Exploring synergistic effect among essential oils in antibacterial action

항균작용에 대한 에센셜 오일들 간의 상승작용 탐색

  • Kim, Ka-Eun (Dept. of Alternative medicine, College of Medical Sciences, Jeonju University) ;
  • Park, Soon Kwon (Dept. of Alternative medicine, College of Medical Sciences, Jeonju University) ;
  • Cho, Il-Young (Dept. of Alternative medicine, College of Medical Sciences, Jeonju University)
  • 김가은 (전주대학교 대체의학과) ;
  • 박순권 (전주대학교 대체의학과) ;
  • 조일영 (전주대학교 대체의학과)
  • Received : 2016.07.01
  • Accepted : 2016.08.20
  • Published : 2016.08.28


This study was conducted to look at the antimicrobial synergistic effect of blended oil into the target skin flora. The essential oils used in antimicrobial test were 100% eucalyptus (EU), lemon (LE), lavender (LA) and four blended oils, EU+LE, LE+LA, EU+LA, and, EU+LE+LA in ratio of 1:1 and 1:1:1 respectively. As a result, LE showed the highest, LA showed the lowest antimicrobial activity among single oil group. In blended oil group, antimicrobial activity of the EU + LA showed significantly increasing effect than the sum of the antimicrobial activity of the single oil. However, the antimicrobial effects of the blend of three oils did not show any synergistic effect. This result showed that the interaction between the chemical components constituting the oil than the number of blended oil seems more significant on the synergistic effect. Therefore, blending essential oil based on scientific evidence becomes more necessary in the future.


Aromatherapy;Essential oils;Blending oils;Synergistic effect;Antibacterial effect


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