QIN Jian1, LIU Shu-zhi2, ZHANG Qiang2, et al. Study on the in vitro Release and Transdermal Permeability of Zuojin Micro-emulsive Gel and Zuojin Aqueous Gel[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(12): 40-44.
QIN Jian1, LIU Shu-zhi2, ZHANG Qiang2, et al. Study on the in vitro Release and Transdermal Permeability of Zuojin Micro-emulsive Gel and Zuojin Aqueous Gel[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(12): 40-44.DOI:
Objective: To compare the in vitro release and transdermal permeability between Zuojin micro-emulsive gel and Zuojin aqueous gel.Methods: Improved Franz diffusion cell was adopted to research the in vitro release and permeability difference between the two kinds of gels in mouse skin
and HPLC was used to determined the contents of evodiamine
rutaecarpine
palmatine and berberine in the receiving solutions.Result: The release rate of rutaecarpine in the aqueous gel was higher than that of micro-emulsive gel;and the release rate of evodiamine in micro-emulsive gel was higher than that of the aquous gel.The release of palmatine and berberine was no significant difference between two kind of gels.The permeation rate of evodiamine
palmatined and berberine in micro-emulsive gel was 10 times
36 times and 26 times higher than those in the aquous gel respectively.The permeation rate of rutaecarpine in the aqueous gel was 1.6 times higher than that in the micro-emulsive gel.The release and penetration process of four compounds in two kinds of Zuojin gels conformed to zero kinetic equation.Conclusion: Micro-emulsive gel could significantly enhance the transdermal permeability of compound.