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Dual Lab Validation of a Method for the Determination of Fructans in Infant
Formula & Adult Nutritionals /
25 Jul 2016
16
3 R E S U L T S
3.1.
System Calibration
A quadratic model was used to fit the data for calibration purposes. The relative residuals were
calculated and plotted against the analyte concentration. For glucose the quadratic line fits the data
well (Figure 1), and the predicted concentration is never more than 2.2% away from the actual
concentration (Figure 2).
Figure 1: Glucose Calibration Curve
Figure 2: Plot of Relative Residuals (%) Against Glucose Concentration
For fructose, the quadratic line fits the data well (Figure 3), the predicted concentration is always
within 2% of the actual concentration except at the lowest concentration (20 µg/mL) where there
can be up to a 6 % difference (Figure 4).
-6.00
-4.00
-2.00
0.00
2.00
4.00
6.00
0
50
100
150
200
250
300
350
Differnce [%]
Glucose conc. [µg/mL]
GLUCOSE: Plot of the differences vs concentrations
VALIDATION REPORT
FOR ERP USE ONLY
DO NOT DISTRIBUTE