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http://dx.doi.org/10.7732/kjpr.2015.28.1.009

Synergistic Effects of Cinnamomum camphora Leaves Extract against Clinical Isolated Methicillin-resistant Staphylococcus aureus  

Cha, Jeong-Dan (Institute of JinAn Red Ginseng)
Choi, Mi-Rae (Institute of JinAn Red Ginseng)
Ko, Eun-Sil (Institute of JinAn Red Ginseng)
Hwang, Seung-Mi (Institute of JinAn Red Ginseng)
Kang, Jea-Ran (Institute of JinAn Red Ginseng)
Oh, Joa-Sub (Gyeonggi Institute of Science&Technology Promotion, Natural Products Research Institute)
Park, Young-Jin (Gyeonggi Institute of Science&Technology Promotion, Natural Products Research Institute)
Jung, Young-Hwan (Jeju Biodiverstiy Research Institute, Jeju Technopark)
Jeon, Ah-Lim (Jeju Biodiverstiy Research Institute, Jeju Technopark)
Choi, Kyung-Min (Institute of JinAn Red Ginseng)
Publication Information
Korean Journal of Plant Resources / v.28, no.1, 2015 , pp. 9-15 More about this Journal
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) has been emerging worldwide as one of the most important hospital and community pathogens. At the same time, because of the difficulty in developing chemical synthetic drugs and because of their side-effects, scientists are making more efforts to search for new drugs from plant resources to combat clinical multidrug-resistant microbial infections. Cinnamomum camphora (C. camphora) is a plant of family Lauraceae, and grown Jeju island in South Korea that are used as a drug to treat neurasthenia, epilepsy, cystitis, pyelonephritis, digitalis, cancer, and diabetes mellitus in folk remedies. In this study, antibacterial activites of 80% ethanol extract of C. camphora leaves (CCE) were investigated in combination with antibiotics against clinical isolates of MRSA. The results showed that CCE was determined with MIC and MBC values ranging from 156 to 313 and 313 to $625{\mu}g/ml$, oxacillin from 128 to 256 and 128 to $512{\mu}g/ml$, ampicillin from 4 to 64 and 8 to $128{\mu}g/ml$. The combination of CCE with oxacillin or/and ampicillin were synergistic effect against MRSA 1, 6, 7, 8, 10, 11, 12, 13, and 15/ MRSA 1, 2, 6, and 7.
Keywords
Cinnamomum camphora; Methicillin-resistant Staphylococcus aureus; Synergistic effects;
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