Description
Product Overview
Curcumin Extract (Curcuma longa) is a high-concentration turmeric root extract standardized to 95% curcuminoids (curcumin CAS 458-37-7, curcumin content by HPLC), derived from the rhizomes of Curcuma longa L. (Zingiberaceae). Curcumin is the most extensively studied natural compound for joint comfort, anti-inflammatory response and antioxidant support. Our bulk curcumin 95% is GMP-produced with full COA, ideal for joint health, anti-inflammatory and wellness supplements.
Botanical Profile
- Botanical Name: Curcuma longa
- Part Used: Rhizome
- Standardization: Curcuminoids 95% (HPLC), Curcumin ≥ 90%
- Source: GMP-certified extraction facility, Xi’an, China
Product Specifications & Quality Standard
| Parameter | Specification |
|---|---|
| Active Ingredient | Curcuminoids 95% (HPLC), Curcumin ≥ 90% |
| Appearance | Orange-yellow fine powder |
| Part Used | Rhizome |
| Mesh Size | 80 mesh (95% pass) |
| Loss on Drying | ≤ 3.0% |
| Heavy Metals | Pb ≤ 2ppm, As ≤ 2ppm, Cd ≤ 1ppm, Hg ≤ 0.1ppm |
| Microbiology | Total plate count ≤ 1000 CFU/g, E.coli/Salmonella negative |
| Solubility | Insoluble in water, soluble in ethanol/acetone |
| Storage | Cool dry place, 24 months shelf life |
Physical Characteristics
Appearance: Orange-yellow fine powder (see specification table above). Fine free-flowing powder, 80 mesh, suitable for direct encapsulation and tableting.
Key Benefits
- Supports joint comfort and healthy inflammatory response
- Powerful antioxidant activity (ORAC high)
- Supports digestive health and gut comfort
- Supports healthy cardiovascular function
- Supports skin health and healthy aging
- 95% high-purity curcuminoids for maximal active delivery
Main Applications
Joint health capsules, tablets, softgels; anti-inflammatory formulas; sports nutrition; food supplements. Bioavailability-enhanced versions available on request.
Recommended Usage
Typical dosage: 500-1000 mg of 95% extract per day. For enhanced absorption, combine with piperine or use our curcumin-phospholipid complex.
Why Choose Our Bulk Curcumin Extract
- GMP-certified production with ISO 9001 quality system
- HPLC/UV verified active content, batch-to-batch consistency
- Full COA, MSDS and third-party heavy metal testing per batch
- HALAL, KOSHER and organic certifications available
- Flexible MOQ with global export experience to 50+ countries
- OEM/ODM support: capsules, tablets, powder sachets and custom blends
Packaging & Storage
- Packaging: 25kg/drum, double PE bags inside, aluminum foil vacuum bag optional
- Storage: Store in cool, dry, well-ventilated place away from direct sunlight
- Shelf Life: 24 months under proper storage
FAQ About Wholesale Curcumin Extract
Q: What is curcumin CAS?
Curcumin CAS 458-37-7; curcuminoids content 95% by HPLC.
Q: Is it water soluble?
Insoluble in water; we offer water-dispersible and high-bioavailability grades.
Q: What color is the powder?
Bright orange-yellow, characteristic of high-purity curcumin.
Q: Do you provide COA?
Yes, COA with HPLC assay, heavy metals and microbiology per batch.
Q: Can you supply piperine for synergy?
Yes, we supply 95% piperine extract for curcumin synergy formulations.
Q: What is the MOQ?
25kg per drum; 1kg samples available.
Inquiry & Cooperation
As a professional botanical extract manufacturer with 20 years of export experience, we supply high-quality Curcumin Extract at competitive bulk prices. Contact our sales team for spec sheets, COA samples and quotations.


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