The organic acid of the oxabenic

Extraction source: This product is an organic acid extracted from the roots of the umbrella-shaped plant , Ligusticum Ligusticum, Ligusticum jeholense(Main Ingredients) Aveacid Ferulic acid, content: 60% "style"text-style"text-center; "img alt" "Src"/uploads/allimg/1612/1-1612GK03B26.style"style: "255px"; Height: 133px;Caffeic acid4 hydroxyl benzoic acid 4-Hydroxybenzoic acidoriginal jaundice acid Protocatechuic acidcontent: 20%.s) This product is white to pale yellow powder, soluble in methanol, ethanol, alkali, ethyl acid"Identification" take this product with methanol to make 0.5% solution for test ingeTake the standard aweic acid, coffee acid, raw tea acid and other methanol to make the content of each ingredient is 1 mg / ml solution for controlTake this standard control of 1.0g with methanol 10 ml, ultrasonic extraction for 20 minutes, the filter concentrates to 1 ml for controlTake the above three liquid s10 sl, respectively, point on the same silicone G board, to chloroform-benzene-methanol (2:2:0.6) to expand, spray iron trichloride iron iron iron potassium cyanide test liquid, the corresponding position of the standard spot 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 0.5% (Appendix IXJHeavy metals: no more than 10ppm (Appendix IX.E)(content determination) according to the high-efficiency liquid chromatography (appendix VID) to determinechromatography conditions C18 columnflow phase: methanol-water (40:60) (phosphate pH 3 5)detection wavelength: 320nmtheory plate number of 2500for test fluid: Take this product with methanol to make a 30 sg/ml solution backupthe determination method: take the above two liquid 10 sl each, inject the liquid chromatography meter to determine, and calculate the total organic acid content" function" antibacterial, analgesic, lower blood pressurestorage is cool, dry and light-proof