Open Access

Table I.

Physical and chemical characterization of classical spray-dried skim milk.

Sample
H1 H2
Powder Casein (g·kg−1) 250.1 246.2
Whey protein (g·kg−1) 66.8 65.9
Water content (% db) 6.0 7.5
a w 0.34 0.41
Spray-drying temperature T inlet (°C) 140 110
T outlet (°C) 64 47