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Nutritional sciences v.8 no.2, 2005년, pp.83 - 88  

Effect of Psyllium Seed Husk on the Postprandial Glucose Control and Insulin Secretion Dynamics

Choi Hyun-Ju    (Department of Biomedical Laboratory Science, Biohealth Products Research Center, Food Science Institute, Diet Research Center, Inje University   ); Nam Jeong-Su    (Department of Biomedical Laboratory Science, Biohealth Products Research Center, Food Science Institute, Diet Research Center, Inje University  );
  • 초록

    This study was to investigate the effect of psyllium seed husk (PSYL) on postprandial glucose control and insulin secretion dynamics in Sprague-Dawley rats. In experiment 1, the rise in postprandial serum glucose was monitored during a 240-min period using a maltose loading test In normal rats given 16.6 mg/l00 g B.W./ml of PSYL orally, all the blood glucose levels during the 240-min period did not show statistically significant differences from the corresponding levels in normal rats given water. However, in streptozotocin-induced diabetic rats given the same amount of PSYL, the blood glucose level at 30 min was significantly lower than that in diabetic rats given water, and the peak time of the rise in the postprandial glucose was delayed In experiment 2, the normal (N) and diabetic (Db) rats were given PSYL (25 mg/l00 g B.W./ml/day) orally for 5 days. Blood samples were collected in order to measure the s-glucose and s-insulin levels. The final s-glucose level at day 5 in Db-PSYL was significantly lower than that in the corresponding control rats (Db-CONT) and the final s-insulin level in Db-PSYL was significantly greater than that in Db-CONT. In vitro 40-min pancreas perfusion was performed at day 5 in order to examine the insulin secretion dynamics. Results showed that the amounts of insulin secreted during the first phase (11-20 min) and the second phase (21-40 min) in the Db-PSYL were significantly greater than those in Db-CONT. Therefore, it is concluded that psyllium seed husk could be beneficial for controlling postprandial glucose levels in the stretozotocin-induced diabetic rats, and it may be partially mediated by insulin secretion dynamics.


  • 주제어

    Psyllium seed husk .   In vitro pancreas perfusion .   Insulin .   Postprandial glucose.  

  • 참고문헌 (34)

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