Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effects of Hambag Mushroom (Grifola frondosa)-Powder on Hyperglycemia and Hyperlipemia in STZ and High Fat Diet-induced Diabetic Rats

STZ 및 고지방식이에 의해 유도된 흰쥐의 고혈당 및 고지혈에 대한 함박잎새버섯분말의 효능

  • 이순이 (아시아대학교 뷰티주얼리디자인학과) ;
  • 박영철 (대구가톨릭대학교 바이오안전성센터) ;
  • 김종봉 (대구가톨릭대학교 자연대학 의생명과학과)
  • Published : 2007.10.30
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Abstract

Hambag mushroom is edible mushroom, and one of new strains in Grifola frondosa. It was developed from Korean wild Grifola frondosa by National Institute Science & Technology. In this study, we investigated the effects of the powder extracted from fruit-body of hambag mushroom on hyperglycemia, hyperlipemia and pancreatic cells in rats with streptozotocin (STZ) and high fat diet-induced diabetes. The diabetic rats were fed with hambag mushroom-powder (1 and 2% of diet weight) for 6 weeks. And then the levels of blood glucose and lipid and the pancreatic tissue were analyzed and compared. The diabetic rats fed with hambag mushroom-powder lost less body weight than those fed with the powder-free normal diet. flood glucose levels in the diabetic rats fed with hambag mushroom-powder at all concentrations was lower by 50% than in the diabetic rats fed with normal diet. The levels of total cholesterol, triglyceride and LDL-cholesterol in the diabetic rats fed with hambag mushroom-powder were increased compared to those in the diabetic rats fed with normal diet. There were the blood levels of cholesterol, triglyceride and LDL-cholesterol by hambag mushroom-powder concentrations in a dose-dependent response. The decreased damage of pancreatic tissue in the group treated with hambag mushroom-powder could be suggested possibly as one of mechanisms for the effects of hambag mushroom-powder on hyperglycemia and hyperlipemia.

함박잎새버섯은 잎새버섯의 한 품종으로 농업과학기술원의 야생균주로부터 개량된 새로운 품종이다. 인공재배에 의하여 대량생산이 이루어지고 있다. Streptozotocin와 고지방식이에 의해 유도된 실험쥐 당뇨에 있어서 고혈당 및 고지질 혈에 대한 함박잎새버섯분말의 효능과 부분적인 기전을 6 주간의 사육기간을 통한 결과는 다음과 같다. 1. 함박잎새버섯분말 투여에 의한 체중증가량은 당뇨를 가진 실험쥐의 2 배로 분말이 당뇨에 의해 유도된 체중감소의 병폐현상을 막아주는 주는 역할을 하는 것으로 추정된다. 2. 함박잎새버섯분말 투여는 혈당을 약 200 mg/dl 정도 감소한 당뇨를 가진 실험쥐 혈당의 약 50% 수준이었다. 3. 당뇨 유발에 의해 증가된 Triglyceride, 총콜레스테롤, LDL-cholesterol의 함량은 함박잎새버섯분말 투여에 의해 용량-의존성 경향을 보이면서 감소되었다. 그러나 당뇨 유발에 의해 감소된 HDL-cholesterol 함량은 함박잎새버섯분말 투여에 의해 증가되었다. 4. 함박잎새버섯분말 투여에 의한 당뇨-유도성 췌장 손상정도가 감소하였으며 이러한 효능이 당뇨 유발 실험쥐에 있어서 고혈당과 고혈지질을 조절하는 부분적인 기전으로 이해된다.

Keywords

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