Method of preparing intermediate DS starch esters in aqueous sol

Details Method of preparing intermediate DS starch esters in aqueous sol Method of preparing intermediate DS starch esters in aqueous sol

1992-12-23

1994-06-14

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536110, C08B 3102, C08B 3302, C08B 3502

Patent

active

053211324

ABSTRACT:
Starch esters having an intermediate DS of about 0.5 to 1.8 are prepared in an aqueous one step process by reacting starch with high treatment levels of organic acid anhydride and high concentrations of alkaline reagent.

REFERENCES:
patent: 2461139 (1949-02-01), Caldwell
patent: 3839320 (1979-10-01), Bauer
patent: 3891624 (1975-06-01), Boonstra et al.
R. L. Whisler, J. N. BeMiller and E. F. Pschall, "Starch; Chemistry and Technology", Academic Press, 1984, pp. 332-343.
O. B. Wurzburg, "Methods in Carbohydrate Chemistry", 1964, 4, pp. 286-288.

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