-
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
"Extracting Source" This product is the umbrella-shaped plant the root of the Ofkawakawa, Ligusticumxiong chuan Hortthe volatile oil, the total volatile oil content of the total volatile oil content of up to 80%
"Main Ingredients" , Ligustilide, , content: 60%
p style"" "text-aligned" src"/uploads/allimg/1611/2-16111G009318.jpg style" "text-aligned" Height: 133px" and "" sabinene Sabinene
3-butylphitalide
beta-celerene beta-Selinene
Yangchuan enester Senkyunolides
content: 20%
""The character" is a pale yellow to brown yellow clarification, transparent liquid, mixed with petroleum ether, ethyl ether, ethyl ether, ethyl , acetone, ethanol, ethyl acetate
"Identification" take this product plus ethyl acetate to make 0.5% solution for test solutionTake the standard products such as ben ester, Yokawa eeste A, and add ethyl acetate to make each ingredient content of 0.1mg/ml solution as a control solutionTake Sichuan standard control medicine 0.5g plus petroleum ether 5 ml, ultrasonic vibration for 30 minutes, filter, steam dry, plus ethyl acetate 1 ml dissolved as a control liquidTake the above three liquids each 10 sl, respectively, point in the same silicone GF254, plate, to positive hexane-ethyl ethyl (3:1) to expand, under the UV lamp 254nm inspection, the corresponding location of the label spot shows the same color spots, compared to the standard medicinal spot, the corresponding rate of 80%
"Check" fat oil: take this product lg plus ethanol 10 ml, shake well placed, no oil drips out
heavy metals: not over 10 ppm (Appendix IXE)
"Content Determination" photogastography (Appendix VIE) Determination of
chromatographic conditions HP-5 column 30m x 0.25mm
column temperature: program heating: 120C (2min), 20C/min - 240C (2 min)
Gasification chamber temperature: 280C
Test chamber temperature: 280c
standard curve take The 13.4mg of the eestised product is in a 10 ml bottle, dissolved with dichloromethane, fixed, diluted to 1340 ng/ml, 804 ng/ml, 402ng/ml, 134ng/ml, 13.4ng/ml, 1.34 ng/mlThe control liquid is taken separately: each 1.0 ?l sample measurement, with the concentration ng/ml as the horizontal coordinate, to the area of the ordinate mapping, regression equation:
Y ? 870000X , 896.7
sample determination: take this product with dichloromethane made into 146 ng/ml
test fluid: extract 1 sl injection gas chromatography assays
Volatile Oil Determination: (Appendix X D) Assay
anti-brain ischemia, anti-thrombosis, sedation, heat relief, and spasm relief
"storage" seal, to avoid light, cool