Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effect of Bulnesia sarmienti Water Extract on Lipid Metabolism in Type-1 Diabetic Rats.

제1형 당뇨모델 흰쥐에서 Bulnesia sarmienti 열수추출물이 지질대사에 미치는 영향

  • 박창호 ((재)대구테크노파크 바이오산업지원센터) ;
  • 김정옥 (대구경북한방산업진흥원) ;
  • 이기동 (대구경북한방산업진흥원) ;
  • 김길수 (경북대학교 수의과대학) ;
  • 홍주헌 ((재)대구테크노파크 바이오산업지원센터)
  • Published : 2008.06.30
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Abstract

The effects of Bulnesia sarmienti water extract on lipid metabolism were investigated in type-1 diabetes rats. The rats were fed a basal diet and B. sarmienti water extract for 8 weeks. The rats were randomly assigned to each treatment group: normal, control, three kinds of treatment group (BWO: 0.45 mg/ml, BW1: 0.9 mg/ml, BW2: 1.8 mg/ml). After 8 weeks of experimental diets consumption, the body weights and food efficiency ratio of B. sarmienti water extract fed groups were not change with those in the control group. The concentration in plasma total-cholesterol, LDL-cholesterol, triglyceride were significantly decrease in the B. sarmienti water extract groups compared with those in the control group. Although it was not possible to observe blood glucose control effects of eight weeks of B. sarmienti water extract feeds in type-1 diabetes model, it was discovered that the feeds are highly effective in lowering the levels of blood lipid substances triglycerides, total-cholesterol, and LDL-cholesterol.

STZ 투여로 제1형 당뇨를 유발시킨 다음 B. sarmienti 열수 추출물을 8주간 급여 후 혈당 및 혈중지질 변화를 알아보았다. 시험기간 동안 당뇨 대조군 및 당뇨 실험군의 체중 증가는 정상군과 비교하여 유의적으로 낮게 나타났으며, B. sarmienti 열수 추출물 급여가 당뇨 실험군에서의 체중감소 개선 효과에는 영향을 미치지 않는 것으로 조사되었다. 또한 수분 섭취량, 사료 섭취량, 혈당 모두 정상군과 비교하여 당뇨 대조군 및 당뇨 실험군에서 8주 동안 유의적으로 높게 지속되었다. 혈중 total cholesterol, HDL-cholesterol, LDL-cholesterol 함량 번화를 측정한 결과 정상군과 비교할 때 당뇨 대조군에서는 상대적으로 증가하였으나, B. sarmienti 열수 추출물 급여로 유의적인 감소현상과 함께 정상군과 비슷한 수준을 유지 하였다. 특히, B. sarmienti 열수 추출물 급여에 따른 혈중 total cholesterol 변화는 BWO 30.0%, BW1 21.1%, BW2 27.7%로 평균 26.2%의 감소 효과를 나타내었다. 또한 혈중 중성지방 변화는 BW0 40.2%, BW1 53.7%, BW2 50.9%로 평균 48.3%의 감소현상을 나타내었다. 따라서 B. sarmienti 열수 추출물의 농도 의존적인 변화는 관찰할 수 없었으나, 혈중 지질 개선 효과가 있는 것으로 조사되었다. 본 연구에는 제1형 당뇨모델에서 8주 동안 B. sarmienti 열수 추출물을 투여하면서 혈당 조절 효과는 관찰할 수 없었으나, 혈중 지질 성분인 triglycerides, total cholesterol 및 LDL-cholesterol의 수준을 떨어뜨리는 효과가 있는 것으로 조사되었다. 결론적으로 B. sarmienti 열수 추출물 투여가 고혈당을 중심으로 한 지질대사 이상과 함께 많은 합병증 유발이 문제시 되고 있는 당뇨병의 체내 지질대사 개선에는 상당한 효과가 있을 것으로 사료된다.

Keywords

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