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    Home > Biochemistry News > Plant Extracts News > Brown element

    Brown element

    • Last Update: 2020-06-15
    • Source: Internet
    • Author: User
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    Extractsource: This product is the pigment extracted from the leaves of Camellia Plant Tea ComeLlia sinensis (L.) O.Ktze., with a total tea flavonin content of more than 80%main ingredients: tea-yellow intheaflin, content: 50%p style"text-style"text-center; "align alt" "tea pigment" src"/uploads/allimg/1611211U1U07.jpg"style"width: 308px; Height: 310px;isotheaflavintea jaundic acidtea flayonoic theaflacid theaflacidtable tea prothanics Epitheaflavic acidcontent: 30%the product is yellow to orange yellow powder, wetting, irritating odor, soluble in methanol, ethanol, acetone, hot wateridentification" take this product with acetone to make 0.5% solution for determinationTake tea flavonoid, tea fleic acid and other standard products with acetone to make each ingredient content of 2mg/ml solution for controlTake the standard control of black tea with the medicinal 0.5g with acetone 5 ml, ultrasonic vibration lift 30 minutes, filtration, as control liquid(1) take the above three liquids each 10 sl, respectively, on the same silicone G board, to oil ether -ethyl acetate (85:15), spray 10% iron trichloride solution and 1% iron potassium cyanide water solution equivalent mixtureThe corresponding position of the standard speckle appears blue-purple spots, compared to the standard medicinal spots, the corresponding position shows the same color spots(2) take the above three liquid s10 sl, respectively, point on the same silicone H-CMC board, to ethyl acetate-acetate-water-methanol (7:2:3:0.4) to expand, under daylight inspection, the corresponding position of the label spots show the same color spots" Dry weightlessness: No more than 6.0% (Appendix IX.G)burning residue: Not more than 0.8% (Appendix IX J Heavy metals: no more than 10ppm (Appendix IX.E) (content determination) according to high-efficiency liquid chromatography (appendix VI D) to determine chromatography conditions C18 pillar flow phase: A for 2% acetic acid, B for ethyl acetate (21:3) gradient elution detection wavelength: 280nm flow rate: 0 8ml/min bar temperature: 40C-style"text-align: center; " img alt" "tea pigment" src"/uploads/allimg/161111262120292J.jpg" style"style"width: 470px; Height: 124px; . function: blood lipid reduction, anti-atherosclerosis, anticoagulant, improve microcirculation, antioxidant, anti-aging, enhanced immunity, anti-caries, anti-cancer storage is cool, dry and light-proof
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