Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Cell Viability and Antioxidant Enzyme Activity in the Cell of Ginseng (Panax ginseng C.A. Meyer) Treated with Soil Extracts

인삼재배지의 토양추출물이 종자 발아와 세포의 항산화효소 활성에 미치는 영향

  • Ryu, Tae-Seok (Bonghwa Alpine Medicinal Plant Experiment Station, Gyongbuk Agricultural Technology Administration) ;
  • Kwon, Soon-Tae (Dept. of Biological Resources, Andong Nat'l Univ.)
  • Published : 2008.08.30
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Abstract

One hundred-eighty extracts of soil collected from ginseng (Panax ginseng C.A. Meyer) fields were subjected to lettuce germination test, electrolyte leakage, cell viability and antioxidant enzyme activity test. Regardless of various cultivation periods, there was no significant difference in soil pH, the content of organic matter and available phosphate in ginseng fields. Based on lettuce seed germination test, six soil extracts showing inhibition of germination and/or seedling growth were selected for further study. Selected soil extracts markedly inhibited cell viability of ginseng cultured cells but leakage of electrolytes were not affected by the treatment. Enzyme activity of superoxide dimutase in ginseng cultured cells was not affected by the treatment with the soil extracts. However, those of peroxidase and catalase were significantly inhibited by the treatment with soil extracts which showed inhibition of lettuce seed germination and seedling growth.

인삼재배지 180지점으로부터 토양을 채취하여 토양산도, 유기물함량 및 유효인산함량을 측정한 결과 재배년수별 유의한 차이는 나타나지 않았다. 채취한 토양의 메탄올추출액으로 상추종자 발아실험을 실시한 결과 $5{\sim}6$년 재배지의 토양에서 종자발아나 유묘생장을 강하게 억제하는 토양추출액을 선발하였다. 선발된 토양 추출액중 발아와 유묘생장을 억제하였던 추출액은 인삼배양세포의 활력을 최대 90%까지 억제하였으나 전해물질의 누출은 증가하지 않았다. 토양추출액으로 세가지 종류의 항산화 효소 활성을 측정한 결과 superoxide dismutase는 거의 영향을 받지 않았으나, 상추유묘의 생체중억제형 토양추출액을 처리한 인삼배양세포의 peroxidase의 활성이 현저하게 억제되었고, catalase의 활성은 발아억제형 및 생체중억제형 토양추출액 모두에서 유의한 억제를 보였다.

Keywords

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