For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.

Parameter	Specification	Test Method
Identity
Product Name	Natural Lutein Powder	-
CAS No.	127-40-2	-
Source	Marigold Flower (Tagetes Erecta)	COA / Manufacturer's Declaration
Appearance	Free-flowing orange to yellow powder	Visual Inspection
Key Specifications
Lutein Content	5% - 20% (Customizable)	HPLC
Loss on Drying	≤ 5.0%	USP <731>
Solubility	Water-soluble	Solubility Test
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 3.0 mg/kg	ICP-MS
- Arsenic (As)	≤ 2.0 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 1.0 mg/kg	ICP-MS
- Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Total Plate Count	≤ 1000 CFU/g	USP <61>
Yeast & Mold	≤ 100 CFU/g	USP <61>
E. Coli	Negative	USP <62>
Salmonella	Negative	USP <62>
Certifications	ISO 9001, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard Natural Lutein Powder product profile. We also provide customization options—including different lutein content levels (5%-20%) and solubility characteristics—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.

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