The Effects of Several Halophytes on Insulin Resistance in Otsuka Long-evans Tokushima Fatty Rats

OLETF 쥐에서 칠면초와 세발나물의 인슐린 저항성 개선 효과

  • Cho, Jeong-Yong (Department of Food Science & Biotechnology and Solar Salt Research Center, Mokpo National University) ;
  • Huang, Zhangjun (Department of Food Science & Biotechnology and Solar Salt Research Center, Mokpo National University) ;
  • Park, Sun-Young (Department of Food Science & Biotechnology and Solar Salt Research Center, Mokpo National University) ;
  • Park, Kyung-Hee (Department of Food Science & Biotechnology and Solar Salt Research Center, Mokpo National University) ;
  • Pai, Tong-Kun (Department of Food and Nutrition, Anyang University) ;
  • Kim, So-Young (Division of Functional Food & Nutrition, National Academy of Agricultural Sciences, Rural Development Administration (RDA)) ;
  • Kim, Haeng-Ran (Division of Functional Food & Nutrition, National Academy of Agricultural Sciences, Rural Development Administration (RDA)) ;
  • Ham, Kyung-Sik (Department of Food Science & Biotechnology and Solar Salt Research Center, Mokpo National University)
  • 조정용 (목포대학교 식품공학과 및 천일염연구센터) ;
  • ;
  • 박선영 (목포대학교 식품공학과 및 천일염연구센터) ;
  • 박경희 (목포대학교 식품공학과 및 천일염연구센터) ;
  • 배동근 (안양대학교 식품영양학과) ;
  • 김소영 (농촌진흥청 국립농업과학원) ;
  • 김행란 (농촌진흥청 국립농업과학원) ;
  • 함경식 (목포대학교 식품공학과 및 천일염연구센터)
  • Received : 2013.09.17
  • Accepted : 2013.12.02
  • Published : 2014.02.28


We evaluated preventive effects of Suaeda japonica (SJ) and Spergularia marina Griseb (SMG) on the insulin resistance in Otsuka Long-Evans Tokushima Fatty (OLETF) rats. The 10-week old OLETF rats were fed diets containing 3% (w/w) SJ and SMG for 18 weeks. Fasting blood glucose levels in SJ and SMG groups, measured using the oral glucose tolerance test, were lower than that of the control rats. The SMG group showed significantly lower levels of insulin, glycated hemoglobin, triglyceride, and total cholesterol than the control group. In addition, these levels were relatively lower in the SJ group than those in the control rats. The SJ and SMG groups had relatively lower protein levels of nuclear factor-kappa B (NF-${\kappa}B$) p65 in adipose tissue and serine phosphorylated insulin receptor substrate 1 (IRS-1) in skeletal muscle than the control group. These results suggest that SJ and SMG prevent insulin resistance and SMG in particular reduces blood triglyceride and total cholesterol levels.


Supported by : 농촌진흥청


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