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Formation and stability studies of multiple (w/o/w) emulsions prepared with newly synthesized rosin-based polymeric
V T Dhanorkar1, B B Gogte, A K Dorle
1Department of Pharmaceutical Sciences, Nagpur University, India. dvipin@usa.net
Drug Development and Industrial Pharmacy
|September 11, 2001
Abstract:
The multiple (water-in-oil-in-water, w/o/w) emulsions were prepared using newly synthesized rosin-based polymeric surfactants. The oil phase used was liquid paraffin. These emulsions were evaluated for stability by various methods: conductivity, viscosity, particle size, and visual inspection. The stability studies were carried out at 37 degrees C and 4 degrees C for 1 month. The multiple emulsion prepared with polymer 7 was found to be more stable compared to the emulsions prepared with polymer 2.