Screening of Thrombin Inhibitor from Medicinal and Wild Plants (II)

약용 및 야생식물로부터 트롬빈 저해물질의 탐색 (II)

  • Ryu, Hee-Young (Department of Food and Nutrition, Andong National University) ;
  • Kwon, Yun-Sook (Department of Food and Nutrition, Andong National University) ;
  • Kum, Eun-Joo (Department of Food and Nutrition, Andong National University) ;
  • Kwon, Chong-Suk (Department of Food and Nutrition, Andong National University) ;
  • Kwon, Gi-Seok (The School of Bioresource Sciences, Andong National University) ;
  • Kim, Kun-Woo (The School of Bioresource Sciences, Andong National Universuty) ;
  • Son, Kun-Ho (Department of Food and Nutrition, Andong National University) ;
  • Sohn, Ho-Yong (Department of Food and Nutrition, Andong National University)
  • 류희영 (안동대학교 식품영양학과) ;
  • 권윤숙 (안동대학교 식품영양학과) ;
  • 금은주 (안동대학교 식품영양학과) ;
  • 권정숙 (안동대학교 식품영양학과) ;
  • 권기석 (안동대학교 생명자원과학부) ;
  • 김건우 (안동대학교 생명자원과학부) ;
  • 손건호 (안동대학교 식품영양학과) ;
  • 손호용 (안동대학교 식품영양학과)
  • Published : 2005.12.30

Abstract

To develop safe and new anticoagulation agents from natural resources, the inhibitory activities of 291 methanol extracts, which were prepared from different parts of 197 medicinal and wild plants, against human thrombin were evaluated. Based in anti-coagulation activity determined by thrombin time and activated partial thromboplastin time, the extract of leaf of Myrica rubra was finally selected. The extract of M. rubra showed a strong thrombin inhibitory activity (above 1,819%) at 0.5 mg/ml as a final concentration, whereas aspirin showed 337% inhibition at concentration of 1.5 mg/ml. The activity of the extract remained more than 85% and 60% by heat treatment at $100^{\circ}C$ for 30min, and acid treatment at pH 2 for 60 min, respectively. Our results suggested that the extract of Myrica rubra could be the potential source as thrombin inhibitor.

Keywords

References

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