Vine tea flavonoids

Extractsource: This product is a flavonoid extracted from the leaves of the grape plant ampelopsisismega Zophylla Diels et Gilg,, with a total flavonoid content of more than 80%main ingredients: Yang Meyrin Myricitrin, content: 40%p style"text-style": center; " img alt" "align tea flavonoids" src"/uploads/allimg/1702/2-1F2021J5045Z.jpg"style" Height: 182px; ." ..) Yangmeepin MyricetinDihydromyricetinQuercetinQuercetinContent: 40%.the character is a yellow to brownyellow powder, soluble in methanol, ethanol, acetone, pyrite"Identification" take this product plus 80% methanol to make 0.5% solution for test ingressTake the standard product Yangmegin, Yangmeflin, dihydromelysin and other 80% methanol to make each containing 0.5mg /ml solution for controlThe standard control of rattan tea 1.0g plus 80% methanol 30 ml, ultrasonic extraction 30 minutes, filter steaming dry, residue plus 80% methanol 1 ml dissolved as a control liquidTake the above three liquids each 5 sl, respectively, point on the same silicone G board, to chloroform-methanol-mlicic acid (20:5:2), spray 5% aluminum tetrachloride ethanol solution, UV lamp 365nm 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 0.2% and appendix IX.J)heavy metals: no more than 10 ppm (Appendix IX.E)"Content Measurement" according to the high-efficiency liquid chromatography (Appendix VI D) determination chromatography condition C18 column flow phase: acetylene 0.5% phosphoric acid (14:86) detection wavelength: 352nm The number of theory boards is 2000 control fluid: take yangmegcoside standard and 60% ethanol to make a 40 sg/ml solution backup test fluid: Take this product plus 60% ethanol to make a backup of 80 sg/ml solution the determination method: take the above two liquid 10 sl, inject the liquid chromatography to determine, and calculate the total flavonoid content function: lower blood lipids, lower blood sugar, reduce blood viscosity, lower blood pressure, anti-aging, heat, wet, live blood, pain relief, antibacterial, anti-inflammatory, cough, sputum storage is cool, dry and light-proof