Description
COA-BACKED BOTANICAL INGREDIENT
Curcuma longa Root Extract Standardised by UV
Curcumin extract powder is produced from Curcuma longa root for B2B supplement, powder-blend and beverage formulation. This page describes the 95% curcumin grade and separates verified specification data from general marketing claims.
TYPICAL SPECIFICATION
COA-Backed Specification
| Botanical identity | Curcuma longa L. |
|---|---|
| Plant part | Root / rhizome |
| Form and colour | Fine orange powder |
| Assay | Curcumin 95% by UV; representative result 95.11% |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0%; representative result 3.08% |
| Ash | <=5.0%; representative result 2.13% |
| Representative record | Representative COA batch LXJH250318, manufactured 18 May 2025 |
| Shelf life | Two years when stored properly |
The values above include limits and representative results from reviewed batch LXJH250318. They are not a substitute for the current batch document. Final supply is governed by the approved order specification and shipment COA.
BUYER DECISION GUIDE
When to Select the 95% Curcumin Grade
Select this grade when the purchasing specification requires Curcuma longa root extract quantified to 95% curcumin by UV. Do not treat turmeric powder, ratio extracts and standardised curcumin grades as interchangeable. Confirm botanical identity, plant part, analytical method and the offered-batch result before approval.
- Evaluation samples: typically 10-20 g, subject to stock
- Regular MOQ: typically 1 kg
- Common packing: 1 kg bag; bulk packing confirmed separately
- Typical lead time: 7-15 working days after order confirmation
- Private-label and specification consultation available
QUALITY & DOCUMENTATION
Batch Verification for B2B Qualification
The reviewed representative COA records 95.11% curcumin by UV, 3.08% loss on drying and 2.13% ash, together with particle-size, heavy-metal and microbiological controls. Buyers should request the current offered-batch COA and may arrange independent testing before a commercial order.
FREQUENTLY ASKED QUESTIONS
Curcumin Extract Purchasing FAQ
What is the standard specification?
The evidence-backed grade is Curcuma longa root extract powder standardised to 95% curcumin by UV.
Which plant part is used?
Representative COA LXJH250318 identifies Curcuma longa root as the source material.
What COA evidence supports the 95% claim?
Representative batch LXJH250318 recorded 95.11% curcumin by UV against a 95% specification. Commercial release is governed by the COA for the supplied batch.
Can buyers request a sample and current batch COA?
Yes. Sample availability and the current offered-batch COA are confirmed against the requested quantity, destination market and specification.
What quality controls are included?
The representative COA includes appearance, moisture, ash, particle size, UV assay, heavy-metal limits and microbiological controls.
What is the typical MOQ and lead time?
The regular MOQ is typically 1 kg, subject to stock and specification. Production normally requires 7-15 working days after order confirmation.
Can the specification or packaging be customised?
Particle size, packing and selected quality parameters may be reviewed case by case. Feasibility, test method and MOQ are confirmed before quotation.
Request COA, Sample or Quotation
Send the target assay, application, annual volume, destination country and required test limits. LongBio will confirm the matching grade, document availability and quotation.
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