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    Phloretin
    Phloretin
    Information
    CAS No. 60-82-2 Price $40 / 20mg
    Catalog No.CFN97040Purity>=98%
    Molecular Weight274.3 Type of CompoundChalcones
    FormulaC15H14O5Physical DescriptionPowder
    Download     COA    MSDS    SDFSimilar structuralComparison (Web)
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    Phloretin Description
    Source: The peel of apple.
    Biological Activity or Inhibitors: 1. Phloretin has antimicrobial activity against the Gram negative bacteria Salmonella typhimurium ATCC 13311.
    2. Phloretin manipulates ASK-1-MAPK signal transduction leading to transcription of apoptotic genes.
    3. Phloretin at 1-20 uM can stimulate Smac expression and capase-3 activation concurrently with nuclear fragmentation of multi-nucleated osteoclasts, indicating that this compound promotes osteoclast apoptosis.
    4. Phloretin is effective in preventing estrogen deficiency-induced osteoclastogenic resorption.
    5. Phloretin may potentially be an immunomodulator by impairing the activation and function of DCs and Phloretin-contained fruits may be helpful in the improvement of inflammation and autoimmune diseases.
    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.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 3.6456 mL 18.2282 mL 36.4564 mL 72.9129 mL 91.1411 mL
    5 mM 0.7291 mL 3.6456 mL 7.2913 mL 14.5826 mL 18.2282 mL
    10 mM 0.3646 mL 1.8228 mL 3.6456 mL 7.2913 mL 9.1141 mL
    50 mM 0.0729 mL 0.3646 mL 0.7291 mL 1.4583 mL 1.8228 mL
    100 mM 0.0365 mL 0.1823 mL 0.3646 mL 0.7291 mL 0.9114 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.
    Phloretin References Information
    Citation [1]

    Phytomedicine. 2014 Sep 15;21(10):1208-15.

    Phloretin promotes osteoclast apoptosis in murine macrophages and inhibits estrogen deficiency-induced osteoporosis in mice. [Pubmed: 24932975]
    Bone-remodeling imbalance induced by increased osteoclast formation and bone resorption is known to cause skeletal diseases such as osteoporosis. The reduction of estrogen levels at menopause is one of the strongest risk factors developing postmenopausal osteoporosis. This study investigated osteoprotective effects of the dihydrochalcone Phloretin found in apple tree leaves on bone loss in ovariectomized (OVX) C57BL/6 female mice as a model for postmenopausal osteoporosis. OVX demoted bone mineral density (BMD) of mouse femurs, reduced serum 17β-estradiol level and enhanced serum receptor activator of NF-κB ligand (RANKL)/osteoprotegerin ratio with uterine atrophy. Oral administration of 10 mg/kg Phloretin to OVX mice for 8 weeks improved such effects, compared to sham-operated mice. Phloretin attenuated TRAP activity and cellular expression of β3 integrin and carbonic anhydrase II augmented in femoral bone tissues of OVX mice. This study further examined that osteogenic activity of Phloretin in RANKL-differentiated Raw 264.7 macrophages into mature osteoclasts. Phloretin at 1-20 μM stimulated Smac expression and capase-3 activation concurrently with nuclear fragmentation of multi-nucleated osteoclasts, indicating that this compound promoted osteoclast apoptosis. Consistently, Phloretin enhanced bcl-2 induction but diminished bax expression. Furthermore, Phloretin activated ASK-1-diverged JNK and p38 MAPK signaling pathways in mature osteoclasts, whereas it dose-dependently inhibited the RANKL-stimulated activation of ERK. Therefore, Phloretin manipulated ASK-1-MAPK signal transduction leading to transcription of apoptotic genes. Phloretin was effective in preventing estrogen deficiency-induced osteoclastogenic resorption.
    Citation [2]

    Food Chem. 2014 Oct 1;160:292-7.

    Biochemical and antimicrobial activity of phloretin and its glycosilated derivatives present in apple and kumquat.[Pubmed: 24799241]
    Phloretin and its glycosylated derivatives (phlorizin and Phloretin 3',5'-di-C-glucoside) are dihydrochalcones that have many interesting biological properties. The results obtained showed that the dihydrochalcones are able to inhibit growth of Gram positive bacteria, in particular Staphylococcus aureus ATCC 6538, Listeria monocytogenes ATCC 13932 and methicillin-resistant S. aureus clinical strains. Moreover, Phloretin is active also against the Gram negative bacteria Salmonella typhimurium ATCC 13311. The determination of the enzymatic activity of key metabolic enzymes allowed us to shed some light on the biochemical mechanism of aglycon cell growth inhibition, showing as it remarkably influences the energetic metabolism of S. aureus. In addition, structure/activity determinations highlighted that the presence of a glycosyl moiety bound to the chalcone structure dramatically decreases the antimicrobial activity of Phloretin.
    Citation [3]

    Food Funct. 2014 May;5(5):997-1006.

    Immunomodulation of phloretin by impairing dendritic cell activation and function.[Pubmed: 24651121]
    Dietary compounds in fruits and vegetables have been shown to exert many biological activities. In addition to antioxidant effects, a number of flavonoids are able to modulate inflammatory responses. Here, we demonstrated that Phloretin (PT), a natural dihydrochalcone found in many fruits, suppressed the activation and function of mouse dendritic cells (DCs). Phloretin disturbed the multiple intracellular signaling pathways in DCs induced by the Toll-like receptor 4 (TLR4) agonist lipopolysaccharide (LPS), including ROS, MAPKs (ERK, JNK, p38 MAPK), and NF-κB, and thereby reducing the production of inflammatory cytokines and chemokines. Phloretin also effectively suppressed the activation of DCs treated with different dosages of LPS or various TLR agonists. The LPS-induced DC maturation was attenuated by Phloretin because the expression levels of the MHC class II and the co-stimulatory molecules were down-regulated, which then inhibited the LPS-stimulating DCs and the subsequent naïve T cell activation in a mixed lymphocyte reaction. Moreover, in vivo administration of Phloretin suppressed the phenotypic maturation of the LPS-challenged splenic DCs and decreased the IFN-γ production from the activated CD4 T cells. Thus, we suggest that Phloretin may potentially be an immunomodulator by impairing the activation and function of DCs and Phloretin-contained fruits may be helpful in the improvement of inflammation and autoimmune diseases.