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Table 1: Estimated Percentiles of Gluten Exposure (mg) assuming Gluten
Contamination at a Level of 20ppm
Age-Sex Groups
24-hour Intake
Usual Intake
50
th
percentile 97
th
percentile 50
th
percentile 97
th
percentile
1 to 3 years
1.59
4.60
1.73
3.65
4 to 8 years
2.71
6.90
2.94
4.67
M - 9 to 13 years
3.30
8.48
3.75
5.66
F - 9 to 13 years
2.88
6.86
3.19
5.06
M - 14 to 18 years 3.67
10.12
4.13
7.12
F - 14 to 18 years 2.75
7.58
2.95
5.33
M - 19 to 30 years 3.35
10.31
3.71
6.30
F - 19 to 30 years 2.34
6.80
2.49
4.28
M – 31 to 50 years 2.89
8.95
3.31
6.47
F – 31 to 50 years 2.23
6.33
2.43
4.14
M – 51 to 70 years 2.70
7.10
2.86
5.36
F – 51 to 70 years 2.06
5.88
2.22
4.01
M – 71 or more years 2.51
6.75
2.72
4.81
F – 71 or more years 2.03
4.83
2.16
3.83
Overall
2.54
7.72
3.03
5.64
Daily Gluten Exposure Estimate at 20 ppm Gluten
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20 ppm gluten as an action level for substitute foods labelled as
gluten-free should support restriction of usual gluten intake to
less than 10 mg per day.
Modelling Gluten Exposure in a Gluten-Free Diet
Conclusions
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