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A Study on the Evaluation of Antimicrobial Effect of Orostachys Japonicus A. Berger Ethyl Acetate Fraction

와송 에틸아세테이트 분획물의 항균효능 평가에 관한 연구

  • 임은경 (목원대학교 테크노과학대학 대학원 화학과) ;
  • 양재찬 (목원대학교 테크노과학대학 화장품뷰티학과)
  • Received : 2021.03.31
  • Accepted : 2021.04.29
  • Published : 2021.04.30

Abstract

In this study, a study was conducted to utilize Orostachys japonica A. Berger EtOAc fraction extract as an antibacterial activity and cosmetic ingredient. As a result of measuring the antimicrobial activity of Orostachys japonica A. Berger EtOAc, the growth of S. aureus, S. epidermidis, and P. aeruginosa was inhibited. Among them, S. aureus was an extract of 18.35 ± 1.5 mm Orostachys japonica A. Berger EtOAc fraction at a concentration of 0.5 g / mL, showing superior antibacterial activity than methyl paraben (16.83 ± 1.0 mm), and was shown as a positive control. As a result of evaluating the MIC of the Orostachys japonica A. Berger EtOAc fraction extract through MIC measurement, the remaining strains excluding Candida. A showed a MIC of 17.5 mg/mL. As a result of evaluating the cosmetic preservation effect through the challenge test applied to the cosmetic emulsion formulation, the growth inhibitory effect of S. aureus in the emulsion containing 0.3% Orostachys japonica A. Berger EtOAc fraction extract 7 days after microbial inoculation was 100%.

본 연구에서 와송 에틸아세테이트 분획물을 항균활성 및 화장품 소재로 활용하기 위해 연구를 진행하였다. 와송 에틸아세테이트 분획물의 항균활성을 측정한 결과 Paper disc method에서 S. aureus, S. epidermidis, P. aeruginosa 균의 생육을 저해하였으며, 특히 S. aureus에 대한 생육저해환은 0.5 g/mL농도에서 18.35 ± 1.5 mm로 대조군인 methyl paraben(16.83 ± 1.0 mm)보다 우수한 항균활성을 나타내었다. MIC 측정을 통한 최소저해농도를 평가에서는 Candida. A를 제외한 나머지 S. aureus, S. epidermidis, E. coli P. aeruginosa 균주에서 17.5 mg/mL의 최소저해농도를 보였으며 화장품 에멀션 제형에 적용하여 Challenge test를 통해 방부 효능을 평가한 결과, S. aureus에 대하여 와송 에틸아세테이트 분획물을 0.3% 첨가한 에멀션에서 7일 후 100.0%균의 생장을 사멸시켜 화장품에 적용 시 우수한 방부효능을 나타내었다.

Keywords

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