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    CAS No. 102115-79-7 Price $138 / 20mg
    Catalog No.CFN90694Purity>=98%
    Molecular Weight1031.18Type of CompoundSteroids
    FormulaC51H82O2Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Our products had been exported to the following research institutions and universities, And still growing.
  • University Medical Center Mainz (Germany)
  • Donald Danforth Plant Science Ce... (USA)
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    Featured Products
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    Biological Activity
    Description: Pseudoprotodioscin exhibits anti-inflammatory and anticancer activities, it shows a weaker suppressing effect on the production of inflammatory cytokines, and can suppress melanogenesis in B16F1 cells.
    Targets: Immunology & Inflammation related
    In vitro:
    Planta Med. 2011 May;77(7):705-10.
    Anti-inflammatory and anti-melanogenic steroidal saponin glycosides from Fenugreek (Trigonella foenum-graecum L.) seeds.[Pubmed: 20979021 ]
    Fenugreek seed ( Trigonella foenum-graecum L.) is used as an herbal medicine for treating metabolic and nutritive dysfunctions.
    To determine if this plant has other beneficial effects, we tested the inhibitory activities of a methanol (MeOH) extract of fenugreek seed on the production of inflammatory cytokines and melanin synthesis in cultured cell lines in vitro. The MeOH extract inhibited the production of phorbol-12-myristate-13-acetate-induced inflammatory cytokines such as tumor necrosis factor (TNF)-α in cultured THP-1 cells, and also restrained the intracellular synthesis of melanin in murine melanoma B16F1 cells. We isolated three active constituents from fenugreek seed extracts. These were identified as the steroidal saponins 26- O-β-D-glucopyranosyl-(25 R)-furost-5(6)-en-3 β,22 β,26-triol-3- O-α-L-rhamno-pyranosyl-(1'' → 2')-O-[β-D-glucopyranosyl-(1''' → 6')- O]-β-D-glucopyranoside 1, minutoside B 2, and Pseudoprotodioscin 3. Compounds 1 and 2 strongly suppressed the production of inflammatory cytokines, whereas 3 showed a weaker suppressing effect. Melanogenesis in B16F1 cells was significantly suppressed by 1 and 3, and weakly suppressed by 2. All three compounds showed moderate cytotoxicities.
    These results indicate that fenugreek extract and its active constituents could protect against skin damage.
    Planta Med. 2001 Dec;67(9):853-7.
    Two new steroidal saponins from the rhizomes of Dioscorea panthaica and their cytotoxic activity.[Pubmed: 11745024]
    Two new steroidal saponins, dioscoresides C (1) and D (2), along with a new natural product, pregnadienolone 3-O-beta-gracillimatriose (3), and two known compounds, pregnadienolone 3-O-beta-chacotrioside (4) and Pseudoprotodioscin (5), were isolated from the rhizomes of Dioscorea panthaica Prain et Burkill.
    On the basis of extensive NMR studies and chemical evidence, dioscoresides C and D were determined to be 26-O-beta-D-glucopyranosyl-3 beta,26-dihydroxy-23(S)-methoxy-25(R)-furosta-5,20(22)-dien-3-O-alpha-L-rhamnopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucopyranoside and 26-O-beta-D-glucopyranosyl-3 beta,26-dihydroxy-20,22-seco-25(R)-furosta-5-en-20,22-dine-3-O-alpha-L-rhamnopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1--> 4)]-beta-D-glucopyranoside.
    These compounds showed mild cytotoxicity against the cancer cell lines, A375, L929, and HeLa, in a dose-dependent manner.
    Pseudoprotodioscin Description
    Source: The rhizomes of Dioscorea nipponica Makino.
    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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    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.

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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 0.9698 mL 4.8488 mL 9.6976 mL 19.3953 mL 24.2441 mL
    5 mM 0.194 mL 0.9698 mL 1.9395 mL 3.8791 mL 4.8488 mL
    10 mM 0.097 mL 0.4849 mL 0.9698 mL 1.9395 mL 2.4244 mL
    50 mM 0.0194 mL 0.097 mL 0.194 mL 0.3879 mL 0.4849 mL
    100 mM 0.0097 mL 0.0485 mL 0.097 mL 0.194 mL 0.2424 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.