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Air-Oxidation of Starch Using Quinquevalent Vanadium as Catalyst

✍ Scribed by R. E. Harmon; S. K. Gupta; J. Johnson

Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
384 KB
Volume
23
Category
Article
ISSN
0038-9056

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✦ Synopsis

Air-oxidation of corn starch in the presence of ammonium meta vanadate at 35-40 O C and p H 9 has been studied. The resulting oxidized starch contained moye carbonyl but less carboxyl as compared to an industrial oxidized starch. However, the presence of undesirable amounts of the catalyst imparted extremely high viscosity to the oxidized starch.

The ultraviolet irradiation was found to have a pronounced effect on the air oxidation of starch in the presence of ammonium meta vanadate. Increased carboxyl content was observed in the UV light catalyzed oxidized starch.

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