Preparation of high purity D-allose from D-glucose

Details Preparation of high purity D-allose from D-glucose Preparation of high purity D-allose from D-glucose

1994-03-22

1995-07-18

Lieberman, Paul

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 462, 536124, 536127, C13J 106, C07H 100, C07H 300

Patent

active

054337933

ABSTRACT:
A flow scheme is presented for the production of high purity D-allose from D-glucose. The key reaction is epimerization of D-glucose at C-3 to afford D-allose in per pass yields of at least 7%. The epimerization reaction product is then subjected to concentration, decolorization, and deionization before entering a separation zone, preferably a sorptive separation zone, from which an extract stream enriched in D-allose is obtained.

REFERENCES:
patent: 4029878 (1977-06-01), Kruse
patent: 4718405 (1988-01-01), Firth et al.
patent: 4815445 (1989-01-01), Swedo

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