Abstract
In a group of 216 healthy children (age: 3 days-16 years) normal values of alpha-amylase in serum were found out (substrate: p-nitrophenyl-alpha, D-maltoheptaosid). Infants (age: 3-353 days) mostly showed lower catalytic concentrations than older children: alpha-amylase (25 degrees C) up to 30 U/L; alpha-amylase 37 degrees C): up to 60 U/L. But, the collective was too small (n = 30) to give any statistical statement, on the other hand biological and analytical deviations of catalytic concentrations were big. In children (n = 186; age: 1-16 years) the values were not dependent on sex or age. As normal range we propose for children aged 1-16 years alpha-amylase (25 degrees C): 20-110 U/L; alpha-amylase (37 degrees C): 40-200 U/L.
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