Pre-car flavonoids

Extract source: This product is the flavonoid extracted from the seeds of Plantago depressa Willd., the former Plantago Asiatica Lflat car, with a total flavonoid content of not less than 80%main ingredients the front of the car plantagoside, content: 50%p style"text-align: center" and "img alt" "front flavonoids" src"/uploads/allimg/1611/2-16111101R455Z66.jpg"style""style""width:"width""width"""width"""""""""""""""""""""""""""/uploads/allimg/1611/2-161111111111R45Z66.jpg"style""style""width"width""width""width"""""""""""""""uploads/allimg/1611111-R455Z6.jpg"style"""width"""width""""""""""""""""""""""""""""""""""""""""""""""""""""Height: 241px" and"With Ingredients" pre-car flavonoids Plantagin high car front phenomenosin celery ketin Apigenincontent: 30%.s" this product is a pale yellow to tea yellow powder, soluble in methanol, ethanol, acetate, pyrethroid, dimethylestereamide"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard car front subside, high car front sideside, car front flavonoid slygly glycol to make each component content of 1 mg/ml solution for controlBefore taking the car standard control of 2g methanol 20 ml, ultrasonic vibration lift 30 minutes, filtration, evaporation to 1 ml of control fluidTake the above three liquid each 10 sl, respectively, point on the same silicone G board, one point two platesA plate is expanded with benzene-pyridine-toxic acid (3.6:9:5), pre-saturation 20 minutes, blow-dryed under the UV lamp, the corresponding position of the label spots appears the same color spotsAnother plate with water-saturated positive butanol -ice acetic acid - water (9:2:1) to expand, before expansion still need to saturate 20 minutes, blow dry after spraying 10% sulfuric acid ethanol solution, hot wind, than the standard medicinal spots, the corresponding rate of 60%" Dry weightlessness: No more than 5.0% (Appendix IX.G)Burning Residue: No more than 0.8% (Appendix IX.J)Heavy Metals: No more than 10ppm (Appendix IXE) "content determination" according to the high-efficiency liquid chromatography (appendix VI D) to determine the chromatography condition S18 column mobile phase: methanol-water-ice acetic acid (40:60:0.5) detection wavelength: 288nm standard curve: pick-up Pre-subside standard with methanol to make 0.1mg/ml solution, take this solution 4 sl, 8 ?l, 12 ?l, 16 sl, 20 sl injection liquid chromatography assays, to area to map the concentration, regression equation: Y-2 764 x l06 X.904 x 10 5 sample determination: take this product with methanol to make 0.2 mg/ml solution, take 10 sl injection liquid chromatography, and calculate the total flavonoid content the function of coughing, sputum, high blood pressure storage is cool, dry and light-proof