Abstract
Acquired resistance to antifungals is rising particularly among Candida species. Herbal ingredients have biological and pharmacological activities, which make them potential fungicidal agents. The present study investigated the effects of curcumin (CUR) and difluorinated curcumin (CDF) on Candida species. CUR and CDF were examined against Candida isolates obtained from patients candidemia due to C. albicans (n=13), C. dubliniensis (n=2), C. parapsilosis (n=2), and C. tropicalis (n=1); and laboratory strains of C. albicans (TIMML 1292 and TIMML 183), C. krusei (TIMML 1321), C. parapsilosis (TIMML 2201), and C. tropicalis (TIMML 731) based on the M27-A3 guideline. At the concentrations of 1-512μg/mL, none of the CDF and CUR showed a significant minimum inhibitory concentration (MIC) range against Candida isolates. There was no significant difference between the effects of CUR and CDF against Candida species. The CUR and CDF did not exert any inhibitory effect on the growth of Candida strains. Any possible effect on other yeast and filamentous fungi needs to be further investigated.
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