Description
COA-BACKED BOTANICAL INGREDIENT
Isatis indigotica Leaf Extract
Isatis indigotica leaf extract is supplied as a dried 10:1 preparation of the leaf for B2B formulation and further processing. The part used is stated because leaf and root preparations of this plant are separate commercial articles with different profiles. It is a botanical raw material and is not a finished consumer product.
COA-Backed Specification
| Botanical identity | Isatis indigotica |
|---|---|
| Plant part | Leaf |
| Form and colour | Fine dark green to greenish-brown powder |
| Assay | Extract ratio 10:1 by TLC |
| Method | TLC |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0%; result 4.00% |
| Ash | <=5.0%; result 4.00% |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Representative batch | LXDQ260422 |
| Manufacture date | 22 Apr 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Confirm the plant part, the ratio basis and the analytical method on the certificate of analysis before approval, then agree the delivered particle size and packing. Buyers working into a regulated category should confirm the permitted-use position for this species in the destination market independently.
- Plant part stated: leaf
- Ratio basis and analytical method stated on the certificate of analysis
- Particle size and packing agreed at quotation
- Samples available for evaluation against the buyer’s own process
- Documentation: COA, specification sheet and safety data sheet
- Regulatory status, permitted uses and labelling are the buyer’s responsibility for the destination market
How This Grade Differs
Leaf and root preparations of Isatis indigotica are offered under closely related names and are not interchangeable. Confirm which part the quotation refers to, and compare the ratio basis and the analytical method rather than the plant name alone.
For a substitution review, compare botanical identity, plant part, assay target, analytical method, physical form and the current offered-batch COA.
Application Areas
- Hard capsules and two-piece capsule filling
- Dry blends and premix manufacturing
- Traditional formula powders
- Beverage systems, subject to the buyer process validation
Packaging and Delivery
- Evaluation sample typically 10-20 g, subject to stock
- Regular MOQ typically 1 kg
- 1 kg foil bag or 25 kg fibre drum with inner food-grade liner
- Custom packing and private-label options subject to confirmation
- Typical lead time 7-15 working days after deposit
Quality and Documentation
Representative batch LXDQ260422 supports the specification table above. Use the cited record for preliminary comparison and request the offered-lot COA for final technical approval. Batch COA, specification sheet, agreed third-party testing and export documents are available for buyer verification.
Frequently Asked Questions
What specification defines Isatis indigotica Leaf Extract?
For Isatis indigotica Leaf Extract: Extract ratio 10:1 by TLC, tested by TLC.
Which identity details must remain consistent?
For Isatis indigotica Leaf Extract: match Isatis indigotica and plant part Leaf across the quotation, specification and offered-batch COA. The offered grade is Extract ratio 10:1 by TLC.
How is batch-specific approval completed?
For Isatis indigotica Leaf Extract: the page cites representative batch LXDQ260422. Final approval requires the current lot’s identity, specification results and relevant dates.
What forms part of the technical review?
For Isatis indigotica Leaf Extract: do not assess Extract ratio 10:1 by TLC in isolation; particle size, moisture or drying data and market-relevant safety limits can also affect acceptance.
Are you a manufacturer or a trading company?
LongBio is Shaanxi Longsheng Biotechnology Co., Ltd., a direct manufacturer of botanical extracts and functional ingredients integrating R&D, production and export support. Factory review can be arranged by video or an on-site visit.
Can I request the current batch COA before ordering?
Yes. Request the applicable current or representative COA and compare product identity, method, limits and results before approving a purchase order.
What is the minimum order quantity?
The regular MOQ is typically 1 kg. An evaluation sample of 10-20 g can usually be arranged before a formal order, subject to stock.
Do you support custom specifications or packing?
Alternative assay targets, particle size, packing and private-label requirements can be reviewed case by case, subject to production feasibility and a revised written specification.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
