AOAC ERP Gluten Assays - Dec 2018

Annex B

14.1 13.0 15.8 14.4 17.3 16.5 13.9 17.1 14.1 14.0 15.0 150 1.51 10.1 7.98 9.06 9.38 10.3 9.77 9.42 16.6 7.36 12.0 10.3 103 2.62 25.4 11.6

15.2 14.4 17.1 15.6 18.0 17.6 23.1 19.8 17.1 16.1 17.4 174 2.54 14.6 10.2 12.7 12.7 14.7 13.4 12.9 13.5 9.90 16.0 13.1 131 2.01 15.3 15.5

15.2 14.2 16.1 16.0 17.8 17.3 14.7 17.4 15.7 20.6 16.5 165 1.87 11.3 12.7 11.7 11.8 13.1 13.6 11.5 12.4 9.64 14.3 12.6 126 1.58 12.5 15.2

Rye in oat 10 mg/kg

Mean

Mean rec. [%]

SD

CV [%]

Barley in oat 10 mg/kg

Mean

Mean rec. [%]

SD

CV [%]

Table 12 summarizes results from the analysis of the materials that were contaminated at a 20 mg/kg gluten level. Depending on the lot that was used for the experiment, recoveries from 88% up to 106% were found for wheat and barley contaminated oat flour while for rye recoveries between 137% and 154% were found.

Page 23 of 33

RIDASCREEN ® Total Gluten In-house validation report 2018-10-21