Solubilization and hydrolysis of carbohydrates

Details Solubilization and hydrolysis of carbohydrates Solubilization and hydrolysis of carbohydrates

1983-12-14

1987-12-15

Warden, Robert J.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 36, 127 37, 536 11, 536 56, 536102, F24C 520, C07H 100, C08B 3700, C08B 3100

Patent

active

047131187

ABSTRACT:
A process for the modification, solubilization and/or hydrolysis of a glycosidically linked carbohydrate having reducing groups using a mixture comprising water, an inorganic acid and a halide of lithium, magnesium or calcium. The process is particularly useful for converting cellulose (derived for example from waste-paper, wood or sawdust) or starch to glucose. When cellulose is the starting material the preferred halide is a lithium halide. When starch is the starting material a magnesium halide is preferred.

REFERENCES:
patent: 4018620 (1977-04-01), Penque
Hunter, J. Chem. Soc., pp. 2643-2648 (1928).
Pearce et al., J. Phys. Chem., 42: 455-467 (1938).
Chem. Abs. 83: 45087p (1975).
Chem. Abs. 79: 80614x (1973).
Chem. Abs. 51: 17212 (1957), Litvak.
Chem. Abs. 33: 3586-7 (Demidchuk et al.).

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