Description
B2B BUYER ANSWER
White Willow Bark Extract Powder 3% Salicin
LongBio supplies Salix alba bark extract powder standardized to 3% salicin. Buyers can review the stated assay method, botanical identity, specification limits and current offered-lot COA before supplier qualification.
Buyer resources: compare specifications · review test methods · quality evidence
COA-Backed Specification
| Botanical identity | Salix alba |
|---|---|
| Plant part | Bark |
| Form and colour | Fine brown powder |
| Assay | Salicin >=3% by HPLC; result 3.25% |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=7.0%; result 5.82% |
| Ash | Acid-insoluble ash <=5.0%; result 4.25% |
| Representative batch | LXBLP201018 |
| Manufacture date | 19 October 2020 |
| 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 >=3% by HPLC; result 3.25%, 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 3% Salicin is qualified using botanical identity: Salix alba; plant part: Bark; offered grade: Salicin >=3% by HPLC; result 3.25%. Its purchasing definition is anchored to Salicin >=3% by HPLC; result 3.25%; 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 LXBLP201018 supports the specification table above. Confirm current batch results before release; the representative record remains supporting context rather than a shipment guarantee.
Frequently Asked Questions
What specification defines White Willow Bark Extract Powder 3% Salicin?
For White Willow Bark Extract Powder 3% Salicin: Salicin >=3% by HPLC; result 3.25%.
What botanical details should buyers match?
For White Willow Bark Extract Powder 3% Salicin: Use Salix alba, Bark as the identity checkpoint, then confirm that the sample and commercial documents describe the same material.
Which batch document controls shipment approval?
For White Willow Bark Extract Powder 3% Salicin: The page cites representative batch LXBLP201018. Use it as an example of the tested grade, not as the release record for a future shipment.
When should buyers request the current COA?
For White Willow Bark Extract Powder 3% Salicin: Request the current COA before issuing approval so the offered lot can be checked against the agreed identity, grade and limits.
Which controls should be reviewed for this grade?
For White Willow Bark Extract Powder 3% Salicin: Technical acceptance should cover identity, grade-defining data, physical quality and the safety tests required for the intended market.
What supply details require quotation-stage confirmation?
For White Willow Bark Extract Powder 3% Salicin: The quotation should state the applicable MOQ, pack format and lead time after current inventory and testing needs are reviewed.
Can selected physical attributes be discussed?
For White Willow Bark Extract Powder 3% Salicin: Discuss pack format and relevant physical parameters before quotation; feasibility and any MOQ effect are confirmed for the exact request.
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