Effects of the Fractions of Oryza sativa cv. Heugjinmi on Plasma Glucose and Lipid Levels in Streptozotocin-Induced Diabetic Rats

흑진미 과피 용매분획물 투여시 당뇨 유발 흰쥐의 혈당 및 혈중 지질함량에 미치는 영향

  • Chung, Ha-Sook (Department of Foods and Nutrition, Duksung Women's University) ;
  • Han, Hye-Kyoung (Department of Foods and Nutrition, Duksung Women's University)
  • 정하숙 (덕성여자대학교 자연과학대학 식품영양학과) ;
  • 한혜경 (덕성여자대학교 자연과학대학 식품영양학과)
  • Published : 2002.02.01

Abstract

We have investigated the effects of the solvent fractions from the aleurone layer of Oryza sativa cv. Heugjinmi on plasma glucose and lipid levels in streptozotocin-induced diabetic rats. Sprague-Dawley rats were divided into 6 groups, normal, diabetic control, and four experimental groups. Diabetes mellitus was induced by injection of streptozotocin(45 mg/kg body weight) into tail vein, and fraction of Oryza sativa cv. Heugjinmi was administered orally in experimental rats for 14 days. The body weight, glucose, cholesterol, HDL-cholesterol, triglyceride, free fatty acid level, and aminotransferase activities were analyzed. It was identified that acetone and anthocyanin fractions significantly reduced the levels of glucose, triglyceride, and free fatty acid in plasma of diabetic rats. And HDL-cholesterol levels of acetone and anthocyanin groups were higher than those of diabetic control group. From these data, it can be postulated that acetone and anthocyanin fractions might possess rather potent hypoglycemic and hypotriglyceridemic properties in streptozotocin-induced diabetic rats.

본 연구는 streptozotocin으로 유발된 당뇨 흰쥐에게 흑진미 과피에서 추출한 각 용매 분획물을 14일간 경구투여한 후 혈당과 지질함량을 분석하였으며 다음과 같은 결론을 얻었다. 당뇨 대조군과 비교시 모든 용매 분획물 투여군에서 실험동물의 체중이 증가되었으나 유의적인 차이를 보이지는 않았다. 또한 acetone과 anthocyanin 분획물 투여시 실험 14일째에 혈당, 중성지방 및 유리지방산이 당뇨 대조군과 비교시 유의적으로 감소되었으며, 혈장 HDL-cholesterol 함량은 유의적으로 증가하였다. 이같은 결과는 흑진미 과피에 존재하는 특정 생리활성 물질이 실험 당뇨쥐의 혈당 및 혈중 지질함량 감소에 효과가 있음을 보여주고 있다.

Keywords

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