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KMID : 1030220210220010060
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Journal of Korean Diabetes
2021 Volume.22 No. 1 p.60 ~ p.70
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Effects of Jerusalem Artichoke Extract and Inulin on Blood Glucose Levels and Insulin Secretion in Streptozotocin Induced Diabetic Mice
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Kim Seung-Hee
Kim Byung-Ki
Park Boo-Yeun
Kim Jung-Min
Lee Young-Jik
Lee Mi-Kyung
Yee Sung-Tae
Kang Mi-Yeon
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Abstract
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Background: To determine the effects of Jerusalem Artichoke extract (JAE) and inulin on blood glucose levels and insulin secretion in streptozotocin (STZ)-induced diabetic mice.
Methods: Thirty four mice were divided into a normal control group and three experimental groups: diabetic control, JAE, and inulin. STZ (50 mg/kg) was injected intraperitoneally to induce diabetes in the three experimental groups. The JAE and inulin groups were fed 10 g/kg JAE or fed 1 g/kg inulin, respectively, for 6 weeks. Fasting glucose was checked weekly. After 6 weeks, the oral glucose tolerance test (OGTT) was performed, and the insulin level was checked.
Results: Four mice from the JAE group (n = 9) died and autopsies revealed inflammation and ulceration of skin lesions on the chest areas. Fasting glucose levels were not decreased in the inulin or JAE group relative to diabetic control group. In the OGTT at 60 minutes and 120 minutes, the serum glucose levels were significantly higher in the inulin group (572.6 ± 52.0 mg/dL and 555.8 ± 72.9 mg/dL, respectively) than in diabetic control group (484.3 ± 81.6 mg/dL and 467.3 ± 111.1 mg/dL, respectively). Insulin levels were not increased in the inulin group relative to the diabetic control group.
Conclusion: These results indicate that JAE and inulin might not be useful therapeutic strategies for diabetes mellitus and indiscreet intake of Jerusalem Artichoke could exacerbate to diabetes.
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KEYWORD
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Diabetes mellitus, Glucose, Helianthus, Insulin, Inulin
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