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. 2022 Aug 17;13:916491. doi: 10.3389/fimmu.2022.916491

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.