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Effect of Water and Ethanol Extracts Codonopsis lanceolata on Spatial Learning and Memory in Mice  

Weon, Jin Bae (Department of Medical Biomaterials Engineering, College of Biomedical Science, Kangwon National University)
Lee, Jiwoo (Department of Medical Biomaterials Engineering, College of Biomedical Science, Kangwon National University)
Eom, Min Rye (Department of Medical Biomaterials Engineering, College of Biomedical Science, Kangwon National University)
Jung, Youn Sik (Department of Medical Biomaterials Engineering, College of Biomedical Science, Kangwon National University)
Ko, Hyun-Jeong (Laboratory of Microbiology and Immunology, College of Pharmacy, Kangwon National University)
Lee, Hyeon Yong (Department of Teaics, Seowon University)
Park, Dong-Sik (Functional Food & Nutrition Division, Department of Agrofood Resources)
Chung, Hee-Chul (Newtree CO., LTD.)
Chung, Jae Youn (Newtree CO., LTD.)
Ma, Choong Je (Department of Medical Biomaterials Engineering, College of Biomedical Science, Kangwon National University)
Publication Information
YAKHAK HOEJI / v.58, no.5, 2014 , pp. 287-293 More about this Journal
Abstract
Alzheimer's disease (AD), most common form of dementia is characterized that memory deficit and loss of cognitive function. This study was evaluated cognitive enhancing effect of water and ethanol extracts of Codonopsis lanceolata and compared using Morris water maze and passive avoidance test. The water and 70% ethanol extracts (100, 300 and 500 mg/kg) were administered to mice. The neuroprotective effect on glutamate-induced cell death in HT22 cells was additionally investigated using MTT assay. Results showed 70% ethanol extract of Codonopsis lanceolata enhanced cognitive function than water extract, as shown by decrease in escape latency time in Morris water maze test. In passive avoidance test, 70% ethanol extract also increased the latency time compared to the water extract. Furthermore, 70% ethanol extract significantly protected neuronal cell against glutamate cytotoxicity and showed higher than neuroprotective effect of water extract. These results indicate that 70% ethanol extract more improve spatial cognitive ability and protected neuronal cells than water extract.
Keywords
Codonopsis lanceolata; cognitive enhancing effect; neuroprotective effect;
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Times Cited By KSCI : 7  (Citation Analysis)
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