Journal of Convergence for Information Technology (융합정보논문지)

Convergence Society for SMB (중소기업융합학회)
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Antibacterial activity of grapefruit seed extract and seven kinds of essential and blended essential oils

Grapefruit seed extract와 7종의 Essential oil 및 혼합 Essential oil의 항균 활성

  • Yuk, Young Sam (Department of Clinical Medical Science, Dankook University Graduate School of Health and Welfare)
  • 육영삼 (단국대학교 보건복지대학원 임상의과학과)
  • Received : 2021.04.15
  • Accepted : 2021.06.20
  • Published : 2021.06.28
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Abstract

Objectives: Antibiotics help treat Vaginitis, and prolonged usage of antibiotics can lead to resistance. Methods: This study investigates the antimicrobial activity of two types of lactic acid bacteria using essential oils. After cultivation by adding grapefruit seed extract (GSE), eucalyptus, tea tree, clove bud, cinnamon, lemongrass, thyme, and ginger oils in a specific ratio, pathogenic microorganisms, namely E. coli, C. albicans, and lactic acid bacteria were released. The number of bacteria was measured using a medium suitable for the strains. Results: The essential oils and GSE inhibited pathogenic microorganisms, and the inhibitory concentration of GSE against pathogenic bacteria (E. coli, C. albicans) was confirmed. The non-inhibitory mixing ratio was also confirmed (50 μl of eucalyptus globulus (EG) oil and 50 μl of melaleuca alternifolia oil (tea tree oil, TTO) at 200 ppm GSE (pH 5.0, 5.5, 6.0)). Conclusion: Essential oils can be considered as an alternative to antibiotics because of their antibacterial properties. They are useful as auxiliary antibacterial agents for patients under long-term antibiotic treatment.

본 배경 : 질염은 항생제를 복용하는 방식으로 치료를 하고 있으며, 이러한 항생제의 지속적인 치료는 내성을 유발할 수 있다. 연구 방법 : Lactic acid bacteria 2종에 에센셜 오일을 이용한 항균 활성을 보고자 한다. SE(Grapefruit Seed Extract), eucalyptus, tea tree, clove bud oil, cinnamon oil, lemongrass oil, thyme oil, ginger oil을 일정 비율로 넣어 배양 후, 병원성 미생물- E. coli, C. albicans와 Lactic acid bacteria은 균주에 맞는 배지를 사용하여 균 수를 측정하였다. 결과 : Essential oil 7종과 GSE가 병원성 미생물에 억제 효과가 있으며, 병원성균(E. coli, C. albicans)에 대한 Grapefruit seed extract(GSE)의 억제농도를 확인하였다, 병원성균은 억제하고 Lactic acid bacteria는 억제하지 않는 배합비도 확인하였다(GSE 농도가 200ppm에서 Eucalyptus globulus(EG) oil 50㎕와 Melaleuca alternifolia oil(Tea tree oil, TTO) 50㎕(pH 5.0, 5.5, 6.0)). 결론 : 본 실험에서 Essential oil은 다양한 항균 활성 가지고 있어 항생제 대안으로도 생각할 수 있으며, 장기 항생제 치료환자에 대한 보조 항균제로서도 유용할 것으로 생각된다.

Keywords

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