Inhibitory Effect of the Essential Oil from Chamaecyparis obtusa on the Growth of Food-Borne Pathogens

Mi-Jin Park; Won-Sil Choi; Ha-Young Kang; Ki-Seob Gwak; Geun-Shik Lee; Eui-Bae Jeung; In-Gyu Choi

doi:10.1007/s12275-010-9327-2

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Research Support, Non-U.S. Gov't
Inhibitory Effect of the Essential Oil from Chamaecyparis obtusa on the Growth of Food-Borne Pathogens: Mi-Jin Park ¹, Won-Sil Choi ¹, Ha-Young Kang ¹, Ki-Seob Gwak ², Geun-Shik Lee ³, Eui-Bae Jeung ³, In-Gyu Choi ^2,4; Journal of Microbiology 2010;48(4):496-501
DOI: https://doi.org/10.1007/s12275-010-9327-2
Published online: August 20, 2010

¹Division of Green Business Management, Department of Forest Resources Utilization, Korea Forest Research Institute, Seoul 130-712, Republic of Korea, ²Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea, ³College of Veterinary Medicine, Chungbuk National University, Chungbuk 361-763, Republic of Korea, ⁴Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea¹Division of Green Business Management, Department of Forest Resources Utilization, Korea Forest Research Institute, Seoul 130-712, Republic of Korea, ²Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea, ³College of Veterinary Medicine, Chungbuk National University, Chungbuk 361-763, Republic of Korea, ⁴Research Institute for Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea

Corresponding author: In-Gyu Choi , Tel: +82-2-880-4785,

Received: 21 October 2009 • Accepted: 19 March 2010

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Abstract

In this study, the antibacterial activity of essential oil from Chamaecyparis obtusa (Sieb. et Zucc) leaves and twigs was investigated. The test strains were Klebsiella pneumoniae, Listeria monocytogenes, Salmonella typhimurium, Staphylococcus aureus, Escherichia coli, Legionella pneumophila, and Methicilline-resistant Staphylococcus aureus. Antibacterial activity was estimated by measuring bacterial growth inhibition. Histopathological examination was also performed. C. obtusa oil distinctly inhibited the growth of all test strains and exhibited the strongest antibacterial activity against L. monocytogenes. It was chromatographically divided into several fractions. The fractions were further tested against antibacterial activity and their chemical compositions were analyzed. The fraction containing terpinen-4-ol (TA) showed high antibacterial activity toward all strains tested. Tests with authentic samples showed that TA played a major role in the antibacterial activity of C. obtusa oil, and in a mice test, the oil actively minimized inflammation by S. aureus.

Keywords: C. obtusa; essential oil; antibacterial activity; terpinen-4-ol

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Inhibitory Effect of the Essential Oil from Chamaecyparis obtusa on the Growth of Food-Borne Pathogens

J. Microbiol. 2010;48(4):496-501. Published online August 20, 2010

DOI: https://doi.org/10.1007/s12275-010-9327-2

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