Crystallization form of dihydromyricetin, preparation method thereof and pharmaceutical composition containing the same

The invention belongs to the field of medical technology, and relates to the crystallization form of dihydromyricetin, and a preparation method thereof and a pharmaceutical composition containing the same. The invention discloses the crystallization form I, II, III, IV and an X-ray powder diffractio...

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Bibliographic Details
Main Authors ZHAO NAXIA, HAN YINGMEI
Format Patent
LanguageEnglish
Published 02.09.2015
Subjects
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The invention belongs to the field of medical technology, and relates to the crystallization form of dihydromyricetin, and a preparation method thereof and a pharmaceutical composition containing the same. The invention discloses the crystallization form I, II, III, IV and an X-ray powder diffraction pattern of the dihydromyricetin, simultaneously provides the preparation method of the crystallization form and the pharmaceutical composition containing the crystallization form. The crystallization form I provided by the invention has the advantages of stable crystal form, good dissolvability, simple preparation method, and yield in steps, and medicinal preparation and storage of dihydromyricetin as medicinal raw material.
Bibliography:Application Number: CN2014168795