[Optimal protein substitution in parenteral nutrition (author's transl)].

In three healthy probands oral whole egg and parenteral amino acid administration were compared by means of nitrogen balance studies. For the amino-acid solution produced according to the potato-egg pattern and administered intravenously the high biological value of 131.4 was obtained in comparison with a value of 100 for the oral egg protein administration. This confirms recommendations to use aminoacid solutions in parenteral nutrition which are prepared according to the principles of nutrition physiology.