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  • Title: Acetyl-cholinesterase Inhibitory Activity of Methoxyflavones Isolated from Kaempferia parviflora.
    Author: Seo SH, Lee YC, Moon HI.
    Journal: Nat Prod Commun; 2017 Jan; 12(1):21-22. PubMed ID: 30549816.
    Abstract:
    MeOH. extracts of Kaenpferia parvflora Wall.- ex. Baker family Zingiberaceae; were consecutively partitioned- with CHCl3, EtOAc, nd n-BuOH. The CHC1, fractions were diluted in distilled water with n-hexane-CH2Cl2 and three methoxyflavones were isolated from. the CH2Cl2 extract. Based on-spectral analysis and comparison of the spectral data with literature values, the compounds. were identified as; 3,5,7,3',4'-pentamethoxyflavone (KPl), 5,7- dimethoxyflavone (KP2), and 5,7,4'-trimethoxyflavone (KP3). In relation to their possible effectiveness against Alzheimher's disease;these-compounds were tested for their ability to inhibit acetylcholinesterase activity and neurite outgrowth in the PC12 cell line. Of the three compounds, KPl was the only one to inhibit significantly the acetylcholinesterase activity in a dose-dependent manner.
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