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    Herbacetin
    Herbacetin
    Information
    CAS No. 527-95-7 Price $438 / 20mg
    Catalog No.CFN99778Purity>=98%
    Molecular Weight302.24Type of CompoundFlavonoids
    FormulaC15H10O7Physical DescriptionYellow powder
    Download Manual    COA    MSDS    SDFSimilar structuralComparison (Web)
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    Herbacetin Description
    Source: The herbs of Equisetum hyemale L.
    Biological Activity or Inhibitors: 1. Herbacetin induces apoptosis in HepG2 cells, by ROS and PI3K/Akt pathway.
    2. Herbacetin suppresses the HGF-induced motility of human breast cancer MDA-MB-231 cells by inhibiting c-Met and Akt phosphorylation.
    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.
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 3.3086 mL 16.5431 mL 33.0863 mL 66.1726 mL 82.7157 mL
    5 mM 0.6617 mL 3.3086 mL 6.6173 mL 13.2345 mL 16.5431 mL
    10 mM 0.3309 mL 1.6543 mL 3.3086 mL 6.6173 mL 8.2716 mL
    50 mM 0.0662 mL 0.3309 mL 0.6617 mL 1.3235 mL 1.6543 mL
    100 mM 0.0331 mL 0.1654 mL 0.3309 mL 0.6617 mL 0.8272 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.
    Herbacetin References Information
    Citation [1]

    Molecules. 2014 Mar 10;19(3):3025-37.

    Microwave-assisted extraction of herbacetin diglucoside from flax (Linum usitatissimum L.) seed cakes and its quantification using an RP-HPLC-UV system.[Pubmed: 24619301]
    Flax (Linum usitatissimum L.) seeds are widely used for oil extraction and the cold-pressed flaxseed (or linseed) cakes obtained during this process constitute a valuable by-product. The flavonol Herbacetin diglucoside (HDG) has been previously reported as a constituent of the flaxseed lignan macromolecule linked through ester bonds to the linker molecule hydroxymethylglutaric acid. In this context, the development and validation of a new approach using microwave-assisted extraction (MAE) of HDG from flaxseed cakes followed by quantification with a reverse-phase HPLC system with UV detection was purposed. The experimental parameters affecting the HDG extraction yield, such as microwave power, extraction time and sodium hydroxide concentration, from the lignan macromolecule were optimized. A maximum HDG concentration of 5.76 mg/g DW in flaxseed cakes was measured following an irradiation time of 6 min, for a microwave power of 150 W using a direct extraction in 0.1 M NaOH in 70% (v/v) aqueous methanol. The optimized method was proven to be rapid and reliable in terms of precision, repeatability, stability and accuracy for the extraction of HDG. Comparison with a conventional extraction method demonstrated that MAE is more effective and less time-consuming.
    Citation [2]

    Planta Med. 2013 Nov;79(16):1525-30.

    Herbacetin, a constituent of ephedrae herba, suppresses the HGF-induced motility of human breast cancer MDA-MB-231 cells by inhibiting c-Met and Akt phosphorylation.[Pubmed: 24081687]
    Ephedrae herba suppresses hepatocyte growth factor-induced cancer cell motility by inhibiting tyrosine phosphorylation of the hepatocyte growth factor receptor, c-Met, and the PI3K/Akt pathway. Moreover, Ephedrae herba directly inhibits the tyrosine-kinase activity of c-Met. Ephedrine-type alkaloids, which are the active component of Ephedrae herba, do not affect hepatocyte growth factor-c-Met-Akt signalling, prompting us to study other active molecules in the herb. We recently discovered Herbacetin glycosides and found that their aglycon, Herbacetin, inhibits hepatocyte growth factor-c-Met-Akt signalling. This study revealed a novel biological activity of Herbacetin. Herbacetin suppressed hepatocyte growth factor-induced motility in human breast cancer MDA-MB-231 cells by inhibiting c-Met and Akt phosphorylation and directly inhibiting c-Met tyrosine kinase activity. The effects of Herbacetin were compared to those of kaempferol, apigenin, and isoscutellarein, all of which have similar structures. Herbacetin inhibition of hepatocyte growth factor-induced motility was the strongest of those for the tested flavonols, and only Herbacetin inhibited the hepatocyte growth factor-induced phosphorylation of c-Met. These data suggest that Herbacetin is a novel Met inhibitor with a potential utility in cancer therapeutics.
    Citation [3]

    Food Chem Toxicol. 2013 Jan;51:426-33.

    Herbacetin induces apoptosis in HepG2 cells: Involvements of ROS and PI3K/Akt pathway.[Pubmed: 23063593]
    Herbacetin (HER) is a natural flavonoid compound that can be extracted from Ramose Scouring Rush Herb, and its biological and pharmacological activities lack of corresponding attention. In this study, the apoptotic effect of Herbacetin against the human hepatoma cell line (HepG2) was investigated. The results showed that HepG2 cells apoptosis occurred in a dose-dependent manner within 48h incubated with Herbacetin, which was confirmed by DNA fragmentation, nuclear shrinkage, and poly (ADP-ribose) polymerase (PARP) cleavage. Herbacetin at 25-100μM induced a mitochondria-dependent apoptotic pathway associated with Bcl-2/Bax ratio decrease, mitochondrial membrane potential (ΔΨ) collapse, cytochrome c release, and caspase-3 activation. Increasing expression of peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) was also observed in Herbacetin-treated cells. Furthermore, the addition of a ROS inhibitor (N-Acetyl-l-cysteine, NAC) significantly attenuated the apoptosis induced by Herbacetin and also blocked the expression of PGC-1α protein. Additionally, Herbacetin effectively inhibited the phosphorylation of Akt and the phosphatidylinositol-3 kinase (PI3K) inhibitor LY294002 increased the inhibition effect of Herbacetin on Akt phosphorylation. These findings provide evidences that Herbacetin induces HepG2 apoptosis in a ROS-mediated mitochondria-dependent manner that correlate with the inactivation of the PI3K/Akt pathway.
    Citation [4]

    Phytochemistry. 2007 Apr;68(8):1227-35.

    The flavonoid herbacetin diglucoside as a constituent of the lignan macromolecule from flaxseed hulls.[Pubmed: 17141814]
    Lignans in flaxseed are known to be part of a macromolecule in which they are connected through the linker-molecule hydroxy-methyl-glutaric acid (HMGA). In this study, the lignan macromolecule was extracted from flaxseed hulls and degraded to its monomeric constituents by complete saponification. Besides secoisolariciresinol diglucoside (SDG), the phenolic compounds p-coumaric acid glucoside (CouAG) and ferulic acid glucoside (FeAG) were isolated, which was expected based on indications from the literature. Also the flavonoid Herbacetin diglucoside (HDG) was found. The presence of HDG was confirmed by NMR following preparative RP-HPLC purification. Also the presence of the three other constituents (CouAG, FeAG and SDG) was confirmed by NMR. To prove that HDG is a substructure of the lignan macromolecule, the macromolecule was fragmented by partial saponification. A fragment consisting of HDG and HMGA was indicated. This fragment was isolated by preparative RP-HPLC and its identity was confirmed by NMR. It is concluded that the flavonoid HDG is a substructure of the lignan macromolecule from flaxseed hulls and that it is incorporated in the macromolecule via the same linker-molecule as SDG.