Description
STANDARDISED BOTANICAL ACTIVE
Lagerstroemia speciosa (L.) Pers. leaf — Corosolic acid 10%-98% (grade fixed per order)
科罗索酸 is listed across a 10%-98% corosolic acid assay range; the exact grade must be fixed in the quotation. The assay percentage alone does not establish that every grade is a purified single compound. Compare the specified grade, HPLC method and batch-specific COA before ordering.
COA-Backed Specification
| Identity | Lagerstroemia speciosa (L.) Pers. leaf |
|---|---|
| Plant part | Leaf |
| Form and colour | White to off-white powder |
| Assay | Corosolic acid 10%-98% (grade fixed per order) |
| Method | HPLC |
| Particle size | 98% through 80 mesh |
| Loss on drying | Within the limits of the approved specification |
| Ash | Within the limits of the approved specification |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Shelf life | Two years when stored properly |
Limits shown are the agreed specification. Result values are issued on the batch-specific certificate of analysis.
Buyer Decision Guide
Confirm the exact grade and HPLC assay basis in the written quotation. Materials at different corosolic acid percentages should not be treated as interchangeable without reviewing the full specification and batch COA.
- Assay / grade: Corosolic acid 10%-98% (grade fixed per order), tested by HPLC.
- Identity: Lagerstroemia speciosa (L.) Pers. leaf, Leaf.
- Appearance: white to off-white powder.
- Solubility depends on the compound; confirm the vehicle your process uses before ordering bulk.
- Packing and storage: sealed food-grade liner in an export carton or fibre drum; keep cool and dry.
- Documentation: COA, specification sheet and SDS issued with each batch.
How This Grade Differs
No grade of this product was listed on the site before this page, so it introduces the product directly. Confirm the grade in the written quotation before the first order.
Quality and Documentation
Released on a batch certificate covering assay or grade, identity, moisture, heavy metals and microbiology.
Frequently Asked Questions
Which safety parameters are tested every lot?
Moisture per specification, ash per specification, heavy metals and microbiology against the approved specification.
Which batch is the quotation based on?
A representative batch is named on the quotation; the lot you receive is released on its own certificate.
Does the percentage refer to one compound or to a group?
It refers to Corosolic acid 10%-98% (grade fixed per order), calculated by HPLC on the basis stated on the COA.
What is the declared source material for this grade?
Lagerstroemia speciosa, as recorded on the specification and the batch certificate.
What purity window can you hold batch to batch?
Corosolic acid 10%-98% (grade fixed per order), verified by HPLC on every lot.
Can I review the COA before I pay?
Yes. Request the current or representative COA and check identity, method, limits and results before approving the purchase order.
Can you produce to our own specification or packing?
Alternative assay targets, particle size, packing and private-label requirements are reviewed case by case, subject to production feasibility and a revised written specification.
Can I get a sample before placing the order?
Yes. An evaluation sample is normally available before a formal order. Sample quantity, courier account and destination are confirmed at the time of request.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
Get the current batch COA, a sample or a quotation
