OMB Meeting Book (June 22, 2017)

68

CODEX STAN 234-1999

22

Foods for Special Dietary Uses Infant formula

Folic acid

AOAC 992.05 (Measures free folic acid + free, unbound natural folates, aggregated and measured as folic acid) EN 14131 (Total folate (free + bound), aggregated and measured as folic acid) J AOAC Int. 2000:83; 1141-1148 (Measures free folic acid + proportion of free, natural folate) J Chromatogr. A., 928, 77-90, 2001 (Measures total folates after conversion to, and measurement as 5-Me-H4PteGlu) AOAC 2012.15 | ISO 20647 | IDF 234

Microbioassay

II

Folic acid

Optical Biosensor Immunoassay

Infant formula

IV

Folic acid

HPLC, incorporating immunoaffinity clean-up and conversion to 5- methyltetrahydrofolate

Infant formula

IV

Iodine (for milk-based formula)

ICP-MS

Infant formula

II

Iron 9

AOAC 985.35

Flame atomic absorption spectrophotometry ICP emission spectroscopy AAS after dry ashing Flame atomic absorption spectrophotometry Flame atomic absorption spectroscopy ICP emission spectroscopy Flame atomic absorption spectrophotometry ICP emission spectroscopy

Infant formula

III

Iron Iron

AOAC 984.27

Infant formula Infant formula Infant formula

III

AOAC 999.11│NMKL139

II II

Magnesium

ISO 8070 │ IDF 119

Magnesium

AOAC 985.35

Infant formula

III

Magnesium Manganese

AOAC 984.27 AOAC 985.35

Infant formula Infant formula Infant formula Infant formula

III

II

Manganese

AOAC 984.27

III IV

Melamine

ISO/TS 15495 | IDF/RM 230

LC-MS/MS

9 General Codex methods are also available