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    5,7-Diacetoxyflavone
    Information
    CAS No. 6665-78-7 Price
    Catalog No.CFN97138Purity>=98%
    Molecular Weight338.3 Type of CompoundFlavonoids
    FormulaC19H14O6Physical DescriptionYellow powder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: 5,7-Diacetoxyflavone is a natural product from Oroxylum indicum.
    5,7-Diacetoxyflavone Description
    Source: The barkS of Oroxylum indicum
    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 2.956 mL 14.7798 mL 29.5596 mL 59.1191 mL 73.8989 mL
    5 mM 0.5912 mL 2.956 mL 5.9119 mL 11.8238 mL 14.7798 mL
    10 mM 0.2956 mL 1.478 mL 2.956 mL 5.9119 mL 7.3899 mL
    50 mM 0.0591 mL 0.2956 mL 0.5912 mL 1.1824 mL 1.478 mL
    100 mM 0.0296 mL 0.1478 mL 0.2956 mL 0.5912 mL 0.739 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:
    Journal of Membrane Science, 1997 , 125 (1) :177-187
    Hydrolysis and regioselective transesterification catalyzed by immobilized lipases in membrane bioreactors[Reference: WebLink]
    An experimental study of two types of immobilized lipase membrane reactors for the bioconversion of lipophilic substrates is reported.
    METHODS AND RESULTS:
    In one part of the work, the performance of biphasic membrane reactors has been investigated as a function of selected operating conditions for the hydrolysis of olive oil. In this type of reactor, aqueous and organic phases flow tangentially past the two surfaces of an enzyme containing membrane; intramembrane mass transfer is diffusive.Another part of the study refers to the regioselective transesterification of 5,7-Diacetoxyflavone in a monophasic non-aqueous membrane reactor wherein an organic phase solution of substrate is crossflow filtered through the wall of a tubular enzyme-loaded membrane; in this case, intramembrane mass transfer is convective.Immobilization of the enzyme both within the interior of the membranes and at their surfaces is considered.The influence of fluid dynamics parameters and immobilization site on the biphasic reactors performance has been studied using lipase from Candida rugosa.
    CONCLUSIONS:
    The effect of immobilization, of the amount of immobilized enzyme on the catalytic activity and regioselectivity efficiency in non aqueous system have been investigated using lipase from Pseudomonas cepacea.