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    Natural Products
    Pieceid-2''-O-gallate
    Pieceid-2''-O-gallate
    Information
    CAS No. 105304-51-6 Price $318 / 10mg
    Catalog No.CFN95226Purity>=95%
    Molecular Weight542.5Type of CompoundPhenols
    FormulaC27H26O12Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)  (SDF)
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    * Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / $229.0 / In-stock
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
    Our products had been exported to the following research institutions and universities, And still growing.
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    Pieceid-2''-O-gallate

    Pieceid-2''-O-gallate
    Product Name Pieceid-2''-O-gallate
    CAS No.: 105304-51-6
    Catalog No.: CFN95226
    Molecular Formula: C27H26O12
    Molecular Weight: 542.5 g/mol
    Purity: >=95%
    Type of Compound: Phenols
    Physical Desc.: Powder
    Source: The roots of Pleuropterus ciliinervis
    Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
    Price: $318 / 10mg
    Inquire / Order: manager@chemfaces.com
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  • Related Screening Libraries
    Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
    10 mM * 1 mL in DMSO / Inquiry / In-stock
    Related Libraries
  • Phenols Compound Library
  • Biological Activity
    Description: Pieceid-2''-O-gallate has antioxidant activity.
    In vitro:
    Phytochemistry, 2003, 64(3):759-763.
    Stilbenes from the roots of Pleuropterus ciliinervis and their antioxidant activities.[Reference: WebLink]

    METHODS AND RESULTS:
    Two stilbene glycosides, Pieceid-2''-O-gallate and pieceid-2″-O-coumarate, were isolated from the MeOH extract of the roots of Pleuropterus ciliinervis Nakai (Polygonaceae), together with two known compounds, resveratrol and pieceid. Their structures were determined spectroscopically, particularly by 2D NMR spectroscopic analysis. The antioxidant activities of stilbenes isolated were determined in vitro against 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, superoxide radicals and by determining their lipid peroxidation inhibitory activities. Among the compounds isolated, pieceid-2″-O-gallate had the most potent inhibitory scavenging effect on DPPH, superoxide radicals and upon lipid peroxidation inhibition with IC50 values of 16.5, 23.9 and 5.1 μM, respectively.
    CONCLUSIONS:
    Two stilbene glycisides, (E)-pieceid-2″-O-gallate and (E)-pieceid 2″-O-cumarate, were isolated from the roots of P. ciliinervis, together with resveratrol and pieceid. They showed antioxidant activities.
    Pieceid-2''-O-gallate Description
    Source: The roots of Pleuropterus ciliinervis
    Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 1.8433 mL 9.2166 mL 18.4332 mL 36.8664 mL 46.0829 mL
    5 mM 0.3687 mL 1.8433 mL 3.6866 mL 7.3733 mL 9.2166 mL
    10 mM 0.1843 mL 0.9217 mL 1.8433 mL 3.6866 mL 4.6083 mL
    50 mM 0.0369 mL 0.1843 mL 0.3687 mL 0.7373 mL 0.9217 mL
    100 mM 0.0184 mL 0.0922 mL 0.1843 mL 0.3687 mL 0.4608 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Protocol
    Structure Identification:
    Química Nova,2014, 37(9):1465-1468.
    Separation and purification of three stilbenes from the radix of Polygonum cillinerve (Nakai) Ohwl by macroporous resin column chromatography combined with high-speed counter-current chromatography.[Reference: WebLink]
    Recebido em 26/03/2014; aceito em 08/07/2014; publicado na web em 22/09/2014 An effective method for the rapid separation and purification of three stilbenes from the radix of Polygonum cillinerve (Nakai) Ohwl by macroporous resin column chromatography combined with high-speed counter-current chromatography (HSCCC) was successfully established.
    METHODS AND RESULTS:
    In the present study, a two-phase solvent system composed of chloroform-n-butanol-methanol-water (4:1:4:2, v/v/v/v) was used for HSCCC separation. A one-step separation in 4 h from 150 mg of crude extract produced 26.3 mg of trans-resveratrol-3-O-glucoside, 42.0 mg of Pieceid-2''-O-gallate, and 17.9 mg of trans-resveratrol with purities of 99.1%, 97.8%, and 99.4%, respectively, as determined by high-performance liquid chromatography (HPLC).
    CONCLUSIONS:
    The chemical structures of these compounds were identified by nuclear magnetic resonance (NMR) spectroscopy.
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