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Hypoglycemic Effect of Mushroom Fermented Milk in Streptozotocin-Induced Diabetic Rats

당뇨성 흰쥐에서 버섯 추출물 함유 발효유 첨가 식이의 혈당강하작용

  • Published : 2004.08.01

Abstract

Nutritional concentrations by chemical analyses of mushroom fermented milk were protein 2.87%, fat 0.09%, carbohydrates 6.0%, dietary fiber 0.3%, lactose 2.01%, sucrose 1.23%, calcium 95.9 mg/100 g and iron 0.08 mg/100 g. The present study was undertaken to investigate the hypoglycemic effects of the equal volume of either water (streptozotocin (STZ)rontrol rats), mushrooms water-extract (STZ-extrart fed rats), mushroom fermented milk product (STZ-mushroom yogurt fed rats) or mushroom fermented milk supernatant (STZ-supernatant fed rats) (10%, v/w), in STZ-induced diabetic rats for 3 week period. The mushroom fermented milk given to the STZ-diabetic rats decreased the blood glucose significantly and increased the blood insulin, compared with the STZ-control rats. The supernatant and mushroom water extract also slightly retarded the development of hyperglycemia in the STZ-diabetic rats. Taken together the results, the mushroom yogurt may have a potential for the hypoglycemic effect in the STZ-diabetic rats.

버섯 추출물을 첨가하여 유산 발효시킨 버섯발효유와 이때 사용된 버섯 추출물 및 버섯발효유 상등액의 항당뇨 효과를 규명하고자 Sprague-Dawley 수컷에 streptozotocin을 50 mg/kg body weight씩 복강내 주사하여 당뇨를 유발시켜 검토하였다. 버섯발효유, 상등액 및 버섯 추출물을 식이 중에 10% (v/w)씩 동량 첨가 한 식이를 3주간 급여한 후 혈당치, 인슐린 농도 및 경구당부하실험을 실시하였다. 버섯발효유의 이화학적 성분을 분석 한 결과 단백질 2.87%, 지방 0.09%, 탄수화물 6.0%, 식이섬유 0.3%, 락토스 2.01%, 슈크로스 1.23% 및 칼슘과 철 성분을 각각 95.9 및 0.08 mg/l00 g함유하고 있었다. Streptozotocin-유발 대조군 당뇨쥐에 비해 버섯발효유 투여군에서 현저한 혈당강하 효과가 있었으며, 이러한 효과는 인슐린 농도증가에 의한 것으로 나타났다. 또한, 버섯발효유 상등액 및 버섯 추출물에도 혈당강하 효과가 있는 것으로 나타났다. 실험 종료시점에 실시한 경구당부하실험에서도 버섯발효유, 상등액 및 추출물 순으로 현저한 효과를 보였다. 이상의 결과로 볼 때 혈당강하 효과가 있는 버섯과 유산균을 접목한 버섯발효유 제조는 이들 상호간의 시너지 효과에 의해 당뇨성 흰쥐에서 현저한 항당뇨 효과를 발휘하였다.

Keywords

References

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