Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Inhibitory Effects of Methanol Extracts from Korean Medicinal Plants against HIV-1 Protease Activity

  • Park, Jong-Cheol (Department of Oriental Medicine Resources and Research Institute of Korean Oriental Medicine, Sunchon Natl. Univ.) ;
  • Miyashiro, Hirotsugu (Institute of Natural Medicine, Toyama Medical and Pharmaceutical Univ.) ;
  • Hattori, Masao (Institute of Natural Medicine, Toyama Medical and Pharmaceutical Univ.)
  • Published : 2003.11.30
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Abstract

Korean medicinal plants were screened for their inhibitory activity against HIV-1 protease. The inhibitory activity of protease was determined by incubating the extracts in reaction mixtures containing protease and substrate $His-Lys-Ala-Arg-Val-Leu-(p-NO_{2}-Phe)-Glu-Ala-Nle-Ser-NH_{2}$ to perform proteolytic cleavage reactions. In this study the twenty six extracts from medicinal plants were investigated. Of the extracts tested, the extracts from the stem of Morus alba. exhibited the strongest activity with inhibition of 81% at a concentration of $100{\mu}g/ml$. The extracts of the flower of Saxjfraga stolonifera, and stems of Euonymus japonica and Castanea crenata showed appreciable inhibitory activity (>50%) against HIV-1 protease at same concentration.

Keywords

References

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