Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Effects of Black Ginseng (9 Times-Steaming Ginseng) on Hypoglycemic Action and Changes in the Composition of Ginsenosides on the Steaming Process

흑삼(구증구포인삼)이 혈당 강하에 미치는 영향 및 증포별 ginsenoside 조성 변화

  • 김성년 (식품의약품안전청 식품안전국 식품관리과) ;
  • 강신정 (중부대학교 한약자원학과)
  • Published : 2009.02.28
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Abstract

This study examined the effects of black ginseng (9 times-steamed ginseng) on hypoglycemic action in streptozotocininduced diabetic rats as well as changes in ginsenoside composition by the steaming process. As the number of steaming cycles increased, the amounts of crude saponin and most ginsenoside contents decreased, while the amount of ginsenoside- Rg3 and the ratio of PD/PT (=[$Rb_1+Rb_2+Rc+Rd+Rg_3]/[Re+Rb_1+Rh_1]$) increased. This ginsenoside composition is a unique characteristic compared to other types of ginseng products. In order to investigate the hypoglycemic effect of the black ginseng extract, in vivo studies were performed in rats with streptozotocin-induced diabetes. The studies showed that the administration of the black ginseng extract decreased high blood glucose levels (more than 300 mg/dL) to a normal level (102 mg/dL). These results suggest that this black ginseng extract has a significant hypoglycemic effect and can be used as an anti-diabetic substance for dietary supplements or new drugs.

Streptozotocin-유도 당뇨병 모델을 이용하여 흑삼의 혈당강하작용에 대한 효과를 연구하고 증포과정에 따른 ginsenoside의 조성 변화를 분석하였다. 증포별 ginsenoside의 정량분석 결과, 증포 횟수가 증가할수록 조사포닌의 총량과 대부분의 ginsenoside는 줄어든 반면 ginsenoside-$Rg_3$ 함량 및 PD/PT 비율은 증가하는 경향을 보였는데, 이러한 조성은 다른 인삼제품과는 차별성 있는 특징이다. 또한, streptozotocin-당뇨병 유발쥐를 이용한 모델실험에서 흑삼추출물의 투여는 고혈당 준위(300 mg/dL이상)를 정상 수준(102 mg/dL)으로 감소시켰으며, 혈당 수준의 감소는 glycolysis나 HMT shunt 및 지방산 합성에 관여하는 glucokinase, glucose-6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, acetyl CoA carboxylase 등의 효소의 활성증대에 기인하는 것으로 판단되었다. 이러한 결과는 흑삼추출물의 유의적인 혈당강하 효과를 입증하며 이에 따라 신약이나 식이보조제의 항당뇨물질로서의 이용가능성을 시사한다.

Keywords

References

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