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, Treatments: C: control; SB: sodium butyrate

, APN: amino-peptidase N; DPP4: dipeptidyl-peptidase 4; IAP: intestinal alkaline phosphatase

, SAC: Specific activity concentration for IAP (µg IAP/ g protein) TA: total activity 551 (µmoles/min/g fresh mucosa; nmoles/min/g fresh mucosa for DPP4), SA: Specific activity DPP4)

, 552 a,b P < 0, p.5