In vitro Anti-malarial Activity of Juniperus Chinensis Extract

향나무 추출물의 항말라리아 효과

  • Received : 2012.07.18
  • Accepted : 2012.09.12
  • Published : 2012.09.30

Abstract

This study was carried out to investigate the anti-malarial activity of Juniperus chinensis by in vitro and in vivo system using Plasmodium falciparum chloroquine-sensitive(3D7) and P. falciparum chloroquine-resistant(S20) strains. According to cytotoxicty test on NIH 3T3 cell, the ethanol extract(EtOH), ethylacetate(EtOAc) fraction and aqueous fraction possessed significant anti-malarial activity against both 3D7 and S20 strains at non-toxic concentrations(<100 /). In vitro assay, EtOAc fraction showed notable activity against 3D7 and S20 strains of P. falciparum with $IC_{50}$ values of $37{\pm}2{\mu}g/ml$ and $36{\pm}6{\mu}g/ml$. In animal test using P. falciparum infected human erythrocytes, the treatment of EtOAc fraction significantly inhibited parasitaemia in mice in a dose-dependent manner that is parasitaemia of 42%, 34% and 31% in doses of 10 mg/kg, 20 mg/kg and 40 mg/kg, respectively. The study provides data to support the medicinal importance of the J. chinensis.

Keywords

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