Antimicrobial and Antioxidant Activity of Hot Water and Ethanol Extracts of Ricinus communis L. Leaves and Fruits

피마자(Ricinus communis L.) 잎과 열매의 열수(熱水) 및 에탄올 추출물의 항균 활성과 항산화 효능

  • 박장순 (송원대학교 뷰티예술학과)
  • Received : 2018.01.02
  • Accepted : 2018.06.20
  • Published : 2018.06.28


RFW and RFE of castor fruit selected as part of the development of natural antimicrobials and antioxidants yielded 15.8% and 18.4% respectively. In the results of measuring the antimicrobial activity through paper disc method, the antimicrobial activity of castor fruits in ethanol extracts appeared. Especially, the activity was excellent in P. aeruginosa and S. aureus, and antimicrobial activity of C. was 1.5mm up to 16 hours. However, the proliferation of C. was observed again after 24 hours. In the MIC experiment results of RFE, S. aureus and P. aeruginosa showed 96% and 93% of antimicrobial activity, respectively. The DPPH radical scavenging activity of RLW and castor leaf ethanol extract showed $1.8{\pm}0.6%$ and $2.1{\pm}0.7%$ free radical scavenging activity at $1000({\mu}g/m{\ell})$. This study is expected to provide basic data for the development of antimicrobial agents and antioxidants using natural products.


Ricinus communis L.;antimicrobial;Antioxidant;Ricin;Toxic


Supported by : Songwon University


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