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Product Name: white willow bark extract
white willow bark extract source: The active extract of the bark, called salicin, after the Latin name Salix, was isolated to its crystalline form in 1828 by Henri Leroux, a French pharmacist, and Raffaele Piria, an Italian chemist, who then succeeded in separating out the acid in its pure state. Salicylic acid, like aspirin, is a chemical derivative of salicin.
white willow bark extract introduction:White Willow Bark contains salicin, which the body converts to salicylic acid and has the same effect on the body as aspirin without any of the side effects. In fact, White Willow Bark was the basis for the synthesis of aspirin. History of usage of White Willow Bark goes back as far as 500 BC when ancient Chinese healers began using it to control pain. Native Americans also discovered the value of the Willow tree for relieving pain from headaches and rheumatism and reducing fevers.
Appearance: yellow to off white powder
Active ingredient: salicin
white willow bark extract specifications: Salicin: 15%~98% HPLC
Test By: HPLC
white willow bark extract Main benefits:The benefits of White Willow Bark today are that it is an anti-inflammatory, a fever reducer, an analgesic, an anti-rheumatic, and an astringent. Specifically, it helps to relieve headaches; Helps to ease pain associated with inflammatory conditions like rheumatism, arthritis, and carpal tunnel syndrome; And helps to control fevers.
white willow bark extract specification
|
Item |
Specification |
Result |
Method |
|
Maker Compounds |
NLT25% Salicin |
25.61% |
HPLC |
|
Organoleptic |
|
|
|
|
Color |
Brown |
Conforms |
Visual |
|
Method of Extraction |
Hydro-alcoholic |
Conforms |
|
|
Part Used |
Bark |
Conforms |
|
|
Drying Method |
High Temperature&Pressure |
Conforms |
|
|
Appearance |
Fine Powder |
Conforms |
Visual |
|
Extract solvent |
Ethanol & Water |
|
|
|
Excipient |
None |
Conforms |
|
|
Taste |
Characteristic |
Conforms |
Organoleptic |
|
Odor |
Characteristic |
Conforms |
Organoleptic |
|
white willow bark extract Microbiological Tests |
|
|
|
|
Staphylococcus |
阴性Negative |
Negative |
AOAC |
|
Salmonella |
阴性Negative |
Negative |
FDA(BAM)Chapter5.8 th Ed |
|
Total Plate Count |
≤1000cfu/g |
135cfu/g |
AOAC990.12,16 th |
|
E.Coli |
阴性Negative |
Negative |
AOAC975.55,16 th |
|
Total Yeast & Mold |
≤100cfu/g |
25cfu/g |
FDA(BAM)Chapter18.8th Ed |
|
white willow bark extract Physical Characteristics |
|
|
|
|
Loss on Drying |
≦5.0% |
3.1% |
GB/T12531-1990 |
|
Solvent Residue |
Ethanol |
Conforms |
|
|
Ash content |
≦5.0% |
2.6% |
AOAC942.05,17th |
|
Particle Size |
NLT100%Through 80 mesh |
Conforms |
GB5507-85 |
|
Bulk Density |
50-60g/100ml |
52.5g/100ml |
|
|
white willow bark extract Heavy metals |
|
|
|
|
Lead |
≤2ppm |
Conforms |
GB/T5009.12-1996 |
|
Arsenic |
≤2ppm |
Conforms |
GB/T5009.11-1996 |
|
Total Heavy Metals |
≤20ppm |
Conforms |
CP2000附录IXE |
|
white willow bark extract Pesticide Residue |
|
|
|
|
666 |
<0.2ppm |
Conforms |
GB/T5009.19-1996 |
|
DDT |
<0.2ppm |
Conforms |
GB/T5009.19-1996 |
