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Herald of Medicine ; (12): 1480-1482, 2015.
Artigo em Chinês | WPRIM | ID: wpr-481299

RESUMO

Objective To study the film ̄forming property of film ̄forming materials in dragon blood ethanol solution, and provide the reference for screening of film ̄forming materials for dragon blood plastics. Methods PVA124,PVA1788, PVP ̄K30, EC, MC, PVB were chosen to study the film ̄forming property of film ̄forming materials based on solubility, formation time, and adhesion. Results PVA1788 and PVP ̄K30 mixed in dragon blood ethanol solution in proportion of 4:1 showed good film ̄forming property, and the membrane was smooth, uniform and easy to tear off.However, PVA124 and PVP ̄K30 mixed in proportion of 4:1 precipitated in dragon blood ethanol solution.EC, MC and PVB were not easy to tear off the membrane. Conclusion PVA1788 and PVP ̄K30 mixed in proportion of 4:1 and added with propylene glycol is the optimal choice of film ̄forming material for dragon blood spray film.

2.
Chinese Traditional Patent Medicine ; (12)1992.
Artigo em Chinês | WPRIM | ID: wpr-573447

RESUMO

AIM: To investigate the preparation and parameter of pellets of traditional Chinese medicine in order to solve the problem of preparation of pellets of traditional Chinese medicine. METHODS: We took centrifugal spray method to prepare the pellets, and compared effect of spray coating and fluidzed bed coating on the quality of pellets. RESULTS: The best preparation of pellets was determined as followed. The frequency of turntable was 45 HZ, the flow rate of liquid was 1.2 g/min. the relative density of liquid was 1.20 g/cm 3; when coating weigh reached 14%, the better pellets could be obtained. CONCLUSION: The need of the assistant matter of taking spray pellets and film coating was less and roboticized. It accorded with the answer of GMP and the regular production of the preparation of pellets of traditional Chinese medicine.

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