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- 저자 : 노수진 ( Chung No Joo (검색결과 1 건)
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인삼 사포닌의 생화학적 연구 ( Ⅵ ) Glutamate Dehydrogenase 및 Glutamate Transaminase 에 미치는 영향
주충노,오종환,노수진 ( Chung No Joo,Jong Whan Oh,Soo Jin No ) 생화학분자생물학회 1976 BMB Reports Vol.9 No.1
It was attempted in this experiment to observe the effect of ginseng saponins, one of the major components of Panax aoiuseng C.A. Meyer roots, on purified bovine hepatic glutamate dehydrogenase (GIDH) in vitro. It was found previously that the chicken`s hepatic mitochondrial glutamate dehydrogenase was activated significantly in the presense of saponins and that the maximum activity of GLDH was observed when the concentration of the saponins in the assay mixture was 0.1%. In this experiment the activity of purified bovine hepatic glutamate dehydrogenase in the presence o the saponins was measured and compared with that of control. It was realized that the activity of GLDH was the highest when the concentrarion of the saponins in the assay mixture was 10^(-5)∼10^(-6)%, the activity being about 1.5 times that of control. In the presence of the excess saponins above 10^(-4)% in the assay mixture the GLDH was inhibited gradually. It was also found that the ginseng saponins did not affect ADP activation of GLDH or GTP inhibition of GLDH signifying that the saponins did not interfere with GLDH regulation of the metabolism involved. Furthermore, the ginseng saponins were realized to activate both the glultamatepyruvate transaminase and glutamate-oxaloacetate transaminase but the degree of activation was not significant when compared with that of GLDH.
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