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Instant Gruel from Colored Barley and Oats for Improving Diabetic Conditions

유색보리와 귀리를 이용한 당뇨환자용 즉석죽의 당뇨 개선효과

  • Lee, Chang-Hyun (Dept. of Anatomy, College of Oriental Medicine, Woosuk University) ;
  • Kim, Jaeju (Chung Mec Co., LTD.) ;
  • Kwon, Jin (Dept. of Prosthetics & Orthotics, Korea National College of Rehabilitation & Welfare) ;
  • Youn, Young (Dept. of Food Science and Technology, Chonbuk National University) ;
  • Kim, Young-Soo (Dept. of Food Science and Technology, Chonbuk National University)
  • 이창현 (우석대학교 한의예과) ;
  • 김재주 (농업회사법인 청맥(주)) ;
  • 권진 (한국재활복지대학 의료보장구과) ;
  • 윤영 (전북대학교 식품공학과) ;
  • 김영수 (전북대학교 식품공학과)
  • Received : 2013.02.19
  • Accepted : 2013.04.17
  • Published : 2013.06.30

Abstract

The abilities of instant gruel manufactured with colored barley and oats to improve diabetic conditions were investigated using diabetes-induced mice and rats. Mice or rats were divided into a diabetic control group and one experimental group (seven animals per group). The control groups were fed without instant gruel and experimental groups were fed basal diets supplemented with 10% instant gruel for 8 weeks. The streptozotocin (STZ)-induced diabetic rats experimental group showed a significant decrease in food intake compared to the control group. Both Type II diabetic mice and STZ-induced diabetic rats experimental groups showed higher increases in body weight than the control groups. The blood glucose levels of the experimental groups ($352{\pm}12.2$ mg/dL in Type II diabetic mice; $296.4{\pm}13.2$ mg/dL in STZ-induced diabetic rats) were lower than the untreated control groups ($426.0{\pm}15.4$ mg/dL in Type II diabetic mice; $514.0{\pm}17.6$ mg/dL in STZ-induced diabetic rats). The serum insulin levels of Type II diabetic mice increased by 38.3% in the experimental group ($12.8{\pm}1.1$ ng/mL) compared to the control group ($7.9{\pm}0.5$ ng/mL). The immunohistochemical density of insulin-secreting cells and glucagon-like peptide-1 (GLP-1)-secreting cells in the pancreas were significantly higher in the experimental groups than the control groups for Type II diabetic mice and STZ-induced diabetic rats. Therefore, we conclude that instant gruel manufactured with colored barley and oats stimulates the secretion of insulin and decreases blood sugar by activating insulin-secreting cells in the pancreatic islets of diabetic animals.

유색보리와 귀리를 이용한 당뇨환자용 즉석죽의 당뇨 개선 효과를 in vivo를 통하여 확인하고 다음과 같은 결과를 얻었다. Type II 당뇨병 모델 생쥐(C57BLKS/J lar-$+Lepr^{db}/+Lepr^{db}$)의 실험종료 후 혈당의 농도는 대조군에서는 $426.0{\pm}15.4$ mg/dL이었으나, 실험군에서는 $352{\pm}12.2$ mg/dL로 약 17.4% 감소하였다. Streptozotocin으로 유발시킨 당뇨병 모델 SD계 rat의 실험종료 후 혈당의 농도는 대조군에서 $514.0{\pm}17.6$ mg/dL이었으나, 실험군에서는 $296.4{\pm}13.2$ mg/dL로 42.3% 감소하였다. Type II 당뇨병 모델 생쥐의 혈중내 인슐린 농도는 대조군에서 $7.9{\pm}0.5$ ng/mL이었으나, 실험군에서는 $12.8{\pm}1.1$ ng/mL로 약 38.3% 증가하였다. Type II 당뇨병 모델 생쥐의 췌도 내 인슐린 분비세포와 glucagon like peptide-1 분비세포에 대한 면역염색 반응은 실험군에서 대조군에 비해 췌도 내 인슐린 분비세포에 대한 면역염색 반응이 강하게 관찰되었고, streptozotocin으로 유발시킨 당뇨병 모델 SD계 rat의 췌도 내 인슐린 분비세포 및 glucagon like peptide-1 분비세포에 대한 면역염색 반응 또한 실험군에서 대조군에 비하여 인슐린 분비세포에 대한 면역염색 반응이 강하게 관찰되었다. 이상의 실험결과로 당뇨환자용 즉석죽은 당뇨병 유발 쥐들에서 췌도 내 인슐린 분비세포 기능의 활성화를 통한 인슐린의 분비를 촉진시키고, 혈당을 저하시킴을 알 수 있었다.

Keywords

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