White willow glycoside

Extractsource source: This product is the willow plant red-skinned willow Salix purpurea Linn, white willow Salix alba Lleaf extracted glycosides, the total glycoside content is not less than 80%main ingredients: salicylicin, content: 50%p style"text-style"text-center;" "img alt" "white willow glycoside" src"/uploads/allimg/1611/1-16110512315V222.jpg"style""style" Height: 144px;sic) salicortinsalicortinsalicortincontent: 30%.s characters, this product is a white-to-pale yellow crystalline powder, taste bitter, slightly astringent, soluble in methanol, ethanol, hot water, pyridine, ice acetic acid"Identification" take this product with methanol to make 0.5% solution for test ingeThe water-taking glycoside standard with methanol is made into a 1mg/ml solution for controlTake the white willow skin standard control medicine 0.5g with methanol 5 ml, ultrasonic vibration lift 10 minutes, filtration, as control liquidTake the above three liquids each 10 sl, respectively, point on the same silicone G board, to chloroform methanol-water (6:4:0.3) to expand, spray 20% sulfuric ethanol solution, hot wind, the corresponding position appears the same color spots, and the corresponding rate of speckle is greater than 80%" 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 C18 column flow phase: acetylene 0.1% phosphoric acid (5:95) detection wavelength: 280nm flow rate: 1 ml / minute the theoretical plate number of 2200 control fluid: semen-in-water glycosine standard 15mg, methanol dissolution, fixed at 10 for test ingest: refined this product 30mg, methanol dissolved, set at 10 ml the determination of the method of seisbuthyrinization: take the above two liquid 10 sl, respectively, injected into the liquid chromatography, the outer standard calculation, and salicysideine to calculate the total glycoside content function: anti-heat, analgesic, anti-inflammatory storage is sealed, dry, light-proof, and cool