Description
COA-BACKED BOTANICAL INGREDIENT
Hypericum perforatum L. Whole herb Extract
St John's Wort Extract Powder 0.3% Standardized Assay is presented for B2B ingredient qualification using representative batch evidence and batch-specific analytical language.

COA-Backed Specification
| Botanical identity | Hypericum perforatum L. |
|---|---|
| Plant part | Whole herb |
| Form and colour | Fine dark-brown powder |
| Assay | Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte) |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0%; result 4.08% |
| Ash | <=5.0%; result 3.61% |
| Representative batch | LXGL220314 |
| Manufacture date | 15 March 2022 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.

Buyer Decision Guide
Compare this standardised grade by Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte), 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
St John's Wort Extract Powder 0.3% Standardized Assay is qualified using botanical identity: Hypericum perforatum L.; plant part: Whole herb; offered grade: Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte). Its purchasing definition is anchored to Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte); alternatives must be compared on marker target and analytical basis.
When an alternative to St John's Wort Extract Powder 0.3% Standardized Assay is required, compare it against this page’s identity, grade and batch-document requirements.
Browse ingredients related to St John's Wort Extract Powder 0.3% Standardized Assay
For a St John's Wort Extract Powder 0.3% Standardized Assay substitution review, match botanical identity, plant part, grade-defining assay or ratio, analytical basis, physical form and offered-lot documentation.
Quality and Documentation
Representative batch LXGL220314 supports the specification table above. Current lot evidence and buyer-defined verification govern acceptance of the commercial shipment.
Frequently Asked Questions
What specification defines St John's Wort Extract Powder 0.3% Standardized Assay?
For St John's Wort Extract Powder 0.3% Standardized Assay: Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte).
How is the source material identified?
For St John's Wort Extract Powder 0.3% Standardized Assay: Qualification starts with Hypericum perforatum L., Whole herb. The product name alone is not sufficient when species, plant part or grade differs.
How does batch evidence support qualification?
For St John's Wort Extract Powder 0.3% Standardized Assay: The page cites representative batch LXGL220314. The sample, quotation and shipment COA should be traceable to the grade actually offered.
Is a shipment-specific COA available for qualification?
For St John's Wort Extract Powder 0.3% Standardized Assay: Yes. The commercial review should use the COA for the lot being offered, together with the matching quotation and specification.
What quality fields belong in the approval review?
For St John's Wort Extract Powder 0.3% Standardized Assay: Review identity and Standardized assay 0.3% by UV; result 0.33% (source COA does not name the analyte) together with the listed physical tests and applicable contaminant and microbiological limits.
How are MOQ and production timing confirmed?
For St John's Wort Extract Powder 0.3% Standardized Assay: Commercial timing is finalised after quantity, packaging, document set and any additional testing have been agreed.
What must be updated when a parameter changes?
For St John's Wort Extract Powder 0.3% Standardized Assay: Application-specific requests require technical review. Approved changes should be documented rather than treated as an informal substitution.





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