EFFECT OF PASTEURIZATION AND STORAGE ON SOME COMPONENTS OF POOLED HUMAN-MILK

Pooled human milk was subjected to Holder pasteurization and storage a t -20 degrees C up to 90 days and examined for its content of fat and L-lactate and for lipid composition. This treatment reduced fats by 6% and L-lactate by at least 7%. In addition, pasteurization and storage induced triglyceride hydrolysis. The absolute amount of free fatty ac ids (FFAs) which was 0.5% after collection, doubled after pasteurizati on and rose even more after storage. Different FFA compositions were f ound by several authors using the same analytical method even for milk samples subjected to the same treatment. More detailed information on procedures must be given to explain the different results. (C) 1997 E lsevier Science B.V.