The addition of sugar into egg white causes a delay of the foam formation, especially in the first part of the beating period. With 50% sugar, more than 9 min of beating was necessary to incorporate all liquid into the foam (3÷4 min without sugar) and 32 min to attain comparable stiffness in foams (16 min without sugar) with less expansion in the foams containing sugar than in those without it (HANNING 1945). The inhibition effect on the whipping properties was caused by the addition of sucrose, lactose, dextrose, and maltose, especially the last three (STADELMAN & COTTERILL 1994)