Description
STANDARDISED BOTANICAL EXTRACT
Allium tuberosum Rottler ex Spreng. — 10:1 extract ratio
韭菜子 is a ratio extract, which means the quotation has to state the input grade and the extraction solvent before the 10:1 extract ratio figure carries any meaning.
COA-Backed Specification
| Identity | Allium tuberosum Rottler ex Spreng. |
|---|---|
| Plant part | Seed |
| Form and colour | Yellow-brown powder |
| Assay | 10:1 extract ratio |
| Method | TLC |
| 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 input material grade and the solvent. A ratio without those two facts cannot be compared between suppliers.
- Assay / grade: 10:1 extract ratio, tested by TLC.
- Identity: Allium tuberosum Rottler ex Spreng., Seed.
- Appearance: yellow-brown powder.
- Confirm solubility in the intended formulation with the supplier before scaling.
- 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 particle size or presentation applies?
98% through 80 mesh
What is the declared source material for this grade?
Allium tuberosum Rottler ex Spreng., as recorded on the specification and the batch certificate.
Which impurity limits are declared?
Moisture and ash are held within the approved specification limits, with heavy metals and microbiology tested on every lot.
How is Allium tuberosum Seed Extract Powder 10:1 quantified?
By TLC against the specification figure of 10:1 extract ratio.
How should the material be stored after arrival?
Two years when stored properly. Keep the pack sealed; moisture uptake is the main risk for this grade.
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 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 packing options are available?
Standard packing is a sealed food-grade inner liner inside an export carton or fibre drum. Pack size, labelling and private-label artwork are agreed in the written specification.
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




