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    Home > Chemicals Industry > Chemical Technology > Ginsenoside Ro

    Ginsenoside Ro

    • Last Update: 2022-04-08
    • Source: Internet
    • Author: User
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    Ginsenoside Ro

    Ginsenoside Ro

    【Synonyms】Chikusetsusaponin Ⅳ c

    【Structural formula】


    [Molecular formula and molecular weight] C 48 H 76 O 19;956.


    [Source] The dry root of Achyranthes bidentata Bl


    【Properties】White powder


    This product is easily soluble in methanol and ethanol


    Melting point: 239~241℃


    【Purity Check】

    TLC

    1.


    Developing solvent chloroform - methanol - water - formic acid (7:3:0.


    Check 5% vanillin concentrated sulfuric acid solution, heated at 105℃ until the spots appear clear, check under sunlight

    2.


    Developing solvent chloroform - methanol - water (13:7:2) the lower layer liquid

    Inspection of 10% sulfuric acid ethanol solution, heated at 105°C until the spots appear clear, inspect under sunlight

    High performance liquid chromatography

    Chromatographic column Agilent SB C 18 , 10um (4.


    Mobile phase acetonitrile-ammonium bicarbonate buffer (0.


    Detection wavelength 203nm

    【Structural identification】203


    3406(-OH), 2945(C-H), 1728(C=O), 1610(C=C), 1077(C-O)


    ESI-MS m/z: 979[M+Na] + , 955[M—H] - , 793[M—gle] - , 775[M—glc—H 2 O] - , 749[M―glc—CO 2 ] -


    1 H-NMR (C 5 D 5 N) δ: 0.


    13 C-NMR (C 5 D 5 N) δ: 38.


    【Storage】Dry and airtight
    .

     

     

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