Tiger ear grass glycosides
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Last Update: 2020-06-12
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Source: Internet
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Author: User
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Extract source: This product is tiger eargrass plant tiger eargrass Saxifraga sto10ni era Curtwhole grass extracted glycoside ingredients, total glycoside content of 80%main ingredient: Bear Gosio Arbutin, content: 60%p style"text-style:center; "img alt" "tiger ear glycoside" src"/uploads/allimg/1612Q60U1145.style"style: "285px"; Height: 152px;"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard bear fruit glycoside, high bear glycoside, crystal blue glycoside, kidney leaf deer hoof hertin and other methanol to make the composition content of 1 mg / ml solution for controlTake the standard control of tiger ear grass 1.0g with methanol 10 ml, ultrasound extraction for 20 minutes, the filter concentratetod to 1 ml of control fluidTake the above three liquid each 10 sl, respectively, point on the same silicone G board, a point three board(1) is expanded by ethyl acetate-methanol-water (20:3.4:2.7) and iodine vapor is colored(2) is expanded by chloroform-methanol-water (6:4:0.3) and sprayed with 20% sulfuric ethanol solution, which is blown by the hot wind(3) unfolded with positive butanol-ice acetic acid-water (7:1:2) and sprayed 5% iron tetrachloride ethanol solutionthe above three plates, the corresponding position of the standard speckle appears the same color 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 0.6% (Appendix IX.J)Heavy Metals: No more than 10ppm (Appendix IXE)content determination" according to the thin layer chromatography scanning method (appendix VI B) to determine the thin layer conditions thin layer plate: silicone G board expander: ethyl acetate-methanol-water (20:3.4:2.7) color rendering agent: iodine vapor scanning condition s: ss s 290nm R 370nm for test fluid: take this product with methanol to make a 4mg/ml solution backup the determination: take the control fluid: 1 ?l, 2 ?l, for test inge: 2 ?l, cross point on the same thin layer plate, unfold, color display, fixation, scan, calculate, and calculate the total glycoside content the function of coughing, sputum, panting, anti-infection, antioxidant storage is cool, dry and light-proof
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