Silver Chai Hu water picket
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Last Update: 2020-06-12
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Source: Internet
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Author: User
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Extraction source: This product is a dry powder of water from the root water frying of the stone bamboo plant the silver chaihu Stetlaria dichotoma L.var.lanceolata Bgcharacter" this product is light brown to sepia powder, the active ingredients are soluble in methanol, ethanol, acetone"Identification" take this product with methanol to make 5% solution for test ingeTake silver Chaihu standard control of 1.0g of heated water 40 ml, 80 oC ultrasound extraction 30 minutes, the filter steamed dry, residue plus methanol 1 ml dissolved as a control liquidTake the above two liquid each 10 sl, respectively, point on the same silicone G board, a point three board(1) to benzene-ethyl acetate (100:20) to expand, spray 10% sulfuric ethanol solution, hot wind(2) to xylene-ethyl ethyl-methanol-micacid (10:3:1:2) to expand, UV lamp 365nm inspection(3) unfolded with chloroform-methanol-water (6:4:0.3) and sprayed 10% ethanol sulfate solution, the hot wind blewmore 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 salts: No more than 2ppm (Appendix IX.F)dextrin: No more than 2.0% (Appendix IV)Leaching)asopert (Appendix X A)function to deheatstorage is cool, dry and light-proof
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