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    Home > Biochemistry News > Plant Extracts News > Qin Qi water lift

    Qin Qi water lift

    • Last Update: 2020-06-11
    • Source: Internet
    • Author: User
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    "Extractsource" This product is Dragon Bile plant Qinqi Gentzana macrophylla Pall., Maga Qinqin Gentiana Straminea Maxim., coarse-stemmed Qinqin Gentzana Clinesaulis exBurk

    " this product is brownish-yellow to sepia powder, the active ingredient can be soluble in methanol, ethanol, acetone

    "Identification" take this product plus methanol to make 5% solution for test solutionTake Qinqi standard control medicine 1.0g heated water 40 ml, 80 degrees C ultrasound extraction for 30 minutes, the filtrate steamed dry, residual residue plus methanol 1 ml dissolved as a control liquidTake the above two liquids each 10 sl, respectively, point in the same silicone G board, point three boards at a time

    (1) with chloroform-methanol-methicic acid (50:1:0.5), spray 10% sulphate ethanol solution, hot wind blowing

    (2) with ethyl acetate-methanol-water (10:2:1) and UV lamp 254nm

    (3) to ether-acetone (3:1) to expand, spray improved potassium iodide test fluid

    above three plates, fluorescent spots and visible spots corresponding rate of up to 80%

    " water: not over 6.0%

    ash: not over 6.0%

    heavy metals: not over 10ppm

    arsenic salt: not over 2ppm

    dextrin: not over 2.0%

    "Leaching" hydrolyzed leachate determination (appendix X A) thermal immersion determination, leaching rate is not less than 93%

    "function" to relieve heat, antibacterial, anti-inflammatory, blood pressure reduction

    "storage" cool, dry, to avoid light


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