AOAC SPIFAN Stakeholder Program Meeting Book (March 17, 2021)
A2 Quantification in Infant Formula A2-type beta-casein A1-type beta-casein
X Capillary Zone Electrophoresis (AOAC poster)
Challenges, revisited
X Reference Standards
X No certified reference standard X Mixture of A1-type, A2-type beta-casein (most)
X Target level:
X Define “A2-milk” X Quality parameter (no agreement on exposure limits)
X What type of measurement?
X A1 beta-casein as a contaminant? X %A1 beta-casein/total casein X %A2 beta-casein/total casein
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