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KMID : 0606920130210050405
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Biomolecules & Therapeutics
2013 Volume.21 No. 5 p.405 ~ p.410
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Effect of Codonopsis lanceolata with Steamed and Fermented Process on Scopolamine-Induced Memory Impairment in Mice
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Weon Jin-Bae
Yun Bo-Ra
Lee Ji-woo
Eom Min-Rye
Ko Hyun-Jeong
Kim Ji-Seon
Lee Hyeon-Yong
Park Dong-Sik
Chung Hee-Chul
Chung Jae-Youn
Ma Choong-Je
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Abstract
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Codonopsis lanceolata (Campanulaceae) traditionally have been used as a tonic and to treat patients with lung abscesses. Recently, it was proposed that the extract and some compounds isolated from C. lanceolata reversed scopolamine-induced memory and learning deficits. The purpose of this study was to evaluate the improvement of cognitive enhancing effect of C. lanceolata by steam and fermentation process in scopolamine-induced memory impairment mice models by passive avoidance test and Morris water maze test. The extract of C. lanceolata or the extract of steamed and fermented C. lanceolata (SFCE) was orally administered to male mice at the doses of 100 and 300 mg/kg body weight. As a result, mice treated with steamed and fermented C. lanceolata extract (SFCE) (300 mg/kg body weight, p.o.) showed shorter escape latencies than those with C. lanceolata extract or the scopolamine-administered group in Morris water maze test. Also, it exerted longer step-through latency time than scopolamine treated group in passive avoidance test. Furthermore, neuroprotective effect of SFCE on glutamate-induced cytotoxicity was assessed in HT22 cells. Only SFCE-treated cells showed significant protection at 500 μg/ml. Interestingly, steamed C. lanceolata with fermentation contained more phenolic acid including gallic acid and vanillic acid than original C. lanceolata. Collectively, these results suggest that steam and fermentation process of C. lanceolata increased cognitive enhancing activity related to the memory processes and neuroprotective effect than original C. lanceolata.
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KEYWORD
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Codonopsis lanceolata, Steaming, Fermentation, Morris water maze test, Passive avoidance test, Cognitive-enhancing activity, Neuroprotective effect
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