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    Home > Biochemistry News > Plant Extracts News > Paint flavonoids

    Paint flavonoids

    • Last Update: 2020-06-11
    • Source: Internet
    • Author: User
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    Extracted Source: This product is a of the large herb plant paint Euphorbia Helioscopa Ll., extracted flavonoids, the total flavonoid content of more than 80%

    "Main ingredient" golden peach espresso, content: 50%

    p style "text-aligned: center;" src"/uploads/allimg/1702/2-1F201446429A.jpg" style" Height: 128px; .

    "

    "

    quercetin, zelin, new slycosin Heliosin

    zevarol Helioscopol

    content: 30%

    " character" this product is light yellow to yellow brown powder, soluble in methanol, ethanol, acetone, pyridine

    "Identification" take this product plus methanol to make 0.5% solution for test solutionTake the standard products of gin peach glycosides, zelacine new glycosides, quercetin plus methanol to make each containing 1 mg / ml solution for control solutionTake the paint standard control medicine 1.0g plus methanol 30 ml, ultrasonic extraction for 30 minutes, the filtus concentrated to 1 ml as a control liquidTake the above three liquids each 8 sl, respectively, point on the same polyamide plate, with methanol-ice acetic acid-water (4:1:5), spray 5% aluminum trichloride ethanol solution, UV lamp 365nm inspectionThe corresponding location of the label spot shows the same color fluorescent spots, compared to the standard medicinal spots, the corresponding rate is 60%

    "Check" dryweight: not more than 3.0%

    burning residue: not over 0.5%

    heavy metals: not more than 10 ppm

    "content determination" according to the high-efficiency liquid chromatography determination

    chromatography condition C18 bar,

    flow phase: acetylene -0.1% phosphoric acid (17:83)

    detection wavelength: 360nm

    the number of theoretical boards is 5000

    control liquid: take the gold peach ethnosin product with methanol to make a 48 sg/ml solution spare

    test solution: Take this product with methanol to make 0.1 mg/ml solution spare

    determination: take the above-mentioned two liquid injection liquid chromatography of 10 sl injection liquid, and calculate the total flavonoid content

    "function" anti-inflammatory, anti-bacterial, cough, sputum

    "storage" cool, dry, to avoid light


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