Research Article

Concentration and Separation of Active Proteins from Potato Industry Waste Based on Low-Temperature Evaporation and Ethanol Precipitation

Figure 4

SDS-PAGE of proteins in native PFJ and its processed fractions. 1: PFJ; 2: concentrate; 3, 4, and 5: supernatant from precipitation with 10.4 M ethanol (in triplicate); 6, 7, and 8: resolubilized protein in Tris buffer (in triplicate).