54 / 106
•
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
•
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
Observations from industry
Page 12