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Zeaxanthin Analytical Specification

ZEAXANTHIN
TEST SPECIFICATION
Appearance Orange-yellow powder
Solubility Sparingly soluble in ethanol, practically insoluble in water. Partly soluble in acetone
Moisture content (%) NMT 8.0
Loss on drying (%) NMT 5.0
Residue on Ignition (%) NMT 5.00
Total Heavy Metals (Lead) (ppm) NMT 10
Assay (%, on dried basis) Zeaxanthin NLT 5.0
Microbial parameters Total Bacterial Count Total Fungal Count Pathogens E.coli Salmonella P.aeruginosa S.aureus NMT 1000 cfu/gm NMT 100 cfu/gm Should be absent Should be absent Should be absent Should be absent