Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Effect of Red Ginseng Water Extract on Trypsin Activity

홍삼 물추출물이 Trypsin 활성에 미치는 영향

  • Lee, Jong-Won (Ginseng Research Group, KT&G Central Research Institute) ;
  • Kim, Na-Mi (Ginseng Research Group, KT&G Central Research Institute) ;
  • Do, Jae-Ho (Ginseng Research Group, KT&G Central Research Institute)
  • 이종원 (KT&G 중앙연구원 인삼연구소) ;
  • 김나미 (KT&G 중앙연구원 인삼연구소) ;
  • 도재호 (KT&G 중앙연구원 인삼연구소)
  • Published : 2004.09.01
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Abstract

This study was carried out to investigate the effect of red ginseng water extract (RGWE) on trypsin activity. After extraction of fat soluble and saponin component from red ginseng powder by methyl alcohol, the residue was extracted with distilled water, and manufactured to water extract. The extract was dialyzed with different molecular cut off membrane. Trypsin activity demonstrated the highest level at the RGWE concentration of 9${\times}$10$\^$-2/% in reaction mixture, and also increased to 15% at 2.9${\times}$10$\^$-3/%. Km value was decreased and Vmax was increased in the present of red ginseng water extract. Red ginseng water extract was partially purified by dialysis, Bio-Gel P-I0 and DEAE-cellulose column chromatography. The active fraction demonstrated positive reaction to ninhydrin, DNS and folin reaction.

홍삼 물 추출물이 효소활성에 미치는 영향을 조사하기 위하여 먼저 홍삼분말에 methyl alcohol을 가하여 지용성 성분과 사포닌 성분을 추출하여 제거하였다. 그 잔사에 정제수를 가하여 추출한 뒤 추출물을 제조하였고, 투석막을 이용하여 분자량 크기별로 분획한 뒤 trypsin의 활성에 미치는 영향을 조사하였다. 몇 가지 분획 중에서 분자량 1,000∼12,000 사이의 분획이 trypsin 활성을 가장 강하게 증가시켰다. 분자량 1,000∼12,000 사이의 분획을 여러 가지 농도별로 첨가하여 trypsin 활성에 미치는 영향을 조사한 결과 2.9${\times}$$10^{-3}$%에서 15% 정도 촉진되었으며, 농도가 높아질수록 trypsin 활성도 증가하여 9${\times}$$10^{-2}$%에서 최고의 활성을 보이다가 그 이상의 농도에서는 감소하였다. Trypsin의 casein 분해에 있어서 물 추출물은 Km 값을 낮게하고 Vmax 값은 증가기켰다. 물 추출물을 부분 정제하여 몇 가지 특성을 조사한 겨로가 ninhydrin, DNS 및 Folin시약에 양성반응을 나타내는 것으로 보아 함질소 화합물이라고 판단된다.

Keywords

References

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