Description
COA-BACKED BOTANICAL INGREDIENT
Rosmarinus officinalis Leaf Extract
Rosemary Leaf Extract Powder 4:1 is presented for B2B ingredient qualification using representative batch evidence and batch-specific analytical language.

COA-Backed Specification
| Botanical identity | Rosmarinus officinalis |
|---|---|
| Plant part | Leaf |
| Form and colour | Fine yellow-brown powder |
| Assay | Extract ratio 4:1 by TLC; complies |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0%; result 4.23% |
| Ash | <=5.0%; result 3.77% |
| Representative batch | LXMDX211216 |
| Manufacture date | 16 November 2021 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.

Buyer Decision Guide
Treat Rosemary Leaf Extract Powder 4:1 as a ratio-defined grade (Extract ratio 4:1 by TLC; complies). A ratio communicates the input-to-output relationship and should not be read as an active-compound percentage.
- Evaluation sample typically 10-20 g
- Regular MOQ typically 1 kg
- Typical lead time 7-15 working days

How This Grade Differs
Rosemary Leaf Extract Powder 4:1 is qualified using botanical identity: Rosmarinus officinalis; plant part: Leaf; offered grade: Extract ratio 4:1 by TLC; complies. This grade is separated from raw leaf powder and marker-standardised extracts by its ratio specification: Extract ratio 4:1 by TLC; complies.
When an alternative to Rosemary Leaf Extract Powder 4:1 is required, compare it against this page’s identity, grade and batch-document requirements.
Browse ingredients related to Rosemary Leaf Extract Powder 4:1
For a Rosemary Leaf Extract Powder 4:1 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 LXMDX211216 supports the specification table above. The shipment decision should rely on the current lot documentation and any independent verification required by the buyer.
Frequently Asked Questions
What specification defines Rosemary Leaf Extract Powder 4:1?
For Rosemary Leaf Extract Powder 4:1: Extract ratio 4:1 by TLC; complies.
What identity should appear on the batch documents?
For Rosemary Leaf Extract Powder 4:1: The source specification is Rosmarinus officinalis, Leaf. Reject substitutions that change the species or stated plant part without a revised approval.
How should buyers use the batch reference?
For Rosemary Leaf Extract Powder 4:1: The page cites representative batch LXMDX211216. It supports preliminary review, while the COA issued for the offered shipment lot controls commercial acceptance.
Can current batch data be checked against the quotation?
For Rosemary Leaf Extract Powder 4:1: Ask for the offered-lot COA at qualification stage and confirm that its product name, batch number and results match the purchasing file.
Which test categories support buyer qualification?
For Rosemary Leaf Extract Powder 4:1: Compare every stated limit with the intended application and destination-market requirements, then document any additional tests in the order specification.
When are commercial quantities and timing finalised?
For Rosemary Leaf Extract Powder 4:1: Order quantity and dispatch timing are grade-specific; reconfirm them when the specification and delivery destination are known.
Which specification details may be discussed before quotation?
For Rosemary Leaf Extract Powder 4:1: Selected packing and physical requirements can be assessed, but an accepted change must appear consistently in the quotation, specification and COA.
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