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Lutein 10% Powder Analytical Specification

LUTEIN 10% POWDER
TEST SPECIFICATION
Appearance Brown colored oil
Solubility Soluble in water. Soluble in alcohol
Identification (A)Ratio of absorbance of test solution prepared for content of carotenoids A/446 to A/474 (B)Identification by HPLC 1.09 to 1.14 The retention time of the major peak obtained with sample solution should be concordant with that of the major peak obtained with the standard solution.NMT 5.0
Water (%) NMT 1.0
Residue on ignition (%) NMT 1.0
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
Assay (% on dried basis) Lutein content Total Carotenoides (%) NLT 10.0 NLT 10.0