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    Quercetin 3-O-beta-D-xylopyranoside
    Information
    CAS No. 549-32-6 Price $318 / 10mg
    Catalog No.CFN90718Purity>=98%
    Molecular Weight434.08Type of CompoundFlavonoids
    FormulaC20H18O11Physical DescriptionYellow powder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: Quercetin derivatives can be practically applied for the treatment and prevention of osteoporosis, since they effectively inhibit osteoclast proliferation and stimulate osteoblast proliferation more than conventional therapeutic agents for osteoporosis, and increase trabecular bone area highly without changing hormone level in body and untoward effects on hematopoietic function and immune system.
    Targets: Immunology & Inflammation related
    In vitro:
    Z Naturforsch C. 2012 May-Jun;67(5-6):291-6.
    Bioactive phenolic compounds from the Egyptian Red Sea seagrass Thalassodendron ciliatum.[Pubmed: 22888534]

    METHODS AND RESULTS:
    Five flavonoids (rutin, asebotin, 3-hydroxyasebotin, Quercetin 3-O-beta-D-xylopyranoside, and a racemic mixture of catechin) and caffeic acid were isolated and identified for the first time from seagrass, Thalassodendron ciliatum, collected from the Hurghada region in Egypt.
    CONCLUSIONS:
    The crude extract and the isolated pure compounds were evaluated for their cytotoxic activities against HCT-116, HEPG, MCF-7, and HeLa human cancer cell lines, for their antiviral activity against Herpes Simplex and hepatitis A viruses, and for their antioxidant activity.
    J Asian Nat Prod Res. 2007 Apr-Aug;9(3-5):333-8.
    A new flavonol glycoside and activity of compounds from the flower of Nymphaea candida.[Pubmed: 17613618]
    A new compound, kaempferol 3-O-(2''-O-galloylrutinoside) (1), was isolated from the white flower of Nymphaea candida, together with nine known flavonol glycosides, kaempferol (2), kaempferol 3-O-beta-D-glucopyranoside (3), kaempferol 3-O-alpha-l-rhamnopyranoside (4), kaempferol 3-O-alpha-l-rhamnopyranosylglucopyranoside (5), kaempferol 7-O-beta-D-glucopyranoside 3-(O-alpha-l-rhamnopyranosylglucopyranoside) (6), quercetin (7), Quercetin 3-O-beta-D-xylopyranoside (8), myricetin (9), myricetin 3'-O-beta-D-xylopyranoside (10).
    METHODS AND RESULTS:
    The structure of 1 was established on the basis of the analysis of its 1D and 2D NMR spectral data. Compounds 1-7 and 9 exhibited moderate to significant antioxidant activities, which were evaluated by measurement of low-density lipoprotein (LDL) and malondialdehyde (MDA) levels in vitro. Compounds 1, 3, 4, 6 and 9 exhibited promising neuroprotective effects on ischemic injury model of cultured rat cortical neurons treated with sodium dithionite in glucose-free medium. Furthermore, compounds 1, 5, and 9 had distinct cytotoxicity to adrenal gland pheochromocytoma, PC12 cells, being treated by the same way.
    Quercetin 3-O-beta-D-xylopyranoside Description
    Source: The herbs of Eriolaena kwangsiensis
    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 2.3037 mL 11.5186 mL 23.0372 mL 46.0745 mL 57.5931 mL
    5 mM 0.4607 mL 2.3037 mL 4.6074 mL 9.2149 mL 11.5186 mL
    10 mM 0.2304 mL 1.1519 mL 2.3037 mL 4.6074 mL 5.7593 mL
    50 mM 0.0461 mL 0.2304 mL 0.4607 mL 0.9215 mL 1.1519 mL
    100 mM 0.023 mL 0.1152 mL 0.2304 mL 0.4607 mL 0.5759 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.