Sugar – starch – and carbohydrates – Processes – Carbohydrate manufacture and refining
Patent
1974-11-18
1976-08-17
Wolk, Morris O.
Sugar, starch, and carbohydrates
Processes
Carbohydrate manufacture and refining
127 70, 536102, C08B 3118, C13L 108
Patent
active
039752062
ABSTRACT:
An improved method for thinning starch in the granular state employing hydrogen peroxide and metal ion catalysts in an aqueous suspension, free of buffer additions. The thinning action proceeds in acid pH to the desired viscosity level, and is stopped by the addition of sodium metabisulfite, or other reducing agent to remove residual hydrogen peroxide. The aqueous suspension is then neutralized, and the usual purifying and drying steps are effected on the granular product.
REFERENCES:
patent: 3058853 (1962-10-01), Wurzburg
patent: 3475215 (1969-10-01), Maurer
patent: B408030 (1975-01-01), Speakman
The Hydrolysis of Starch by H.sub.2 O.sub.2 and Ferrous Sulfate, Jnl. Biological Chemistry, vol. 113, pp. 417-425 (1936).
Merck Index, Eighth Edition, p. 955.
C.A. 46: 11117h, The Action of Iron and Hydrogen Peroxide on Polysaccharides, 1952.
Hurst Thomas L.
Lotzgesell James A.
Moser Kenneth B.
A. E. Staley Manufacturing Company
Barnett Howard J.
Marcus Michael S.
Meyerson Charles J.
Wolk Morris O.
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