Low-earth tea-scented zucane

Extract source: This product is purple taud plant Purple Taurus Ardisia japonica (Thunb.) Blume's whole grass-derived coones, with a total coucan content of up to 80%main ingredient: Iwacabbage Bergenin, content: 60%p style"text-align: center; " simg alt""short tea-zumco-zutry" src"/uploads/allimg/1611/2-1610316192c311192c31.jpg" style:"width""width"280px;" Height: 196px;.""Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard grade rock cabbage, rock cabbage, purple taunol and other methanol to make each containing 1mg / ml solution for controlTake short tea standard control of 1.0g methanol 30 ml, ultrasonic extraction for 30 minutes, the filter concentrate to 1 ml, as a control liquidTake the above three liquids each 5 s1, respectively, point on the same silicone G board, to dichloromethane ethyl-methanol (5:4:2) to expand, spray 1% iron chloride solution -1% iron-acid potassium cyanide solution (1:1) mixture (pro-new), the corresponding position of the standard species speckle appears the same color, 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 S18 columnflow phase: methanol-water (20:80)detection wavelength: 275nm the theoretical plate number of 1500control liquid: take the rock cabbage standard, with methanol to make a 50 sg/ml solution backupthe test solution: take this product with methanol to make a 100 sg/ml solution backup the determination method: take the above two liquid 5 sl each, inject the liquid chromatography meter to determine, and calculate the total content of coonets the function of coughing, sputum, flat wheezing storage is cool, dry and light-proof