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Journal Article

Journal Article

The Improvement of Chaga Mushroom (Inonotus Obliquus) Extract Supplementation on the Blood Glucose and Cellular DNA Damage in Streptozotocin-Induced Diabetic Rats  [2009]

Park, Y.K., Kyunghee University, Yongin, Republic of Korea; Kim, J.S., Hannam University, Daejeon, Republic of Korea; Jeon, E.J., Hannam University, Daejeon, Republic of Korea; Kang, M.H., Hannam University, Daejeon, Republic of Korea;

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Mushrooms have become a largely untapped source of powerful new pharmaceutical products that poses anti-inflammatory, and antimutagenic, and antioxidant activities. The antioxidant effects of the mushroom may be partly explained by protecting cellular components against free radical. The aim of this study was to investigate the protective effect of chaga mushroom against diabetes, via the mitigation of oxidative stress and reduction of blood glucose, in streptozotocin-induced diabetic rats. Rats were rendered diabetic by intravenous administration of STZ through tail at a dose of 50 mg/kg. Animals were allocated into four groups with 8 rats each. The control and diabetic control group were fed with standard rat feed. The other diabeic groups, the low chaga extract group and the high chaga extract group were fed ad libitum using 0.5 g/kg and 5 g/kg of chaga mushroom extract, respectively, for 4 weeks. The blood glucose levels in the two chaga extract groups showed a tendency to decrease but did not reach statistical significance after the supplementation. Leukocyte DNA damage, expressed as tail length, was found to be significantly lower in the high chaga extract group than in the diabetic control group (p greater than 0.05). Plasma level of total radical-trapping antioxidant potential (TRAP) was tend to be higher in the high chaga extract group compared with the diabetic control group. Erythrocyte antioxidant enzyme activities of two groups did not differ.
Although we did not obtain beneficial effect on lowering blood glucose levels in the STZ-induced diabetic rats, this results suggest that the chaga mushroom extracts may initially act on protecting endogenous DNA damage in the short-term experiment.
From the journal
The Korean Journal of Nutrition
ISSN : 0367-6463

Bibliographic information

Language:
Korean
Type:
Directory
In AGRIS since:
2010
Volume:
42
Issue:
1
Start Page:
5
End Page:
13
All titles:
"The Improvement of Chaga Mushroom (Inonotus Obliquus) Extract Supplementation on the Blood Glucose and Cellular DNA Damage in Streptozotocin-Induced Diabetic Rats"@eng
Other:
"Summary(En)"
"6 tables"
"3ill., 42 ref."
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Bibliographic information

Language:
Korean
Type:
Directory
In AGRIS since:
2010
Volume:
42
Issue:
1
Start Page:
5
End Page:
13
All titles:
"The Improvement of Chaga Mushroom (Inonotus Obliquus) Extract Supplementation on the Blood Glucose and Cellular DNA Damage in Streptozotocin-Induced Diabetic Rats"@eng
Other:
"Summary(En)"
"6 tables"
"3ill., 42 ref."