For the concentrate from both unheated (Fig. 4A) and heated
milk (Fig. 4B), increasing the temperature reduced the consistency
coefficient of the milk concentrate at each pH, which is consistent
with previously published work on apparent viscosities (Snoeren
et al., 1982). It is interesting to note that, for concentrates from
both unheated and heated milk, temperature had no impact on the
flow behaviour index (Fig. 4C and D).