Applied Biological Chemistry

  • 제51권1호
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  • Pages.49-54
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  • 2008
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  • 2468-0834(pISSN)
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  • 2468-0842(eISSN)
한국응용생명화학회 (The Korean Society for Applied Biological Chemistry)
권호 표지

Portulaca oleracea의 생리활성과 항균활성

Biological And Antimicrobial Activity of Portulaca oleracea

  • 조영제 (경북대학교 식품공학과) ;
  • 주인식 (경북대학교 식품공학과) ;
  • 권오준 (경북전략산업기획단) ;
  • 천성숙 (영남대학교 식품가공학과) ;
  • 안봉전 (대구한의대학교 화장품약리학과) ;
  • 김정환 (엔아이피 바이오텍)
  • Cho, Young-Je (Department of Food Engineering Kyungpook National University) ;
  • Ju, In-Sik (Department of Food Engineering Kyungpook National University) ;
  • Kwon, Oh-Jun (Gyeongbuk Regional Innovation Agency) ;
  • Chun, Sung-Sook (Department of Food Science & Technology Yeungnam University) ;
  • An, Bong-Jeun (Department of Cosmeceutical Science, Daegu Hanny University) ;
  • Kim, Jeung-Hoan (NIP Biotech.)
  • 발행 : 2008.03.31
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초록

쇠비름 추출물로부터 항산화효과, 피부상재균 및 Helicobacter pylori 억제효과, tyrosinase 억제효과를 살펴보았다. 페놀함량을 측정한 결과 물 추출물에서는 3.05 ${\mu}g/ml$, ethanol 추출물에서는 80% ethanol 추출물에서 6.33 ${\mu}g/ml$로 가장 높은 페놀함량을 나타내었다. 항산화효과는 DPPH, ABTS, Antioxidant Protection Factor 모두 페놀함량이 가장 높은 80% ethanol 추출물에서 항산화력이 강한것으로 나타났다. tyrosinase 저해활성 역시 80% ethanol 추출물에서 38.71%로 가장 저해가 높은 것으로 나타났다. 쇠비름 추출물의 tyrosinase 억제효과는 물 추출물에서 20.24%, 80% ethanol 추출물에서 38.71%의 억제효과를 나타냈다. 또한 Helicobacter pylori, Staphylococcus epidermidis, Staphylococcus aureus, Escherichia coli 및 Streptococcus mutans에 대한 항균활성을 평가한 결과 Helicobacter pylori는 200 ${\mu}g/ml$ 농도에서 13mm의 저해환을 보였고, Staphylococcus epidermidis는 40mm의 저해환을, Staphylococcus aureus, Escherichia. coli, Streptococcus. mutans는 각각 15, 17, 20 mm의 저해환을 나타내어 200 ${\mu}g/ml$의 농도 이상에서는 모두 생육억제효과가 나타나는 것을 확인 할 수 있었다.

The concentration of total phenolic compounds of the water extracts and 80% ethanol extracts form Portulaca oleracea were 3.05 ${\mu}g/ml$ and 6.33 ${\mu}g/ml$, respectively. The total antioxidant activities of water extracts and 80% ethanol extracts of Portulaca oleracea were 89.2% and 72.9% in DPPH assay, 69.0% and 96.5% in ABTS assay, antioxidant protection factor of the water and 80% ethanol extracts were each 2.73 PF and 3.63 PF. Tyrosinase inhibitory activities were water extracts and 80% ethanol extracts of Portulaca oleracea were 20.2% and 38.7%. Portulaca oleracea showed high antimicrobial activites against Helicobater pylori, Staphylococcus epidermidis, Staphylococcus aureus, Eschericia coli and Streptococcus mutans. Minimum inhibitory concentrations (MICs) on Helicobacter pylori, Staphylococcus epidermidis, Staphylococcus aureus, Escheichia coli and Streptococcus mutans were 200, 50, 100, 100 and 150 ${\mu}g/ml$, respectively. The result suggest that Portulaca oleracea extracts may be useful as potential source as antioxidant and antimicrobials.

키워드

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