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Effect of Chamaecyparis obtusa tree Phytoncide on Candida albicans

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È«ÁøÇ¥ ( Hong Jung-Pyo ) - °æÈñ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­³»°úÇб³½Ç

Abstract

³ª¹«°¡ °®´Â ƯÀ¯ÀÇ ÇâÀÎ ÇÇÅæÄ¡µå´Â Èֹ߼º È­Çй°Áú·Î¼­, ½Ä¹°ÀÌ ¹æ¾î¸¦ À§ÇØ ½º½º·Î »ý¼ºÇÏ¿© ¹ß»êÇÏ´Â ¹°ÁúÀ̸ç, Ç×±Õ, ¹æÃæ, ¼ÒÃë µî ´Ù¾çÇÑ ±â´ÉÀ» °¡Áö°í Àִ õ¿¬ ¹°ÁúÀÌ´Ù. Æí¹é³ª¹«(Chamaecyparis obtusa Sieb. et Zucc.; Japanese cypress)¿¡¼­ ÃßÃâÇÑ ÇÇÅæÄ¡µå Á¤À¯°¡ ±¸°­ ³» »óÁÖ±ÕÁÖÀ̸鼭 ±¸°­ ĵµð´ÙÁõÀ» ÀÏÀ¸Å°´Â Candida albicans¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ ¾Ë¾Æº¸±â À§ÇØ Æí¹é ÇÇÅæÄ¡µå¿Í ÇÔ²² C. albicans ¸¦ ¹è¾çÇÑ ÈÄ, ¼ºÀåÁ¤µµ, »ýÁ¸·Â ¹× ÇüÅÂÀû º¯È­¸¦ °üÂûÇÑ °á°ú, ÇÇÅæÄ¡µå´Â C. albicans¿¡ °­ÇÑ Ç×Áø±Õ·ÂÀ» º¸¿´°í, C. albicans¿¡ ´ëÇÑ ÇÇÅæÄ¡µåÀÇ ÃÖ¼Ò¾ïÁ¦³óµµ(MIC)´Â 0.25%, ÃÖ¼Ò»ì±Õ³óµµ(MFC)´Â 0.5%¿´À¸¸ç, ¼ºÀå °î¼± »ó¿¡¼­, MIC¿¡ ±ÙÁ¢ÇÑ ³óµµÀÇ ÇÇÅæÄ¡µå´Â C. albicansÀÇ ¼ºÀåÀ» ¾ïÁ¦ÇÏ¿´´Ù. ÇÇÅæÄ¡µå¸¦ ÷°¡ÇÏ¿© ¹è¾çÇÑ C. albicans´Â Åõ°úÀüÀÚÇö¹Ì°æ »ó¿¡¼­, MIC ³óµµ¿¡¼­ ´ë´Ù¼öÀÇ ¼¼Æ÷°¡ ¼¼Æ÷Áú ³» ÀüÀڹеµ°¡ ³ôÀº °ú¸³¹°Áú°ú °øÆ÷¸¦ º¸ÀÌ´Â ºñÀüÇüÀûÀÎ ÇüŸ¦ º¸¿´´Ù.
ÀÌ»óÀÇ °á°ú·Î, ÇÇÅæÄ¡µå´Â C. albicans¿¡ ´ëÇØ »ì±ÕÀÛ¿ë¿¡ ÀÇÇÑ Ç×Áø±ÕÈ¿°ú¸¦ °®°í ÀÖ´Â °ÍÀ¸·Î ÆǴܵȴÙ. µû¶ó¼­, ÇÇÅæÄ¡µåÀÇ Ç×Áø±Õ·ÂÀº ±¸°­ ³» »óÁÖ±ÕÁÖÀ̸鼭 Ưº°ÇÑ °æ¿ì¿¡ ±¸°­ ĵµð´ÙÁõÀ» ÀÏÀ¸Å°´Â C. albicans¿¡ À¯È¿ÇÏ°Ô ÀÛ¿ëÇϸç, À̸¦ ÀÌ¿ëÇÑ ±¸°­ À§»ý¿ëÇ°ÀÇ Àû¿ëÀ¸·Î ±¸°­ ĵµð´ÙÁõÀÇ ¿¹¹æ°ú Ä¡·á ¹× ¿¹ÈÄ°ü¸®¿¡µµ ¸Å¿ì À¯¿ëÇÏ°Ô »ç¿ëµÇ¸®¶ó°í »ý°¢µÈ´Ù.

Phytoncide, essential oil of trees, has microbicidal, insecticidal, acaricidal, and deodorizing effect. The present study was performed to examine the effect of phytoncide on Candida albicans, which is a commensal colonizer of the mucous membranes but has become an opportunistic pathogen. C. albicans was incubated with or without phytoncide extracted from Hinoki (Chamaecyparis obtusa Sieb. et Zucc.; Japanese cypress) and then changes were observed in its optical density, cell viability and morphology. As concentrations of phytoncide added to the culture medium increased, optical density and cell viability of C. albicans decreased. Minimum inhibitory concentration of phytoncide for C. albicans was observed to be 0.25%, and minimum fungicidal concentration was 0.5%. Numbers of morphologically atypical cells with electron-dense cytoplasm and granules and increased with increasing concentration of the phytoncide. At higher concentrations of phytoncide, compartments and organelles in the cytoplasm became indistinguishable. The overall results indicate that the phytoncide used for this study has a strong antimicrobial activity against C. albicans. Therefore, the phytoncide may be used as a candidate for prevention and therapeutic agent against oral candidiasis.

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Æí¹é ÇÇÅæÄ¡µå;±¸°­ ĵµð´ÙÁõ;ÃÖ¼Ò¾ïÁ¦³óµµ;ÃÖ¼Ò»ì±Õ³óµµ
Phytoncide;Candida albicans;Minimum Inhibitory Concentration;Minimum Fungicidal Concentration

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