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    Natural Products
    Podocarpusflavone A
    Podocarpusflavone A
    Information
    CAS No. 22136-74-9 Price
    Catalog No.CFN98202Purity>=98%
    Molecular Weight552.5 Type of CompoundFlavonoids
    FormulaC31H20O10Physical DescriptionYellow powder
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    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
    Other Packaging *Packaging according to customer requirements(100uL/well, 200uL/well and more), and Container use Storage Tube With Screw Cap
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    Podocarpusflavone A

    Podocarpusflavone A
    Product Name Podocarpusflavone A
    CAS No.: 22136-74-9
    Catalog No.: CFN98202
    Molecular Formula: C31H20O10
    Molecular Weight: 552.5 g/mol
    Purity: >=98%
    Type of Compound: Flavonoids
    Physical Desc.: Yellow powder
    Targets: DNA/RNA Synthesis | Antifection
    Source: The barks of Podocarpus macrophyllus
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Price:
    Inquire / Order: manager@chemfaces.com
    Technical Inquiries: service@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
  • Antimalaric Compound Library
  • Flavonoids Compound Library
  • DNA/RNA Synthesis Inhibitor Library
  • Antifection Inhibitor Library
  • Biological Activity
    Description: Podocarpusflavone A is the strongest noncytotoxic non-nucleotide molecule exhibiting a specific inhibitory activity against the RNA polymerase domain of DV-NS5 and thus is promising for chemotherapy development against dengue fever. Podocarpusflavone A also shows antimalarial activity in vitro against the chloroquine-sensitive F32 and chloroquine-resistant FcM29 strains of Plasmodium falciparum.
    Targets: DNA/RNA Synthesis | Antifection
    In vitro:
    Planta Med. 2012 May;78(7):672-7.
    Biflavonoids of Dacrydium balansae with potent inhibitory activity on dengue 2 NS5 polymerase.[Pubmed: 22411725]
    In order to find new molecules for antiviral drug design, we screened 102 ethyl acetate extracts from New-Caledonian flora for antiviral activity against the dengue 2 virus RNA-dependant RNA polymerase (DV-NS5 RdRp).
    METHODS AND RESULTS:
    The leaf extract of Dacrydium balansae, which strongly inhibited the DV-NS5, was submitted to bioguided fractionation. Four biflavonoids ( 1- 4), three sterols ( 5- 7), and two stilbene derivatives ( 8- 9) were identified and evaluated for their antiviral potential on the DV-NS5 RdRp. Biflavonoids appeared to be potent inhibitors of DV-NS5 RdRp with IC (50)s between 0.26 and 3.12 µM. Inhibitory activity evaluations against the RNA polymerase from other Flaviviridae viruses allowed us to conclude that these compounds are specific inhibitors of the DV RNA polymerase. The strongest inhibitions were observed with hinokiflavone ( 4), but Podocarpusflavone A ( 2) is the strongest noncytotoxic inhibitor of the DV-NS5 and it also displayed polymerase inhibitory activity in a DV replicon.
    CONCLUSIONS:
    A preliminary structure-activity relationship study (SARs) revealed the necessity of the biflavonoid skeleton, the influence of number and position of methoxylations, and the importance of a free rotation of the linkage between the two apigenin monomers of the biflavonoids. To the best of our knowledge, Podocarpusflavone A ( 2) is the strongest noncytotoxic non-nucleotide molecule exhibiting a specific inhibitory activity against the RNA polymerase domain of DV-NS5 and thus is promising for chemotherapy development against dengue fever.
    Ann Trop Med Parasitol. 2007 Jan;101(1):23-30.
    Antimalarial and vasorelaxant constituents of the leaves of Allanblackia monticola (Guttiferae).[Pubmed: 17244407 ]

    METHODS AND RESULTS:
    Phytochemical investigation of the leaves of Allanblackia monticola led to the isolation and characterisation of five prenylated xanthones [1,6-dihydroxy-3,7-dimethoxy-2-(3-methylbut-2-enyl)xanthone 1, alpha-mangostin 2, tovophyllin A 3, allanxanthone C 4 and 1,7-dihydroxy-3-methoxy-2-(3-methylbut-2-enyl)xanthone 5], two biflavonoid derivatives (amentoflavone 6 and Podocarpusflavone A 7) and one pentacyclic triterpene (friedelan-3-one 8). The structures of these compounds were established on the basis of homo- and hetero-nuclear, one- and two-dimensional, nuclear magnetic resonance. Compounds 2-8 and a crude methanolic extract of A. monticola leaves were each tested for antimalarial activity in vitro, using the chloroquine-sensitive F32 and chloroquine-resistant FcM29 strains of Plasmodium falciparum; the median inhibitory concentrations (IC(50)) recorded varied from 0.7 to 83.5 mug/ml. The cytotoxicities of the compounds and crude extract, against cultures of human melanoma cells (A375), were then investigated, and cytotoxicity/antimalarial IC(50) ratios of 0.6-16.75 were recorded.
    CONCLUSIONS:
    In tests involving aortic rings from guinea pigs, a crude extract of the leaves of A. monticola was found to induce concentration-dependent vasorelaxation, causing up to 82% and 42% inhibition of noradrenaline- and KCl-induced contractions, respectively. The corresponding values for compounds 2 and 6 when tested against noradrenaline-induced contractions were approximately 18% and 35%, respectively.
    Podocarpusflavone A Description
    Source: The barks of Podocarpus macrophyllus
    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 1.81 mL 9.0498 mL 18.0995 mL 36.1991 mL 45.2489 mL
    5 mM 0.362 mL 1.81 mL 3.6199 mL 7.2398 mL 9.0498 mL
    10 mM 0.181 mL 0.905 mL 1.81 mL 3.6199 mL 4.5249 mL
    50 mM 0.0362 mL 0.181 mL 0.362 mL 0.724 mL 0.905 mL
    100 mM 0.0181 mL 0.0905 mL 0.181 mL 0.362 mL 0.4525 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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