ABSTRACTSodium caseinate produced on a pilot‐plant‐scale directly from skim milk powder (SMP) with two‐step extrusion process was compared to a commercial product and a sodium caseinate prepared from commercial acid casein by extrusion‐processing. The products were compared in terms of physicochemical properties and functional properties, as well as microbiological quality. Although differences existed between the caseinates, overall, those produced from SMP by extrusion appeared comparable to commercial caseinate. Results indicate that a good‐quality sodium caseinate with the requisite properties normally associated with commercial sodium caseinate could be produced directly from SMP by extrusion
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