AOAC GFA Stakeholder Program Meeting Book (August 29, 2021)

Qualitative Validation Guidance

X Consensus reached on:

X Addition of a hook effect study X Additional details, and acceptance criteria, for lot-to-lot consistency and stability studies X Requirement to list end user qualifications, or identify training, for performing the method, as part of the method instructions X Agreement that each gluten source (wheat, rye, barley (oats)) must be tested in the validation

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Qualitative Validation Guidance

X Upcoming Work X Matrix extensions for PTM and OMA X How to analyze all gluten sources without tripling (or quadrupling) the testing load? X Can we define matrix categories for gluten? X Details of sample preparation (spiked, incurred and surfaces)

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