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    Article

    Neuroprotective compounds of Tilia amurensis

    Bohyung Lee2, Jin Bae Weon2, Min Rye Eom2, Youn Sik Jung2, Choong Je Ma2,3★★ Corresponding author

    1. 1Department of Medical Biomaterials Engineering, College of Biomedical Science.
    2. 2Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200‑701, Republic of Korea.

    CORRESPONDENCE

    Choong Je Ma

    Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon 200‑701, Republic of Korea.

    choongjema@gmail.com

    Received: 24-10-2014; Revised: 27-12-2014.

    Volume 11, Issue 44s1 · pp. 303–307 · PUBLISHED 24 September 2015 · DOI: 10.4103/0973-1296.166065

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Background: Tilia amurensis (Tiliacese) has been used for anti‑tumor and anti‑inflammatory in Korea, China, and Japan. Objective: In this study, we isolated five compounds from T. amurensis and determined whether protected neuronal cells against glutamate‑induced oxidative stress in HT22 cells. Materials and Methods: Compounds were isolated using chromatographic techniques including silica gel, Sephadex LH‑20 open column and high performance liquid chromatography analysis, and evaluated neuroprotective effect in HT22 cells by 3‑(4,5‑dimethythiazol‑2‑yl)‑2,5‑diphenyl tetrazolium bromide assay. Results: β‑D‑fructofuranosyl α‑D‑glucopyranoside (1), (‑)‑epicatechin (2), nudiposide (3), lyoniside (4), and scopoletin (5) were isolated by bioactivity‑guided fractionation from the ethyl acetate fraction of T. amurensis. Among them, (‑)‑epicatechin, nudiposide, lyoniside, and scopoletin had significant neuroprotective activities against glutamate‑injured neurotoxicity in HT22 cells. Conclusion: These results demonstrated that compound two, three, four, and five have a pronounced protective effect against glutamate‑induced neurotoxicity in HT22 cells.

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      Lee, B., Weon, J. B., Eom, M. R., Jung, Y. S., & Ma, C. J. (2015). Neuroprotective compounds of Tilia amurensis. Pharmacognosy Magazine, 11(44s1), 303–307. https://doi.org/10.4103/0973-1296.166065