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KMID : 0893320000150010007
Journal of Environmental Toxicology
2000 Volume.15 No. 1 p.7 ~ p.12
Scavenging Effects of Lonicera Japonica Extracts on Paraquat Induced Toxicity(IV)
Choi Byung-Ki

Abstract
Scavenging effects on paraquat induced toxicity were investigated by using methanol (MeOH) and ethylacetate (EtoAC) extracts of Lonicera japonica. The results are summerized as follows: 1. To Fe(III)-ADP-NADPH induced microsomal lipid peroixdation, MeOH and EtoAC extracts showed antioxidative activiies and inhibition ratio at 100 / 44.4% and 73.8% respectively 2. To microsomal NADPH dependent cytochrome p -450 reductase in rat liver, MeOH and EtoAC extracts inhibited the enzyme activiies and inhibition ratio were 26.3% and 44.8% respectively. 3. Administration (30 mg/kg, iv) of paraquat to rats caused the marked elevation of GOT, GPT, LDH, ALP in the serum and lipid peroxides in the microsome as compared to the control group. Serum GTP, LDH, ALP and liver microsomal LPO were reduced significantaly by administration of MeOH extract. (1,000 mg/kg), EtoAC extract (40 mg/kg) and Silymarin (150 mg/kg) as compared to the paraquat group. From the results, MeOH and EtoAc exuacts. of Lonicera japonica showed the useful scavenger and reducer on the paraquat induced hepatotoxicty.
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