Description
COA-BACKED BOTANICAL INGREDIENT
Rehmannia glutinosa Root Extract
Rehmannia Root Extract Powder 10:1 is supplied for B2B formulation using a defined root identity and ratio grade.
COA-Backed Specification
| Botanical identity | Rehmannia glutinosa |
|---|---|
| Plant part | Root |
| Form and colour | Fine dark-brown powder |
| Assay | Extract ratio 10:1 by TLC; complies |
| Method | TLC |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0%; result 3.10% |
| Ash | <=5.0%; result 3.70% |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Representative batch | LXDH260218 |
| Manufacture date | 18 Feb 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Rehmannia is traded as fresh, dried and processed (prepared) root, each with different colour and profile. Confirm which preparation your specification requires before approval.
- Confirm fresh, dried or prepared root
- Compare colour and TLC identity
- Check moisture and ash limits
- Confirm species versus fo-ti substitution
How This Grade Differs
Rehmannia glutinosa root is not the same as Polygonum multiflorum (fo-ti), although the two are frequently grouped in traditional formulas. Confirm genus and preparation state when comparing grades.
Compare these related grades before approval:
For a substitution review, compare botanical identity, plant part, assay target, analytical method, physical form and the current offered-batch COA.
Application Areas
- Traditional formula blends
- Supplement capsules and granules
- Functional food bases
- Private-label projects
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 LXDH260218 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 Rehmannia Root Extract Powder 10:1?
For Rehmannia Root Extract Powder 10:1: Extract ratio 10:1 by TLC; complies, tested by TLC.
Which identity details must remain consistent?
For Rehmannia Root Extract Powder 10:1: match Rehmannia glutinosa and plant part Root across the quotation, specification and offered-batch COA. The offered grade is Extract ratio 10:1 by TLC; complies.
How is batch-specific approval completed?
For Rehmannia Root Extract Powder 10:1: the page cites representative batch LXDH260218. Final approval requires the current lot’s identity, specification results and relevant dates.
What forms part of the technical review?
For Rehmannia Root Extract Powder 10:1: do not assess Extract ratio 10:1 by TLC; complies 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.
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