AOAC-RI ERP Book - Gluten.pdf
3.2 RIDASCREEN ® FAST Peanut R6202(PTM 030404)
3.2.1 Results
The original raw data (obtained OD values for the standards and control samples) are presented in the annex section 7.2. From these data, the concentrations of the controls samples were calculated for each measurement using thimerosal or bronidox L containing wash buffer as shown in table 3. Table 3 : calculated concentrations of the control samples in mg/kg peanut.
Stored buffer
Start
Storage as 10 fold concentrate
Storage as finally diluted
Duration of storage Storage temperature
0 weeks
3 weeks
6 weeks
3 weeks
6 weeks
NA
4°C
37°C
4°C
37°C
4°C
37°C
4°C
37°C
Thimerosal
Control 1 Control 2 Control 3 Control 1 Control 2 Control 3
7.48 2.06 5.40 8.02 2.39 5.96
7.22 2.25 5.03 7.12 2.07 4.80
8.02 2.51 5.81 8.13 2.24 5.40
7.31 2.39 5.21 7.00 2.35 5.22
7.40 2.46 5.24 7.36 2.56 5.44
7.30 2.15 5.26 7.12 2.23 4.75
7.30 2.02 5.49 7.61 2.42 5.26
7.60 2.32 5.16 7.79 2.44 5.18
7.30 2.02 5.49 7.50 2.37 5.41
Bronidox L
3.2.2 Evaluation
The obtained values for FAST Peanut were evaluated in the same way as the obtained values for FAST Milk, see section 3.1.2. The results are shown in table 4. Table 4: calculated mean concentrations and standard deviations (SD) of the control samples in mg/kg peanut.
Stored buffer
Thimerosal
Bronidox L
Storage temperature
4°C
37°C
4°C
37°C
Mean
Mean
Mean
Mean
SD
SD
SD
SD
7.4 2.3 5.2
7.5 2.3 5.5
7.3 2.3 5.0
7.7 2.4 5.4
Control 1 Control 2 Control 3
0.17 0.10 0.10
0.35 0.27 0.23
0.36 0.16 0.25
0.34 0.13 0.08
Exchange ofthimerosal
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