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Title:
CRYSTALLINE LACTOSE WITH HIGH BETA-LACTOSE CONTENT AND DILUENT COMPRISING IT
Document Type and Number:
Japanese Patent JPS5519237
Kind Code:
A
Abstract:

PURPOSE: The title lactose useful as an excellent diluent, prepared by growing the crystal of amorphous lactose under specified conditions, and by drying the srystal.

CONSTITUTION: Amorphous lactose is subjected to the atmosphere of RH≥50% to make the crystal growth measured by the X-ray. diffractometry at the diffraction angle 2θ=10.5° in the 110-plane of the β-lactose maximum, and dried to give a crystalline lactose with a high β-lactose content, e.g.≥55 wt.%. The lactose having improved compression moldability is easily prepared and useful as a diluent due to the small increase in volume with moisture absorption.


Inventors:
Wakimoto, Takeshi
Application Number:
JP1978000092131
Publication Date:
February 09, 1980
Filing Date:
July 27, 1978
Export Citation:
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Assignee:
TOA IYAKUHIN KOGYO KK
International Classes:
A61K47/26; A61K47/00; (IPC1-7): A61K47/00
Domestic Patent References:
JPS4885746A
JPS51146411A