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AOAC SPIFAN Proficiency Testing – Pilot Study
–
SPIFAN Product Matrices Used
–
One Infant Formula, One Adult Nutritional
–
Results Tabulated
–
Laboratories only analyzed nutrients for analytes that they
routinely test
–
Laboratories could submit results for one method or two
methods
•
SPIFAN, AOAC, Internal
Nutrient
SPIFAN
Other
NT
SPIFAN+
Other
Fatty Acids
3
2
1
Iodine
2
2
2
Nucleotides
1
3
2
Ultra-Trace Minerals
2
1
3
Vitamin A (Retinol, Total)
3
2
0
1
Vitamin E
Total, as
D
-tocopherol
as
D
-tocopherol
as
D
-tocopherol acetate
2
3
3
3
1
1
0
2
2
1
Vitamin B
12
2
3
1
Pantothenic Acid
2
1
2
1
myo-Inositol
1
4
1
Results Received