- KOREAN
- P-ISSN2287-8327
- E-ISSN2288-1220
- SCOPUS, KCI
ISSN : 2287-8327
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The Composition of Essential Oil from Nepeta cateria and its Effect on Microorganism
Abstract
We analyzed the total yields and composition of essential oils in leaf extracts ofNepeta catariaby Gas Chromatography Mas Spectrometry (GC-MS). Thirty-six compounds representing 97.0% of total oil weredetected. The major constituents of essential oils inNepeta cataria were nepetalactone (90.9%), unidentifiedcompound (Retention time 17.35; 1.82%), 1,8-cineol (1.49%),β-caryophyllene (1.12%), and β-pinene (1.078%).The volatile compounds in leaf extracts ofN. catariaconcentrated to nepetalactone (88.83 93.33%) remarkably.～In the essential oil ofN. cataria cis,trans-nepetalactone (30.2 37.8%) and～ cis,cis-nepetalactone (31.5 37.0%)～were found as the main constituents. The effects of essential oil ofN. catariaon t h e g r o w t h o f s i x m i c r o -organisms (Bacillus cereus, B. subtilis, B. amyloliquefaciens, Escherichia coli, subsp.aureus, and Pseudomonas aeruginosa ) were investigated. The sential oil of N. catariahad strong inhibitoryeffect on the growth of three fungal species (Bacillus cereus,B. subtilis, and B. amyloliquefaciens). The essentialoil fromN. catariawas found to have a low antimicrobial activity againstStaphylococcus aureus subsp. aureus,while no activity were found againstEscherichia coli and Pseudomonas aeruginosa . Results indicate thesignificant antimicrobial effect, which may be depended on the yield of nepetalactone.
- keywords
- Essential oil, GC-MS, Inhibitory effect, Nepeta cataria, Nepetalactone, Retention timeKim, Jong Hee t al. J . E c o l . F i e l d B i o l . 2 9 ( 4 ) 382lene oxide or 1, 8-cineole/linalool as the main constituent in theiressential oils (Baser et al. 2, Essential oil, GC-MS, Inhibitory effect, Nepeta cataria, Nepetalactone, Retention timeKim, Jong Hee t al. J . E c o l . F i e l d B i o l . 2 9 ( 4 ) 382lene oxide or 1, 8-cineole/linalool as the main constituent in theiressential oils (Baser et al. 2
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