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Evidence-Based Complementary and Alternative Medicine
Volume 2015, Article ID 783460, 7 pages
Research Article

Hypoglycemic Effect of Ethanol and Ethyl Acetate Extract of Phellinus baumii Fruiting Body in Streptozotocin-Induced Diabetic Mice

1National Engineering Research Center of Edible Fungi, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
2Department of Pharmacology for Chinese Materia Medica, China Pharmaceutical University, 639 Longmian Avenue, Jiangning District, Nanjing, Jiangsu 211198, China

Received 22 October 2014; Revised 20 May 2015; Accepted 25 May 2015

Academic Editor: Vernon A. Barnes

Copyright © 2015 Wen-Han Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We investigated hypoglycemic effect of ethanol (EtOH) and ethyl acetate extract acetate (AcOEt) extracts in streptozotocin- (STZ-) induced diabetic mice. Our data showed the maximum inhibitory effect on the fasting plasma glucose (FPG) level was detected in STZ-induced diabetic mice administered with 400 mg/kg AcOEt extract of P. baumii. A lower glycated albumin (GA) level and a higher insulin level were observed in 400 mg/kg AcOEt and EtOH extract groups. Moreover, 400 mg/kg AcOEt and EtOH extract exhibited a stronger effect on increasing size and cell number of islets. The insulin expression level of β-cells and integrated optical density (IOD) value were significantly increased by the administration of 400 mg/kg AcOEt and EtOH extracts. Taken together, AcOEt and EtOH extracts of P. baumii fruiting body exhibited considerable hypoglycemic effect on STZ-induced diabetic mice.