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

Experience and Examples of Incurred Food Preparation



Example Incurred Food Preparation Workflow

High-Level Pre-Spike

Preparation of Final Materials

• Physical properties for blending • Total nitrogen protein measurement

• Select multiple test portions of high-level pre-spike • Analyze via ELISA for homogeneity

• Food allergen

• Blend high-spike with corresponding matrix ingredient • Complete matrix formulation • Process to make finished food

material + matrix component homogeneously distributed

• Blend until

Food Allergen Material

QC Check


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