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    Cucurbitadienol
    Cucurbitadienol
    Information
    CAS No. 35012-08-9 Price
    Catalog No.CFN92378Purity> 95%
    Molecular Weight426.7Type of CompoundTriterpenoids
    FormulaC30H50OPhysical DescriptionPowder
    Download Manual    COA    MSDS    SDFSimilar structuralComparison (Web)
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    Cucurbitadienol Description
    Source: The fresh fruits of Momordica charantia L.
    Biological Activity or Inhibitors: 1. Cucurbitadienol has significant anti-inflammatory, anti-tumor effect, is also CucurbitacinBE compounds biosynthesis the key intermediate.
    2. Cucurbitadienol synthase, the first committed enzyme for cucurbitacin biosynthesis, is a distinct enzyme from cycloartenol synthase for phytosterol biosynthesis.
    3. CYP87D18 catalyzed the oxidation of cucurbitadienol at C-11 to produce 11-oxo cucurbitadienol and 11-hydroxy cucurbitadienol.
    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 2.3436 mL 11.7178 mL 23.4357 mL 46.8713 mL 58.5892 mL
    5 mM 0.4687 mL 2.3436 mL 4.6871 mL 9.3743 mL 11.7178 mL
    10 mM 0.2344 mL 1.1718 mL 2.3436 mL 4.6871 mL 5.8589 mL
    50 mM 0.0469 mL 0.2344 mL 0.4687 mL 0.9374 mL 1.1718 mL
    100 mM 0.0234 mL 0.1172 mL 0.2344 mL 0.4687 mL 0.5859 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.
    Cucurbitadienol References Information
    Citation [1]

    Plant Cell Physiol. 2015 Mar 9.

    Functional Characterization of Cucurbitadienol Synthase and Triterpene Glycosyltransferase Involved in Biosynthesis of Mogrosides from Siraitia grosvenorii.[Pubmed: 25759326]
    Mogrosides, the major bioactive components isolated from the fruits of Siraitia grosvenorii, are a family of cucurbitane-type tetracyclic triterpenoid saponins that are used worldwide as high-potency sweeteners and possess a variety of notable pharmacological activities. Mogrosides are synthesized from 2,3-oxidosqualene via a series of reactions catalyzed by Cucurbitadienol synthase (CbQ), Cyt P450s (P450s) and UDP glycosyltransferases (UGTs) in vivo. However, the relevant genes have not been characterized to date. In this study, we report successful identification of SgCbQ and UGT74AC1, which were previously predicted via RNA-sequencing (RNA-seq) and digital gene expression (DGE) profile analysis of the fruits of S. grosvenorii. SgCbQ was functionally characterized by expression in the lanosterol synthase-deficient yeast strain GIL77 and was found to accumulate Cucurbitadienol as the sole product. UGT74AC1 was heterologously expressed in Escherichia coli as a His-tag protein and it showed specificity for mogrol by transfer of a glucose moiety to the C-3 hydroxyl to form mogroside IE by in vitro enzymatic activity assays. This study reports the identification of CbQ and glycosyltransferase from S. grosvenorii for the first time. The results also suggest that RNA-seq, combined with DGE profile analysis, is a promising approach for discovery of candidate genes involved in biosynthesis of triterpene saponins.
    Citation [2]

    Plant Cell Physiol., 2016,57(5):1000-7.

    Oxidation of Cucurbitadienol Catalyzed by CYP87D18 in the Biosynthesis of Mogrosides from Siraitia grosvenorii.[Pubmed: 26903528 ]
    Mogrosides, the principally bioactive compounds extracted from the fruits of Siraitia grosvenorii, are a group of glycosylated cucurbitane-type tetracyclic triterpenoid saponins that exhibit a wide range of notable biological activities and are commercially available worldwide as natural sweeteners. The biosynthesis of mogrosides involves initial cyclization of 2,3-oxidosqualene to the triterpenoid skeleton of Cucurbitadienol, followed by a series of oxidation reactions catalyzed by Cyt P450s (P450s) and then glycosylation reactions catalyzed by UDP glycosyltransferases (UGTs). We previously reported the identification of a Cucurbitadienol synthase (SgCbQ) and a mogrol C-3 hydroxyl glycosyltransferase (UGT74AC1). However, molecular characterization of further transformation of Cucurbitadienol to mogrol by P450s remains unavailable. In this study, we report the successful identification of a multifunctional P450 (CYP87D18) as being involved in C-11 oxidation of Cucurbitadienol. In vitro enzymatic activity assays showed that CYP87D18 catalyzed the oxidation of Cucurbitadienol at C-11 to produce 11-oxo Cucurbitadienol and 11-hydroxy Cucurbitadienol. Furthermore, 11-oxo-24,25-epoxy Cucurbitadienol as well as 11-oxo Cucurbitadienol and 11-hydroxy Cucurbitadienol were produced when CYP87D18 was co-expressed with SgCbQ in genetic yeast, and their structures were confirmed by liquid chromatography-solid-phase extraction-nuclear magnetic resonance-mass spectrometry coupling (LC-SPE-NMR-MS). Taken together, these results suggest a role for CYP87D18 as a multifunctional Cucurbitadienol oxidase in the mogrosides pathway.