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Single Lab Validation Report for GOS in Infant Formula and Adult Nutritionals
7
Figure 2: Linear calibration curve for lactose
Although the R
2
values were acceptable, the residue plots of the back-calculated concentrations showed
parabolic trending on the linear fit (Figure 3 and 4).
Figure 3: Residue plot of the deviation from the actual concentration by linear calibration for galactose
y = 0.0696x + 0.0003
R² = 0.9994
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0.00
5.00
10.00
15.00
20.00
Ratio Area/Area IS
Lactose Concentration (µg/mL)
Linear Calibration Curve Lactose
-10
-5
0
5
10
15
20
25
0.00
5.00
10.00
15.00
20.00
% deviation from actual concentration
Galactose Concentration (µg/mL)
Residu Plot Galactose Linear
GOS-02 SLV
FOR ERP USE ONLY
DO NOT DISTRIBUTE