AOAC SPIFAN Nutrients ERP Report (December 7, 2022)

CODIFICATION: Amino-07 METHOD TITLE: Analysis of Taurine in Infant Formula and Adult Nutritionals by Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry (HILIC MS/MS) REVIEWERS: Maria Ofitserova & Estela Kneeteman VOTE: Motion - To recommended method for First Action Official Methods SM status

Maria Ofitserova motioned Estela Kneeteman second Vote: 8 Yes/0 No/1 Abstain (Fonterra Cooperative) RECOMMENDATION: 1. Clarification of point I(g) 2. Clarification of standards E(d)(vi) Motion to approve recommendations: Maria Ofitserova motioned Estela Kneeteman second Abstain – Fonterra Cooperative

REVIEW OF METHODS: FLUORIDE

CODIFICATION: Fluor-04 METHOD TITLE: Fluoride determination in milk, soy, and water-based products using ionselective electrode and direct measurement. REVIEWERS: Melissa Phillips & Jinchuan Yang VOTE: Motion - To recommended method for First Action Official Methods SM status Melissa Phillips motioned Maria Ofitserova second Vote: 8 Yes/0 No/1 Abstain RECOMMENDATION: 1. Address the potential calculation flaw (clarification) o Dilution correction (weight vs volume) o Share data demonstrating equivalence of approaches 2. Requirement to monitor temperature during analysis

Motion to approve recommendations: Jinchuan Yang motioned & Brendon Gill second Abstain – Abbott Nutrition

CODIFICATION: Fluor-06 METHOD TITLE: Quantitative analysis of fluoride in infant formula and adult nutrition using headspace gas chromatography with a flame ionization detector REVIEWERS: Tom Vennard & Brendon Gill

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