Table 2.
Total protein concentrations of the used AIT products as determined by Kjeldahl measurement.
| AIT product | Allergen concentration provided by manufacturer | Total protein concentration in PNU/ml |
|---|---|---|
| AIT product 1 | 2000 standardized units (SU)/ml | 319 |
| AIT product 2 | 10000 therapeutic units (TE)/ml | 4493 |
| AIT product 3 | 20000 arbitrary units (AUM)/ml | 2888 |
| AIT product 4 | 10000 TE/ml | 3429 |
| AIT product 5 | 20000 AUM/ml | 2878 |
SU, standardized units; TE, therapeutic units; AUM, arbitrary units.