AOAC SPIFAN Meeting Book 9-26-15

• Method I ( δ0 Lactalbumin+ ε0 Lactoglobulin ) • Repeatability is ok while reproduceabity is poor • The coefficient F=0.6 is not suitable for modified whey protein (α-Lac enriched) • Complicated process • High requirement on capacity of laboratory personnel • Unstandardized reagent kit(reference materials) Observations from industry

Page 11

Observations from industry

• Method II (amino acid profile)

– Unable to identify adulteration – Qualitative but not quantitative method – Amino acid profile of α-lac enriched whey may differs from standard whey

Page 12