YAKHAK HOEJI (약학회지)

The Pharmaceutical Society of Korea (대한약학회)
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Synergistic Effect of Polygodial with Imidazole Drugs on the Antifungal Activity

천연물 Polygodial과 Imidazole계 화합물의 병용에 의한 항진균 활성의 증진

  • Published : 1999.04.01
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Abstract

The fungistatic and fungicidal activities of amphotericin B, fluconazole, miconazole, econazole, and 5-fluorocytosine against Saccharomyces cerevisiae were estimated in the presence of 1/2 minimum inhibitory concentration (MIC) and 1/2 minimum fungicidal concentration (MFC) of polygodial, respectively. Among them, the antifungal activities of miconazoles by polygodial was still shown against several yeast-like fungi including Candida albicans, Candida utilis, Cryptococcus neoformans, except for Candida krusei. The combination of polygodial with imidazole drugs against Saccharomyces cerevisiae was further examined using the macrobroth dilution checkerboard method. The fractional inhibitory concentration (FIC) and the fractional fungicidal concentration (FFC) index between polygodial and miconazole were 0.16 and 0.19, while the combination of polygodial with econazole exhibited the FIC index of 0.19 and the FFC of 0.25, respectively. These results suggest that polygodial and the imidazoles on the fungistatic and fungicidal action are highly synergistic.

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