Competitive Price for Soya Isoflavone Extract - White Willow Bark Extract – Ruiwo
Competitive Price for Soya Isoflavone Extract - White Willow Bark Extract – Ruiwo Detail:
Product Description
Product Name: White Willow Bark Extract
Category: Plant Extracts
Effective components: Salicin
Product specification: 98%
Analysis: HPLC
Quality Control: In House
Formula: C13H18O7
Molecular weight: 286.28
CAS No: 138-52-3
Appearance: white crystal powder
Identification: Passes all criteria tests
Product Function: White Willow Bark Powder help reduce pain, reduce fever, anti-inflation.
Storage: keep in cool and dry place, well-closed, away from moisture or direct sunlight.
Certificate of Analysis
Product name |
Salicin |
Botanical Source | White willow (Salix) bark |
Batch NO. |
RW-SA20210507 |
Batch Quantity | 1000 kgs |
Manufacture Date |
May 3. 2021 |
Expiration Date | May 9. 2021 |
Solvents Residue |
Water&Ethanol |
Part Used | Bark |
ITEMS | SPECIFICATION | METHOD | TEST RESULT |
Physical&Chemical Data | |||
Color | White | Organoleptic | Conforms |
Ordour | Characteristic | Organoleptic | Conforms |
Appearance | Crystal Powder | Organoleptic | Conforms |
Analytical Quality | |||
Assay(Salicin) | ≥98% | HPLC | 98.16% |
Loss on Drying | 5.0% Max. | Eur.Ph.7.0 [2.5.12] | 2.21% |
Total Ash | 5.0% Max. | Eur.Ph.7.0 [2.4.16] | 1.05% |
Sieve | 100% pass 80 mesh | USP36<786> | Conforms |
Solvents Residue | Meet Eur.Ph.7.0 <5.4> | Eur.Ph.7.0 <2.4.24> | Conforms |
Pesticides Residue | Meet USP Requirements | USP36 <561> | Conforms |
Heavy Metals | |||
Total Heavy Metals | 10ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Lead (Pb) | 2.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Arsenic (As) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Cadmium(Cd) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Mercury (Hg) | 0.5ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Microbe Tests | |||
Total Plate Count | NMT 1000cfu/g | USP <2021> | Conforms |
Total Yeast & Mold | NMT 100cfu/g | USP <2021> | Conforms |
E.Coli | Negative | USP <2021> | Negative |
Salmonella | Negative | USP <2021> | Negative |
Packing&Storage | Packed in paper-drums and two plastic-bags inside. | ||
N.W: 25kgs | |||
Store in a well-closed container away from moisture, light, oxygen. | |||
Shelf life | 24 months under the conditions above and in its original packaging. |
Application of Salicin
1. White Willow Bark Extract Powder has been used for centuries as a pain reliever.
2. White Willow Powder as an alternative to aspirin, particularly those that experience chronic headaches or back pain.
Product detail pictures:

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