Bumshik Hong

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We screened 50 Korean traditional natural plants to measure the activation effect on choline acetyltransferase and attenuation of scopolamine-induced amnesia. The methanolic extracts from Zizyphus jujuba among the tested 50 plants, showed the highest activatory effect (34.1%) on choline acetyltransferase in vitro. By sequential fractionation of Zizyphus(More)
An ethanolic extract of Allium tuberosum Rottl. demonstrated potent choline acetytrasferase (ChAT) activating activity (45%) among 30 screened Korean edible plants. The ChAT activator of A. tuberoum Rottl. was purified and identified as ferulic acid [4-hydroxy-3-methoxycinnamic acid] via silica-gel open-column chromatography, HPLC, EI-MS, and 1H/13C-NMR.(More)
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