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Extracted Source: This product is the's Xu Changqing Cynanchum Panicutatum (Bge.) Kitag.the root water frying extracted water lift dry powder
" this product is light brown to sepia powder, the active ingredient can be dissolved in methanol, ethanol, acetone
"Identification" take this product plus methanol to make 5% solution for test solutionTake Xu Changqing standard control medicine 1.0g heated water 40 ml, 80 degrees C ultrasound extraction for 30 minutes, the filtrate steamed dry, residual residue plus methanol 1 ml dissolved as a control liquidTake the above two liquids each 10 sl, respectively, point in the same silicone G board, point three boards at a time
(1) to cyclo-hexane-chloroform-acetylated ester (10:2:0.8), spray 10% sulphate ethanol solution, hot air blowing, UV lamp 365nm and daylight inspection
(2) to chloroform-methanol-water (6:4:0.3), spray 10% sulphate ethanol solution, hot wind blowing, UV lamp 365nm and daylight inspection
(3) with chloroform-acetone-foreacid (7:2:1) spread, spray5% vanilla aldehyde sulphate ethanol solution, hot wind
above three plates, fluorescent spots and visible spots corresponding rate of up to 80%
" Check" Moisture: Not over 5.0% (Appendix IXH)
Ash: Not over 5.0% (Appendix IXK)
Heavy Metals: No 10ppm (Appendix IXE)
Arsenic Salt: No 2ppm (Appendix IXF)
Seginto: No 2.0% (Appendix IV.)
anti-bacterial, anti-spasms, sedation, lower ingestion of blood pressure, improve myocardial metabolism
"storage" cool, dry, to avoid light