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    Leojaponin
    Leojaponin
    Information
    CAS No. 864817-63-0 Price
    Catalog No.CFN89087Purity>=98%
    Molecular Weight314.42Type of CompoundDiterpenoids
    FormulaC20H26O3Physical 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 of Canterbury (New Zealand)
  • Monash University Malaysia (Malaysia)
  • Utrecht University (Netherlands)
  • Chang Gung University (Taiwan)
  • Colorado State University (USA)
  • Seoul National University of Sci... (Korea)
  • Korea Food Research Institute(KF... (Korea)
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  • Chiang Mai University (Thailand)
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  • Package
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    Biological Activity
    Description: 1. Leojaponin is a prolyl oligopeptidase (POP) inhibitor.
    2. Leojaponin exhibits significant cytoprotective activities against glutamate-induced toxicity at concentrations ranging from 0.1 microm to 10 microm.
    Targets: AChR
    Leojaponin Description
    Source: The aerial parts of Leonurus sibiricus L.
    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 3.1805 mL 15.9023 mL 31.8046 mL 63.6092 mL 79.5115 mL
    5 mM 0.6361 mL 3.1805 mL 6.3609 mL 12.7218 mL 15.9023 mL
    10 mM 0.318 mL 1.5902 mL 3.1805 mL 6.3609 mL 7.9511 mL
    50 mM 0.0636 mL 0.318 mL 0.6361 mL 1.2722 mL 1.5902 mL
    100 mM 0.0318 mL 0.159 mL 0.318 mL 0.6361 mL 0.7951 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.
    Leojaponin References Information
    Citation [1]

    Nat Prod Res. 2017 Jun;31(12):1459-1463.

    Chemical composition and evaluation of prolyl oligopeptidase and acetylcholinesterase inhibitory activities of Leonurus Sibiricus L. from Brazil.[Pubmed: 27834099 ]
    Chemical investigation of the aerial parts of Leonurus sibiricus L. used in Brazilian folk medicine led to the identification of the following constituents: the labdane-type diterpenoid Leojaponin, the phytosterols β-sitosterol and β-sitosterol glucoside and the alkaloid leonurine. The crude extracts obtained from methanol and methanol/1% HCl and pure compounds isolated from L. sibirius were investigated as acetylcholinesterase (AChE) and prolyl oligopeptidase (POP) inhibitors. Extracts obtained by maceration were active against POP (53-58%), but showed weak activity against AChE. The isolated Leojaponin and leonurine were evaluated as POP inhibitors.
    Citation [2]

    Phytother Res. 2010 Aug;24(8):1256-9.

    Three diterpenes from Leonurus japonicus Houtt protect primary cultured rat cortical cells from glutamate-induced toxicity.[Pubmed: 20658574]
    To examine the cytoprotective effects of Leonurus japonicus Houtt, its protection against the glutamate-induced toxicity in primary cortical cultured neurons was tested. In order to clarify the cytoprotective mechanism(s) of this observed effect, isolation was performed to seek and identify active fractions and components. By such fractionation, three known diterpenes--prehispanolone (1), Leojaponin (2) and iso-preleoheterin (3)--were isolated from the methanol extracts from the air-dried L. japonicus. Among these three compounds, Leojaponin (2) exhibited significant cytoprotective activities against glutamate-induced toxicity, exhibiting cell viability of about 50%, at concentrations ranging from 0.1 microm to 10 microm. Therefore, the cytoprotective effect of L. japonicus might be due to the inhibition of glutamate-induced toxicity by the diterpenes it contains.