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Soy Isoflavones Analytical Specification

SOY ISOFLAVONES
TEST SPECIFICATION
Appearance White powder & odorless
Solubility Soluble in ethyl alcohol
Identification by HPLC The retention time of the major peak obtained with sample solution shell be corresponds to that of the major obtained in the Standard solution
Loss on Drying (%) (at 1050C for 3 hours) Not more than 5.0
Heavy metals (ppm) NMT 20
Bulk density (gm/cc) Tapped (gm/cc) NLT 0.30 NLT 0.60
Assay (% On dried basis) Daidzein Weinstein NLT 20.0 NLT 20.0
Microbial parameters Total Bacterial Count Total Fungal Count Pathogens E.coli Salmonella P.aeruginosa S.aureus NMT 1000 cfu/g NMT 100 cfu/g Should be absent Should be absent Should be absent Should be absent