Description
STANDARDISED BOTANICAL ACTIVE
Polygonatum odoratum (Mill.) Druce — Total polysaccharides 30.0%
玉竹 is listed here as an extract standardised to total polysaccharides 30.0%, not as a purified single compound. Confirm the source material, assay method and batch-specific COA before comparing offers.
COA-Backed Specification
| Identity | Polygonatum odoratum (Mill.) Druce |
|---|---|
| Plant part | Rhizome |
| Form and colour | White to off-white powder |
| Assay | Total polysaccharides 30.0% |
| Method | UV |
| 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
Ask for the related-substance profile, not only the assay. Two lots at the same percentage can differ in what else is present.
- Assay / grade: Total polysaccharides 30.0%, tested by UV.
- Identity: Polygonatum odoratum (Mill.) Druce, Rhizome.
- 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
Can the COA be matched to the lot you ship?
Yes. The certificate is issued for the shipped lot, which is the batch named on the quotation referenced on the specification.
How is Polygonatum odoratum Extract Powder 30% Polysaccharides quantified?
By UV against the specification figure of Total polysaccharides 30.0%.
Which particle size or presentation applies?
98% through 80 mesh
What purity window can you hold batch to batch?
Total polysaccharides 30.0%, verified by UV on every lot.
Which marker is the percentage based on?
The declared figure is Total polysaccharides 30.0%, measured by UV; the marker basis is recorded on the batch certificate.
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.
What is the usual lead time?
Regular production normally takes 7-15 working days after deposit, depending on stock, volume, testing and customisation requirements.
How is the material shipped?
Air and sea freight are both arranged, with the mode chosen against volume, destination and required date. Documents and the HS code are issued with the shipping instructions.
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




