Three-white herthal alcohol lift

Extraction source: three white grass plant saururus chinensis (Lour.) BaillWhole grass ethanol reflux extracted from the alcohol-lift dry powderthe character of this product is dark green to black brown powder, the active ingredient seofa soluble in methanol, ethanol, ethyl acetate"Identification" take this product with methanol to make 5% solution for test ingeTake the standard control of three white grass herbs 1.0g with methanol 30 ml, ultrasonic extraction for 30 minutes, the filter concentrates to 1 ml of control fluidTake the above two liquid each 10 sl, respectively, point on the same silicone G board, a point three board(1) unfolded with petroleum ether-acetone (5:3) and UV lamp 365nm(2) to toluene-ethyl acetate-to-toxarate-water (1:8:1:1) upper layer, spray 5% aluminum trichloride ethanol solution, UV lamp 365nm inspection(3) to positive butanol-acetic acid-water (4:1:5) to expand, sprayed 0.5% of the tridone solution, the hot wind showedmore than three plates, fluorescent spots and visible spots corresponding rate of 80%Starch: No positive reaction (Appendix II)Moisture: No more than 5.0% (Appendix IX.H)Ash: No more than 4.0% (Appendix IXK)Heavy Metals: No more than 10ppm (Appendix IX.E)Arsenic Salt: No more than 2ppm (Appendix IX)F)for dating: no more than 2.0% (Appendix IV) methanol residue: not more than 0.001% (Appendix IX.T) (Leaching) according to the alcohol-soluble leaching method (Appendix XA) under the thermal leaching method, leaching rate is not less than 92% function to lower blood sugar and resist coagulation storage is cool, dry and light-proof