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    Droserone
    Droserone
    Information
    CAS No. 478-40-0 Price
    Catalog No.CFN91989Purity>=98%
    Molecular Weight204.18Type of CompoundQuinones
    FormulaC11H8O4Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Droserone Description
    Source: The herbs of Plumbago zeylanica
    Biological Activity or Inhibitors: 1. Droserone inhibits in vitro measles virus infection.
    2. Droserone exerts an antifungal effect on a wide range of plant and human fungal pathogens.
    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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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    Scientific Reports 2017 Dec 11;7(1):17332.
    doi: 10.1038/s41598-017-17427-6.

    PMID: 29230013

    Molecules. 2017 Oct 27;22(11). pii: E1829.
    doi: 10.3390/molecules22111829.

    PMID: 29077044

    J Cell Biochem. 2018 Feb;119(2):2231-2239.
    doi: 10.1002/jcb.26385.

    PMID: 28857247

    Phytomedicine. 2018 Feb 1;40:37-47.
    doi:10.1016/j.phymed.2017.12.030

    PMID: 29496173
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 4.8976 mL 24.4882 mL 48.9764 mL 97.9528 mL 122.441 mL
    5 mM 0.9795 mL 4.8976 mL 9.7953 mL 19.5906 mL 24.4882 mL
    10 mM 0.4898 mL 2.4488 mL 4.8976 mL 9.7953 mL 12.2441 mL
    50 mM 0.098 mL 0.4898 mL 0.9795 mL 1.9591 mL 2.4488 mL
    100 mM 0.049 mL 0.2449 mL 0.4898 mL 0.9795 mL 1.2244 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.
    Droserone References Information
    Citation [1]

    Planta Med. 2017 Feb;83(3-04):232-238.

    The Plant-Derived Naphthoquinone Droserone Inhibits In Vitro Measles Virus Infection.[Pubmed: 27420351 ]
    The naphthoquinone Droserone (1) is a natural product occurring in dicotyledonous plants. We have now observed that the addition of 1 during infection of tissue culture cells with measles virus considerably reduced the infection. Interestingly, the infection was inhibited only when Droserone (1) was added during virus entry, but not when added to the cells prior to virus uptake or after virus uptake. These findings suggest that 1 interacts with viral particles to reduce infectivity. The formation of progeny measles virus particles was inhibited to 50 % by Droserone (1) at a concentration (IC50) of approximately 2 μM with a half-maximal cytotoxicity (CC50) of about 60 μM for Vero cells. Other tested naphthoquinone derivatives, among them the likewise natural plumbagin (2), but also synthetic analogs, were either more cytotoxic or not as effective as 1. Thus, our data do not support the development of naphthoquinone derivatives into antiviral compounds, but suggest that they may be interesting research tools to study measles virus entry into cells.
    Citation [2]

    J Exp Bot. 2010 Mar;61(3):911-22.

    Induced production of antifungal naphthoquinones in the pitchers of the carnivorous plant Nepenthes khasiana.[Pubmed: 20018905]
    Nepenthes spp. are carnivorous plants that have developed insect capturing traps, evolved by specific modification of the leaf tips, and are able to utilize insect degradation products as nutritional precursors. A chitin-induced antifungal ability, based on the production and secretion to the trap liquid of Droserone and 5-O-methylDroserone, is described here. Such specific secretion uniquely occurred when chitin injection was used as the eliciting agent and probably reflects a certain kind of defence mechanism that has been evolved for protecting the carnivory-based provision of nutritional precursors. The pitcher liquid containing Droserone and 5-O-methylDroserone at 3:1 or 4:1 molar ratio, as well as the purified naphthoquinones, exerted an antifungal effect on a wide range of plant and human fungal pathogens. When tested against Candida and Aspergillus spp., the concentrations required for achieving inhibitory and fungicidal effects were significantly lower than those causing cytotoxicity in cells of the human embryonic kidney cell line, 293T. These naturally secreted 1,4-naphthoquinone derivatives, that are assumed to act via semiquinone enhancement of free radical production, may offer a new lead to develop alternative antifungal drugs with reduced selectable pressure for potentially evolved resistance.