Antimutagenic and Antigenotoxic Effects of Ligularia fischeri Extracts

곰취 추출물의 항돌연변이성 및 유전독성억제효과

  • 함승시 (강원대학교 식품생명공학부) ;
  • 이상영 (강원대학교 식품생명공학부) ;
  • 오덕환 (강원대학교 식품생명공학부) ;
  • 정성원 (강원대학교 식품생명공학부) ;
  • 김상헌 (강원대학교 농기계공학과) ;
  • 정차권 (한림대학교 식품영양학과) ;
  • 강일준 (한림대학교 식품영양학과)
  • Published : 1998.08.01

Abstract

The antimutagenic and antigenotoxic effects of ethanol, methanol, water and non-heating ethanol extract of Ligularia fischeri were investigated using Ames test and micronucleus test. Four solvent extracts by themseleves did not induce mutagenesis. The four extract of 200㎍/plate showed approximately 84.7%, 77.1%, 72.5% and 71% inhibitory effect on the mutagenesis induced by N-methyl-N'-nitro-N-nitrosoguanidine(MNNG) and 67.9%, 66.8%, 64.6% and 56% inhibition on the mutagenesis by 4-nitroquinoline-1-oxide(4NQO) against TA100 strain, whereas 70.2%, 60.9%, 61.9% and 52.8% inhibitions were observed on the mutagenesis induced by 3-amino-1,4-dimethyl-5H-pyrido[4,3-b]indol(Trp-P-1) in the presence of 200㎍/plate. TA100 strain was more sensitive than TA98 strain by four kinds of extracts on antimutagenesis. The effects of Ligularia fischeri extracts on the frequencies of micronucleated poly chromatic erythrocytes(MNPECs) induced by MNNG were investigated in the bone marrow. Ten, 20, 40 and 80mg g/kg of each extract were administered to animals immediately after injection of MNNG and the exposure time was 36 hours. Inhibitory effects of Ligularia fischeri ethanol extracts were 12%, 35.3%, 58.8%, and 57%, in the presence of 20, 40, 60 and 80mg/kg, respectively whereas methanol extracts showed 15.5%, 32.7%, 50.8%, and 57.9% inhibitory effects, respectively. Both extracts showed enhanced antimutagenic and antigenotoxic effects. These results showed a good correlation between antimutagenic effects in in vitro and in in vitro assay.

Keywords

References

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