Some embodiments are directed to a process for treatment of white liquid egg from chicken eggs or similar, including the steps of shelling the eggs so as to get a specific quantity of white liquid egg; filtering and immediately cooling the white liquid egg at a temperature in a range determined keeping the liquid inside a closed and agitated tank; heat treating by pasteurization the white liquid egg within a determined time interval by the shelling step with deaeration of the liquid and with addition of carbon dioxide; and performing a biochemical treatment of the white liquid egg in conditions of controlled temperature within a sterile tank with subsequent final storage at room temperature.