Preparation method of vigabenic acid preparation

The invention discloses a preparation method of an amhexenoic acid preparation. The method comprises the following steps: (1) weighing raw material medicines including amhexenoic acid, an excipient, a pH stabilizer, an antioxidant and purified water according to dosage; (2) putting a part of the pur...

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Bibliographic Details
Main Authors LIANG HUAGUO, LI SHOUFENG, WANG ZHONGQIN, LI BOLI, BAI WEILONG
Format Patent
LanguageChinese
English
Published 15.11.2022
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:The invention discloses a preparation method of an amhexenoic acid preparation. The method comprises the following steps: (1) weighing raw material medicines including amhexenoic acid, an excipient, a pH stabilizer, an antioxidant and purified water according to dosage; (2) putting a part of the purified water of the prescription dosage into a container, and adding the vigabenic acid, the excipient, the pH stabilizer and the purified water; (3) stirring until the materials are completely dissolved, and adding the balance of water; (4) filtering the liquid medicine prepared in the step (3), filling an injection bottle with the filtered liquid medicine, and performing freeze drying; and (4) carrying out secondary drying, capping and packaging to obtain a finished product. The freeze-dried preparation prepared by the invention has a loose porous structure, so that the medicine is easy to redissolve to recover activity, and the freeze-dried preparation is low in water content and easy to stably preserve for a lon
Bibliography:Application Number: CN202210954080