| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Non-Customized |
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Description of Stigmasterol
Stigmasterol is one of a group of plant sterols, or phytosterols, that include β-sitosterol, campesterol, ergosterol (provitamin D2), brassicasterol, delta-7-stigmasterol and delta-7-avenasterol, that are chemically similar to animal cholesterol. Phytosterols are insoluble in water but soluble in most organic solvents and contain one alcohol functional group.
Specification of Stigmasterol
|
Items |
Specifications |
Results |
|
Appearance |
white powder |
white powder |
|
Identification |
Infared Absorption |
Complies |
|
The retention time of the major peak in the chromatogram of the Assay prepration corresponds to that in the chromatogram of the standard preparation, as obtained in the assay |
complies |
|
|
Specific rotation |
Between -28.6°and -35.0°, measured at 20° |
-32.8° |
|
Water |
not more than 0.5% |
0.12% |
|
residue on ignition |
not more than 0.2% |
0.11% |
|
Heavy metals |
not more than 0.001% |
complies |
|
related compounds by HPLC(Test1) |
Fructose not more than 0.3% Compound A not more than 0.3% Other individual impurity not more than 0.1% Total impurities not more than 0.5% |
Fructose: 0.03% Compound A: 0.04% Total impurities: 0.07% |
|
Particle size |
90% less than 350 microns |
complies |
|
Limit of sulfamate and sulfate |
Sulfamate ion not more than 0.10% Sulfate ion not more than 0.10% |
complies |
|
Residual Solvent |
Methylene Chloride not more than 250μg/g |
not detected |
|
Acetone not mor than 2500μg/g |
||
|
Isopropanol not more than 5000μg/g |
||
|
Ethanenitrile not more than 400μg/g |
||
|
n-hexane not more than 290μg/g |
||
|
Ethyl Acetate not more than 2500μg/g |
||
|
Pyridine not more than 100μg/g |
||
|
Assay |
Topiramate contains not less than 98.0% and not more than the equivalent of 102.0% of C12H21NO8S, calculated with reference to the Anhydrous Basis |
99.80% |
|
Conclustion |
The material complies with respect to USP32 |
|
Main Function of Stigmasterol:
1) Stigmasterol powder can cure acute appendicitis,conjunctivitis,tonsillitis,bronchitis
2) cure Urinary infection with difficult painful urination; edema in acute nephritis
3) reduce the heat in blood and diuresis.
4) Stigmasterol powder Cure eczema,skin diseases,as its bitter taraxacin,stimulates salivation
and secretion of digestive glands.
Advantage
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
9. After-Sale Service:
(1) International Authorized Third-Party Test For The Products You Demand.
(2) 60 Days Warranty of quality of goods.
|
Shipping Terms |
||
|
By Express |
By Air |
By Sea |
|
Suitable for under 50kg Fast: 3-7 days High cost Door to door service, easy to pick up the goods |
Suitable for more than 50kg Fast: 3-7 days High cost Port to port, professional broker needed |
Suitable for more than 500kg Slow: 7-45 days Low cost Port to port, professional broker needed |
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
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