한국식품영양과학회지 (Journal of the Korean Society of Food Science and Nutrition)

  • 제25권6호
  • /
  • Pages.986-992
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  • 1996
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  • 1226-3311(pISSN)
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  • 2288-5978(eISSN)
한국식품영양과학회 (The Korean Society of Food Science and Nutrition)
권호 표지

도라지 추출액이 Alloxan 유발 당뇨성 흰쥐의 혈당 및 지질성분에 미치는 영향

Effects of Platycodon grandiflorum Extract on Blood Glucose and Lipid Composition in Alloxan Induced Hyperglycemic Rats

  • 발행 : 1996.12.01
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초록

Alloxan(alloxan monohydrate 15mg/kg B.W./day, I.P. injection)으로 유발된 당뇨성 Sprague-Dawley계 숫흰쥐에 있어서 6년근 및 22년근 도라지 추출액의 급여가 혈당 및 혈청, 간장의 지질개선 효과를 규명하기 위해 3주간 실험 사육한 결과, 혈당 농도는 대조군(1군, 기본식이)에 비해 alloxan 투여군(2군, 3군, 4군)에서 유의적으로 높았으나, 2군(기본식이 ＋alloxan)에 비해서 3군(기본식이＋alloxan＋6년근 도라지 추출액), 4군(기본식이 ＋alloxan＋22년근 도라지 추출액)이 낮았으며, 특히 4군이 낮았다. 혈청 총 콜레스테롤 및 LDL-콜레스테롤 농도는 1군이 가장 낮았고, 2군에 비해 3군, 4군이 낮았으나, 4군에서 더욱 낮았다. 혈청 HDL-콜레스테롤 농도는 1군이 가장 높았으나 2군에 비해 도라지 추출액 급여군(3군, 4군)에서 높게 나타났으며 4군이 더 높았다. 동맥경화지수는 2군에 비해 3군, 4군이 낮았다. 혈청 유리콜레스테롤, 콜레스테롤 에스테르, 중성지질 및 인지질의 농도는 2군에 비해 전 실험군에서 유의적으로 낮았다. 간장 중 총 콜레스데롤, 중성 지질 및 인지질의 함량은 2군에 비해 전 실험군에서 유의적으로 낮았다. 혈청 AST, ALT및 LDH활성은 2군이 가장 높았으며 다른 실험군들은 비교적 낮았다. 이상의 결과에서 도라지 추출액이 혈당, 혈청 및 간장의 지질개선에 효과가 있는 것으로 나타났으며, 특히 22년근 도라지 추출액이 더욱 높은 것으로 나타났다.

This study was designed to observe the effects of the feeding Platycodon grandiflorum(6 or 22 years) extract on the improvement of the blood glucose, lipids in the serum and liver of alloxaninduced hyperglycemic rats(S.D. strain, ♂), alloxan monohydrate 15mg/kg B.W./day I.P. injection) for 3 weeks. Concentrations of blood glucose were significantly higher in the alloxan administration(I.P.) groups(groups 2, 3 and 4) than those in the control group(group 1, basal diet). Blood glucose concentrations were remarkably lower in the group 3(basa1+alloxan+6years Platycodon grandiflorum) and 4(basa1+alloxan+22years Platycodon grandiflorum) than those in the group 2(basal+alloxan), and particularly, lower in the group 4. Concentrations of total cholesterol and LDL-cholesterol in serum were significantly lower in the groups 3, 4 than those in the group 2, and remarkably, lower in the group 4 than those in the group 3. Concentrations of HDL-cholesterol in serum were tile highest in the group 1. Those in the groups 3 and 4 were higher than those in the group 2. Atherosclerotic index were lower in the group 3, 4 than those in the group 2. In the alloxan-induced diabetic groups(groups 2, 3, 4), the serum free cholesterol, cholesterol ester, triglyceride and phospholipid concentrations were significantly lower in the group 3, 4 than those in the group 2. Contents of total cholesterol, triglyceride and phospholipid in liver were remarkably lower in the all experimental groups than those in the group 2. The activities of aspartate aminotransferase, alanine aminotransferase and lactate dehydrogenase In serum were the highest in the group 2, but the other groups were rather lower. From the above research, the Platycodon grandiflorum(6 or 22 years) extracts were effective on the improvement of the blood glucose, lipid compositions in serum and liver. And particularly, Platycodon grandiflorum(22 years) was more effective than those in the Platycodon grandiflorum(6 years).

키워드

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