-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
-
Cosmetic Ingredient
- Water Treatment Chemical
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
Extracted Source: Horse Whip grass plant phewere Vitei Negundo L.var.cannabi foLia (Sieb.et Zucc.) Hand.Mazz.The leaf water-fried extracted water lift dry powder
" this product is green yellow to sepia powder, the active ingredient can be soluble in methanol, ethanol, acetone
"Identification" take this product plus methanol to make 5% solution for test solutionTake the peony leaf standard control medicine 1.0g heated water 40 ml, 80 degrees C ultrasound extraction for 30 minutes, the filtrate steamed dry, residue plus methanol 1 ml to dissolve as a control liquidTake the above two liquids each 10 sl, respectively, point in the same silicone G board, point two boards at a time
(1) with ethyl acetate-acetone-ice acetic acid-water (8:4:0.3:1), sprayed 5% aluminum trichloride ethanol solution, under uv light 365nm
(2) to chloroform-methanol-water (40:8:1), spray 10% sulphate ethanol solution, hot wind
above the two plates, fluorescent spots and visible spots corresponding rate of up to 80%
"Check" Starch: No positive reaction (Appendix II)
Moisture: No over 6.0% (Appendix IXH)
ash: not more than 5.0% (Appendix IXK)
Heavy Metals: No over 10ppm (Appendix IXE)
Arsenic Salt: No 2ppm (Appendix IXF)
Dextrin: No 2.0% (Appendix IV))
"Leaching" "Infiltration" under the hydrolytic leachate determination (Appendix X A) thermal immersion determination, not less than 93%
"function" antibacterial
"storage" cool, dry, to avoid light
