Antioxidative and Antimicrobial Activities of Medicinal Plant Extracts for Screening Phytobiotic Material

Phytobiotic소재 선발을 위한 약용식물 추출물의 항산화 및 항균 활성

  • 정희경 (대구신기술사업단 바이오산업지원센터) ;
  • 김영진 (대구가톨릭대학교 의공학과) ;
  • 박병권 (전진바이오팜(주)) ;
  • 박승춘 (경북대학교 수의과대학) ;
  • 정유석 (한국생명공학연구원) ;
  • 홍주헌 (대구신기술사업단 바이오산업지원센터)
  • Published : 2007.10.30


For this study, plant material for development of phytobiotics (feed additives made with plant extract) was screened. Among hot-water extracts of 9 medicinal plants, Fallopia japonin showed the highest antioxidative activity; the electron donating ability (EDA) and nitrite scavenging ability were 86.9% and 92.7%, respectively. Also, F. japonica had the antimicrobial activity for Pseudomonas aeruginora, Escherichia coli, Bacillus cereus, Salmonella Typhimurium, Listeria monocytogenes, Klebsiella pneumoniae, Staphyzococcus aureus. Specially, antimicrobial activity of F. japonica against K. pneumoniae, and S. aureus was vet strong. $IC_{50}$ of F. japonica against K. pneumoniae, and S. aureus was 6.24 mg/mL and 1.8 mg/mL respectively. These results suggested that F. japonica was a candidate for a phytobiotic material.


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