Fucoxanthin specification: 1) Grade: nutraceutical, pharmaceutical 2) Bacterial index a) Total bacteria count <1,000cfu/g b) Mold and Yeast <100cfu/g c) E. Coli: Negative d) Without pathogenic bacteria 3) Physical properties: a) Appearance: brown red powder b) Assay: 5% (HPLC), 10% (UV). c) Particle size: 80mesh d) Moisture≤5% e) Algal minerals: 48.2% - 50.1% f) Algal starch & polyphenols: 7.4% - 9.1% g) Heavy metal (mg/Kg): ≤10 h) Pb (mg/kg): ≤1 i) Cd (mg/Kg): ≤1Packaging: 10kg, 20kg,25kg, 50kg/cardboarddrum or as per clients' requirements