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2013 Dietary Starch in Animal Feeds Collab Study Protocol 072513

Table 6. Standard curves for AOAC glucose detection method. Curves represent individual assay runs.

Quadratic term p - value

Sum of Squared Residuals

Curve Form a Intercept

Coefficient for Abs b

Coefficient for Abs 2

Run

R 2

RMSE c

0.1:3.0 Standard solution : GOPODa reagent d A L -4.030 947.27

0.9999 1.0000 0.9997 0.9999

4.084

216.9 61.3 543.4 110.1

A B B

Q

-0.190 -7.374 -0.970

918.14 949.99 901.44

27.6426

2.261 <0.01

L

6.465

Q

46.1339

3.029 <0.01

a L = Linear, Q = quadratic b Abs = absorbance c RMSE = root mean squared error d GOPODa = glucose oxidase - peroxidase reagent of (7)

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