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AOAC FIRST ACTION 2012.22
MULTI LABORATORY TESTING
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Page 4/4
I.
Example chromatograms
Infant formula powders/Certified reference material
Nutritional products
References
(1)
Fontannaz, P., Kilinc, T., and Heudi, O. (2006)
Food Chemistry.
94,
626-631.
(2)
Campos-Giménez, E., Fontannaz, P., Redeuil, K., Kilinc, T. (2013)
Journal of AOAC
International
,
96
, 1065-1067.
Ascorbic
AU
-0.005
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Ascorbic
AU
-0.005
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Ascorbic
AU
-0.005
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Ascorbic
AU
-0.005
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Standard solution Ascorbic acid 2 µg/mL
Infant FormulaPowder Milk Based
Infant FormulaPowder Soy Based
SRM 1849a
Ascorbic
AU
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Ascorbic
AU
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Ascorbic
AU
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
Minutes
0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00
Standard solutionAscorbic acid7.5 µg/mL
Infant Elemental Powder
Adult Nutritional RTF HighFat
2012.22/VitC-03 (February 2016) - MLT
FOR ERP USE ONLY
DO NOT DISTRIBUTE