Protein efficiency ratio (PER)
The PER value of sodium caseinate was reduced by the
heat treatment from 2.8$0.2 for the unheated to
2.6$0.2 and 2.4$1 for the samples heated at 120 and
1323C for 60 min, respectively.The differences were signi"cant
(P(0.05). There was no signi"cant difference in
the treated samples (P'0.05).