Description
COA-BACKED BOTANICAL INGREDIENT
Salix alba Bark Extract
White Willow Bark Extract Powder 15% Salicin is presented for B2B ingredient qualification using representative batch evidence and batch-specific analytical language.
COA-Backed Specification
| Botanical identity | Salix alba |
|---|---|
| Plant part | Bark |
| Form and colour | Fine yellow-brown powder |
| Assay | Salicin >=15% by HPLC; result 15.08% |
| Particle size | 100% through 80 mesh |
| Loss on drying | <=5.0%; result 3.87% |
| Ash | <=5.0%; result 4.02% |
| Representative batch | LXSYD20191112 |
| Manufacture date | 12 November 2019 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Compare this standardised grade by Salicin >=15% by HPLC; result 15.08%, the stated method and the offered-lot result; raw material and ratio extracts are different purchasing specifications.
- Evaluation sample typically 10-20 g
- Regular MOQ typically 1 kg
- Typical lead time 7-15 working days
How This Grade Differs
White Willow Bark Extract Powder 15% Salicin is qualified using botanical identity: Salix alba; plant part: Bark; offered grade: Salicin >=15% by HPLC; result 15.08%. Its purchasing definition is anchored to Salicin >=15% by HPLC; result 15.08%; alternatives must be compared on marker target and analytical basis.
Compare these related grades before approval:
- White Willow Bark Extract Powder 98% Salicin
- White Willow Bark Extract Powder 25% Salicin
- White Willow Bark Extract Powder 30% Salicin
For a substitution review, compare botanical identity, plant part, assay target, analytical method, physical form and the current offered-batch COA.
Quality and Documentation
Representative batch LXSYD20191112 supports the specification table above. Current lot evidence and buyer-defined verification govern acceptance of the commercial shipment.
Frequently Asked Questions
What specification defines White Willow Bark Extract Powder 15% Salicin?
For White Willow Bark Extract Powder 15% Salicin: Salicin >=15% by HPLC; result 15.08%.
How should the botanical identity be checked?
For White Willow Bark Extract Powder 15% Salicin: Qualification starts with Salix alba, Bark. The product name alone is not sufficient when species, plant part or grade differs.
How should sample and shipment records be matched?
For White Willow Bark Extract Powder 15% Salicin: The page cites representative batch LXSYD20191112. The sample, quotation and shipment COA should be traceable to the grade actually offered.
How can the offered grade be checked before purchase?
For White Willow Bark Extract Powder 15% Salicin: Yes. The commercial review should use the COA for the lot being offered, together with the matching quotation and specification.
What evidence supports technical acceptance?
For White Willow Bark Extract Powder 15% Salicin: Review identity and Salicin >=15% by HPLC; result 15.08% together with the listed physical tests and applicable contaminant and microbiological limits.
What can change the quoted lead time?
For White Willow Bark Extract Powder 15% Salicin: Commercial timing is finalised after quantity, packaging, document set and any additional testing have been agreed.
Can buyers request an alternative pack configuration?
For White Willow Bark Extract Powder 15% Salicin: Application-specific requests require technical review. Approved changes should be documented rather than treated as an informal substitution.
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