Enhancement effect of p-menthane-3,8-diol on in vitro permeation of antipyrine and indomethacin through Yucatan micropig skin.
Makiko Fujii, Yasuhiro Takeda, Minako Yoshida, Mitsuo Matsumoto, Yoshiteru Watanabe
文献索引:Drug Dev. Ind. Pharm. 30(6) , 673-7, (2004)
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摘要
The enhancing effect of p-Menthane-3,8-diol (MDO) on skin permeation of antipyrine (ANP) and indomethacin (IM) through Yucatan micropig skin in vitro was compared with 1-menthol. p-Menthane-3,8-diol is a metabolite of 1-menthol and has little odor. It is easy to combine the vehicle because of lower lipophilicity than 1-menthol. All formulations contained 40% (v/v) ethanol. The permeation of ANP increased with MDO about three times that without enhancer by increasing ANP concentration in the skin. However, the MDO effect was about a quarter that of 1-menthol. The permeation of IM with MDO was about 15 times that with no enhancer and it was almost the same as that with 1-menthol. The lag time of permeation was not significantly changed by MDO, which was not so in the case of 1-menthol. Skin concentration of IM increased about 11 times and six times with MDO and 1-menthol, respectively. MDO and 1-menthol partitioned to the skin relatively high concentrations, 5.9 and 2.5 mg/ cm3, respectively. The solubility of IM in the skin was improved by MDO, and consequently, the permeation of IM was enhanced.
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