pH, Total solids, Solubility index, Fatty acids, Particle size distribution (Malvern Mastersizer, Zetasizer nano series), Dehydration/Rehydration stability, Moisture (Karl Fisher/oven method), Protein, Lactose, Fat, Sensory (HPLC, GC).
Studies on the recovery and/or quantification of target ingredients in finished product (Atomic Absorption). Reconstitution tests, Free fat, Viscosity, Particle size, Floaters/sinkers, mechanical/manual reconstitution, Physical characteristics, Bulk density, Sieve analysis, Scorched particles, Free fat, solubility, Wettability, Dispersability, Occluded air content etc.
Rheological properties using modern AR G2 and AR2000 rheometers. (TA Instruments).
True density of the powder particles can be determined using a Pycnomatic helium pycnometer (Thermo Electron Corporation, Driesch, Germany).