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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Fraction</td><td class="align_center">Protein</td><td class="align_center">Protein</td></tr><tr class="thead"><td class="align_center">g/l</td><td class="align_center">g/kg of PFJ</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">PFJ</td><td class="align_center">13</td><td class="align_center">13</td></tr><tr><td class="align_left">Concentrate</td><td class="align_center">74</td><td class="align_center">13</td></tr><tr><td class="align_left">Nonprecipitated (soluble)</td><td class="align_center">19.6</td><td class="align_center">5</td></tr><tr><td class="align_left">Precipitated (resoluble)</td><td class="align_center">18.5</td><td class="align_center">1.5</td></tr><tr><td class="align_left"><i>Total soluble protein</i></td><td class="align_center"> </td><td class="align_center"><i>6.5</i></td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mass balance of total protein in the PFJ and its processed fractions.

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tab3

Table 3

Table 3: Concentration and Separation of Active Proteins from Potato Industry Waste Based on Low-Temperature Evaporation and Ethanol Precipitation 