YAN Guo-hong, PAN Xu-dong, LI Huang, et al. Optimization of Matrix Formulation of Shuangteng Bitong Gel Ointments by Uniform Design[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(15): 11-14.
DOI:
YAN Guo-hong, PAN Xu-dong, LI Huang, et al. Optimization of Matrix Formulation of Shuangteng Bitong Gel Ointments by Uniform Design[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(15): 11-14. DOI: 10.13422/j.cnki.syfjx.2014150011.
Optimization of Matrix Formulation of Shuangteng Bitong Gel Ointments by Uniform Design
Objective: To optimize matrix formulation of Shuangteng Bitong gel ointments. Method: Taking initial adhesion
peeling strength and overall sensory score as comprehensive evaluation indexes
sodium polyacrylate(NP700) as framework material
kaolin as filler
carbomer 940
polyvinyl alcohol(PVA-124) and sodium carboxymethyl cellulose(CMC-Na) as thickening agent
glycerin as humectant
dihydroxyaluminum aminoacetate as crosslinking agent
citric acid as crossliked regulator
castor oil as softener
matrix formulation of Shuangteng Bitong gel ointments was optimized by uniform design. Result: Optimum matrix formulation was as following:NP700:carbomer 940:PVA-124:CMC-Na:kaolin:glycerin:dihydroxyaluminum aminoacetate:citric acid:castor oil=1.68:0.43:0.1:0.33:1.08:12.0:0.09:0.14:0.05;initial adhesion was 12.1 mm
peeling strength was 34.56 s
overall sensory score was 27.7. Conclusion: These prepared Shuangteng Bitong gel ointments had smooth appearance and no film residue with good adhesive property and good skin adhesive ability.
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