Factory delivery Polygonum cuspidatum extract CAS 518-82-1 Emodin Powder
Emodin scientific name "1, 3, 8-trihydroxy-6-methylanthraquinone". Molecular formula C15H10O5. Molecular weight 270.24. It exists in the rhizomes and roots of Rhubarb palmatophyllum, Rhubarb, Tanggu Macrophylla of Polygonaceae in free and glycoside form. Orange crystal. Melting point 256 ~ 257ºC. Capable of vacuum sublimation (1,600Chemicalbook pa). Soluble in ethanol, sodium hydroxide, sodium carbonate, ammonia aqueous solution, slightly soluble in ether, chloroform, carbon tetrachloride, benzene, almost insoluble in water. Its triacetate is yellow crystal, melting point 197ºC. Its 3-methyl ether (also known as emodin methyl ether) is a dark red acicular crystal with a melting point of 207 ° C. It can be extracted from plants or synthesized chemically.
| Product name |
Emodin |
| Plant sources |
Polygonum cuspidatum extract |
| Apperance |
Brown yellow powder |
| Specification |
50% 95% 98% |
| Test method |
HPLC/UV |
| Shelf time |
2 years,keep away sunlight, keep dry |
Emodin is a kind of natural compound extracted from Chinese herbs such as rhubarb and knotrod. It has many pharmacological effects such as anti-inflammatory, antiviral and anti-tumor
Application: cosmetics, health care products, Chinese veterinary medicine and feed additives
| Items |
Specification |
Result |
| Polygonum emodin |
50% - 98% |
98.02% |
| Organoleptic |
|
|
| Appearance |
Fine Powder |
Conforms |
| Color |
Brown yellow |
Conforms |
| Odor |
Characteristic |
Conforms |
| Taste |
Characteristic |
Conforms |
| Drying Method |
Vacuum drying |
Conforms |
| Physical Characteristics |
|
|
| Particle Size |
NLT 100% Through 80 mesh |
Conforms |
| Loss on Drying |
<=12.0% |
10.60% |
| Ash (Sulphated Ash) |
<=0.5% |
0.16% |
| Total Heavy Metals |
≤10ppm |
Conforms |
| Microbiological Tests |
|
|
| Total Plate Count |
≤10000cfu/g |
Conforms |
| Total Yeast & Mold |
≤1000cfu/g |
Conforms |
| E.Coli |
Negative |
Negative |
| Salmonella |
Negative |
Negative |
| Staphylococcus |
Negative |
Negative |
| Weight |
Packing method |
| 1kg |
bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs,25kg or more |
by Drums or carton (3 layers plastic bag inside) |
| Weight |
Delivery mothod |
Delivery time |
Destination |
| 1kg-25kgs |
EMS,DHL,UPS,Fedex,TNT |
3-7days |
Door to door |
| 25kgs-100kgs |
DHL,FedEx,by Air |
3-7days |
Door to door
(to Airport by Air) |
| more than 100kgs |
by Air |
3-7days |
Door to Airport |
| by Sea |
10-35days |
Door to port |
1. How do you confirm product quality before order?
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
2. Can i get free samples?
Yes, Free samples 1-30grams available based on product value.
3. How long can i get my order?
Usually, the order will send within 1-3days after payment.
Shipping can by International Express(3-8days), by Air(3-5days), by Sea(8-35days) based on quantity and destination, or by your forwarder.
4. How is your customer service?
We provide 24-hour online service by Made in China, or by email, Skype, Whatsapp, telephone.
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