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    Article

    Phytochemical Profile of the Aerial Parts of Rehmannia glutinosa Liboschitz var. purpurea Makino

    Huu Tung Nguyen2,3★, Thi Ngan Dang2,4, Takuhiro Uto5, Tomoe Ohta5, Hitoshi Watanabe6, Yukihiro Shoyama5★ Corresponding author

    1. 1Faculty of Pharmacy, Phenikaa University.
    2. 2Phenikaa Research and Technology Institute (PRATI), A&A Green Phoenix Group, 167 Hoang Ngan.
    3. 3School of Medicine and Pharmacy, Vietnam National University, Hanoi, Vietnam.
    4. 4Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Nagasaki International University, Nagasaki.
    5. 5Center of Environment, Health and Field Science, Chiba University, Ciba City, Chiba, Japan.

    CORRESPONDENCE

    Huu Tung Nguyen

    Phenikaa Research and Technology Institute (PRATI), A&A Green Phoenix Group, 167 Hoang Ngan.

    tung.nguyenhuu@phenikaa-uni.edu.vn

    Received: 30-05-2019; Revised: 19-06-2019.

    Volume 16, Issue 67 · pp. 128–131 · PUBLISHED 11 February 2020 · DOI: 10.4103/pm.pm_243_19

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Objective: The objective was to study on chemical constituents of the aerial parts of the title plant and evaluate the aerial parts as a supplementary source for Rehmanniae radix. Materials and Methods: Solvent extraction, partition, and column chromatography was used to separate individual compounds; spectroscopic data including nuclear magnetic resonance and mass spectrometry were analyzed to determine the chemical structure of the isolates. Results: Eight compounds including five ursane-type triterpenoids for the first time from RG (ursolic acid [1], pomolic acid [2], 2β-hydroxypomolic acid [3], asiatic acid [4] and 7β,24-dihydroxy ursolic acid [5]) and three main glycosides (ajugol [6], aucubin [8], and acteoside [7]) were characterized from the aerial parts of the title plant. Their structures were identified on the basis of spectroscopic data and comparison with those reported in the literature. Conclusion: The current study reveals various ursane triterpenes in the organic portion beside the main hydrophilic glycosides in the RG aerial parts. The occurrence of various ursane triterpenes contributed in part to phytochemical database and evidence of the biological activity associated with potential in use as a medicinal material of the RG leaves.

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      Nguyen, H. T., Dang, T. N., Uto, T., Ohta, T., Watanabe, H., & Shoyama, Y. (2020). Phytochemical Profile of the Aerial Parts of Rehmannia glutinosa Liboschitz var. purpurea Makino. Pharmacognosy Magazine, 16(67), 128–131. https://doi.org/10.4103/pm.pm_243_19