray diffraction analysis map have been analyzed by adding 5ml, 10ml, 15ml, 20ml, 25ml mix amount of oxidation starch respectively to starch and oxidizer. We can get the conclusion that the conversion rate of hydrogen peroxide is 0.062%.We know that crystallinity of 6 different oxidation starches reduced with the increase of oxidant amount. Confirm that the hydrogen peroxide have a weak influence on the crystallinity of starch.
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1220-1224
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Online since:
December 2011
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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