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    Natural Products
    Zeylasterone
    Information
    CAS No. 78012-25-6 Price
    Catalog No.CFN91915Purity>=98%
    Molecular Weight510.62Type of CompoundTriterpenoids
    FormulaC30H38O7Physical 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 / Inquiry
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    Zeylasterone

    Zeylasterone
    Product Name Zeylasterone
    CAS No.: 78012-25-6
    Catalog No.: CFN91915
    Molecular Formula: C30H38O7
    Molecular Weight: 510.62 g/mol
    Purity: >=98%
    Type of Compound: Triterpenoids
    Physical Desc.: Powder
    Source: The herbs of Tripterygium wilfordii
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Price:
    Inquire / Order: manager@chemfaces.com
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  • Faculty of Chem. & Nat. Resource Eng.2014, 62
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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
  • Triterpenoids Compound Library
  • Biological Activity
    Description: Zeylasterone shows bactericidal activity.
    In vitro:
    Microbiol Res. 2010 Oct 20;165(8):617-26.
    Antibacterial properties of zeylasterone, a triterpenoid isolated from Maytenus blepharodes, against Staphylococcus aureus.[Pubmed: 20116223 ]
    The anti-staphylococcal properties of Zeylasterone and demethylZeylasterone, two 6-oxophenolic triterpenoids isolated from Maytenus blepharodes, were investigated.
    METHODS AND RESULTS:
    Zeylasterone was more active than demethylZeylasterone on Staphylococcus aureus cells, showing bactericidal activity at 30 μg/ml (6 × MIC) in less than three hours and bacteriostatic at lower concentrations. At the same cell density, a more drastic reduction in CFU count was obtained when the triterpenoid was incorporated into cultures growing actively. Zeylasterone at 3 × MIC added on S. aureus cultures showed an early inhibitory effect on incorporation of radiolabeled thymidine, uridina and N-acetyl-glucosamine, and later on leucine. It also caused cell membrane disruption in S. aureus, as shown by the inhibition of radiolabeled precursor uptake, rapid potassium leakage, inhibition of NADH oxidation, and formation of mesosome-like structures around the septa.
    CONCLUSIONS:
    The structural features of the molecule, the blockage of solute transport through the membrane and changes in its permeability, suggest that Zeylasterone acts mainly on cytoplasmic membrane.
    J Appl Microbiol. 2008 May;104(5):1266-74.
    Activity and mechanism of the action of zeylasterone against Bacillus subtilis.[Pubmed: 18070038]
    To investigate the antimicrobial properties of 6-oxophenolic triterpenoids isolated from Maytenus blepharodes against different micro-organisms and the mode of action on Bacillus subtilis.
    METHODS AND RESULTS:
    The activity of Zeylasterone and demethylZeylasterone was evaluated by microdilution method. Zeylasterone showed a higher activity, being active against Gram-positive bacteria (minimum inhibitory concentration 3-20 microg ml(-1)) and Candida albicans (10 microg ml(-1)). Killing curves revealed a bacteriostatic effect on B. subtilis that was dependent on the growth phase and inoculum size. Zeylasterone caused cell membrane alterations in B. subtilis, as shown by potassium leakage and formation of mesosome-like structures. However, membrane disruption was not revealed by either LIVE/DEAD Baclight assay or measurement of intracellular constituent efflux. Zeylasterone showed an early effect on N-acetyl-glucosamine and uridine incorporation and later on that of thymidine and leucine.
    CONCLUSIONS:
    Diverse micro-organisms exhibit sensitivities towards compounds studied. The permeability changes in the cytoplasmic membrane and nonsimultaneous ceasing of macromolecular synthesis suggest that Zeylasterone could act on multiple targets on B. subtilis. The activity showed against B. subtilis as a model of spore-forming bacteria would provide valuable information for further studies in the development of 6-oxophenolic triterpenoids as antiseptic and disinfectant properties.
    Zeylasterone Description
    Source: The herbs of Tripterygium wilfordii
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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 1.9584 mL 9.792 mL 19.584 mL 39.1681 mL 48.9601 mL
    5 mM 0.3917 mL 1.9584 mL 3.9168 mL 7.8336 mL 9.792 mL
    10 mM 0.1958 mL 0.9792 mL 1.9584 mL 3.9168 mL 4.896 mL
    50 mM 0.0392 mL 0.1958 mL 0.3917 mL 0.7834 mL 0.9792 mL
    100 mM 0.0196 mL 0.0979 mL 0.1958 mL 0.3917 mL 0.4896 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.
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