Influence of penetration enhancers on in vitro transdermal permeation of dl-praeruptorin A
Feihong Meng
Abstract
Feihong Meng
Abstract
Objective: To study the effect of penetration enhancers on the in vitro transdermal permeation of dl-praeruptorin A(Pd-Ia) through rat skin.Methods: The permeation experiments were evaluated by Franz diffusion cell in excised rat skin.HPLC-UV method was established to determine the concentration of Pd-Ia in receptor compartment.Azone or 1% Azone combined with propylene glycol(PG) as chemical penetration enhancers were applied to study the skin permeation rates of Pd-Ia.Results: 1% Azone alone achieved the highest penetration rate,4.064 μg·cm-2·h-1.1% Azone combined with 15% PG was the best penetration enhancer with the maximal penetration rate of 4.889 μg·cm-2·h-1.Conclusion: Combination of 1% Azone with 15% PG is effective on transdermal permeation of Pd-Ia in vitro,and the combination exerts a synergistic effect.
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Objective: To study the effect of penetration enhancers on the in vitro transdermal permeation of dl-praeruptorin A(Pd-Ia) through rat skin.Methods: The permeation experiments were evaluated by Franz diffusion cell in excised rat skin.HPLC-UV method was established to determine the concentration of Pd-Ia in receptor compartment.Azone or 1% Azone combined with propylene glycol(PG) as chemical penetration enhancers were applied to study the skin permeation rates of Pd-Ia.Results: 1% Azone alone achieved the highest penetration rate,4.064 μg·cm-2·h-1.1% Azone combined with 15% PG was the best penetration enhancer with the maximal penetration rate of 4.889 μg·cm-2·h-1.Conclusion: Combination of 1% Azone with 15% PG is effective on transdermal permeation of Pd-Ia in vitro,and the combination exerts a synergistic effect.
Key concepts: Azone, Permeation, Penetration (warfare), Transdermal, Chemistry, In vitro, Chromatography, Pharmacology