Crystalline lactulose trihydrate and a method for its manufactur

Details Crystalline lactulose trihydrate and a method for its manufactur Crystalline lactulose trihydrate and a method for its manufactur

1992-08-10

1994-04-19

Bell, Mark L.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 29, 127 31, 426658, 53612313, C13F 300, C07H 300, C08B 3700

Patent

active

053042514

ABSTRACT:
A crystalline lactulose trihydrate having molecular formula of C.sub.12 H.sub.22 O.sub.11.3H.sub.2 O and a method for its manufacture, which comprises crystallization from a lactulose syrup at a temperature of 2.degree.-20.degree. C., the starting lactulose syrup having a lactulose content of 70-90% of a total solid matters by weight, and having been concentrated to the total solid matters of 65-75% by weight and a ratio of lactose to water of less than 10% by weight.

REFERENCES:
patent: 4999058 (1991-03-01), Kawashima et al.
patent: 5160546 (1992-11-01), Kawashima et al.

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