Method of preparing lactulose

Details Method of preparing lactulose Method of preparing lactulose

1990-08-13

1991-06-25

Morris, Theodore

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

C08B 3000

Patent

active

050264303

ABSTRACT:
The invention relates to a new method of preparing lactulose by basic isomerization of lactose. According to the invention the reaction mixture is treated with hydrogen peroxide or sodium chlorite to obtain lactulose of an acceptable color for a pharmaceutical product.
Preferably 0.5-5 g of hydrogen peroxide are used per kg of lactose.1H.sub.2 O.

REFERENCES:
patent: 3707534 (1972-12-01), Nitsch et al.
patent: 4196017 (1980-04-01), Melville et al.
patent: 4536221 (1985-08-01), Carrobbi et al.

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