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    Home > Biochemistry News > Plant Extracts News > The cleavage-cleft ether ether

    The cleavage-cleft ether ether

    • Last Update: 2020-06-12
    • Source: Internet
    • Author: User
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    Extractsource: This product is Dragon Bile Plant Tumor Hairy Tooth Dish Swertiapseudochinensis HHara, Double-spotted tia dental dish Swertia bimaculata (Siebet Zuce) Hookf et ThomsEx C.B.Clarke's whole grass-derived cleavage ether terioside components, total cyclene ether teriosides content of 80%main ingredients: swertiamarin, content: 50%p style"" text-align: center; Height: 174px;"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard product of the tooth vegetable bitter glycoside, dragon bile bitter glycoside, bitter dragon bile glycoside, when the drug glycoside methanol to make each containing 1 mg /ml solution for control solutionTake the standard control of the medicinal herbs 1.0g with methanol 30 ml, ultrasonic extraction for 30 minutes, the filter concentrates to 1 ml for controlTake the above three liquids each 6 sl, respectively, on the same silicone GF254 board, to ethyl acetate-methanol-water (10:2:1), UV lamp 254nm inspectionThe corresponding position of the standard speckle appears the same color fluorescent spots, compared to the standard medicinal spots, the corresponding rate of 60%" Dry weightlessness: No more than 3.0% (Appendix IX.G)burning residue: No more than 0.4% (Appendix IX.J)Heavy Metals: No more than 10ppm (Appendix IX.E)"Content Measurement" according to the high-efficiency liquid chromatography (Appendix VI.D) determinationchromatography condition C18 column flow phase: 10% to 50% methanol column temperature: 50 degrees C detection wavelength: 254nm standard curve takes the bitter sideside standard of the leek vegetable with methanol to make a solution of 0.04 ?g/ml The peak area is measured by sampling measures of 0.5?l, 1.5?l, 3.0?l, 4.5?l, 6 ?l regression equation: Y-0.0128X-0.003 linear range: 2.489 to 49.6mg/L sample assay: take this product with methanol to make 0.08 sg/ml solution, take 5 sl injection liquid chromatography meter determination, and calculate the total cyclene ether argon content "function" stomach, moisture, antibacterial, anti-inflammatory, heat storage is cool, dry and light-proof
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