Medical Mycology Journal
Online ISSN : 2186-165X
Print ISSN : 2185-6486
ISSN-L : 2185-6486
Original Articles
Inhibition of Candida Mycelia Growth by a Medium Chain Fatty Acids, Capric Acid in Vitoro and its Therapeutic Efficacy in Murine Oral Candidiasis
Miki TakahashiShigeharu InoueKazumi HayamaKentaro NinomiyaShigeru Abe
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2012 Volume 53 Issue 4 Pages 255-261


We assessed anti-C. albicans activities of the 4 fatty acids : caproic acid, caprylic acid, capric acid and lauric acid in vitro. All four inhibited not only the mycelial but also the yeast-form growth of Candida albicans. In particular, capric acid and caprylic acid inhibited Candida mycelia growth at very low concentrations. The effects of treatment of these two fatty acids on oral candidiasis were examined using a murine model. When 50 μl of capric acid (more than 48.8 μM) was administered three times into the oral cavity of Candida-infected mice, symptom scores of tongues of the mice were significantly improved. Histological studies of the capric acid-treated animals indicated that the fatty acid suppressed mycelial growth of the fungus on the tongue surface. These results suggest that all four fatty acids, and especially capric acid, have potential as substances supporting anti-Candida treatment.

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© 2012 The Japanese Society for Medical Mycology
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