Study of Bingpeng oral paste / 中成药

ABSTRACT

Objective:To study new dosage form of Bingpeng powder referring to oversea patent. Methods: To disperse Bingpeng powder, adhesive and viscosity builders (such as gelatin, carboxymethylcellulose, hypromellose or carbomer), nonionic emulsifier (gluceryl monostearate) and white vaseline into liquid paraffin, stir to attain paste. The formulation was screened by adhesive strength, shape keeping characteristic and water asorbing value. Results: The better formulation Bingpeng powder 5.0g, hypromellose 21.0g, carbomer 14g, gluceryl monostearate 3.0g, white vaseline 7.0g, liquid paraffin to 100.0g; the paste getting rabbits' artificial ulcers healed more quickly than powder does. Conclusion: The paste is applied more expediently and more effective for oral ulcer.