The hardness of Kougelhopf (SY frozen
sweet dough) increased significantly (P < 0.05) by 37%, 53% and
67% for 20, 30, 40 C and liquid nitrogen, respectively compared
to fresh Kougelhopf (SY fresh sweet dough) but no signifi-cant difference (P > 0.05) was found for Kougelhopf hardness
obtained by DY sweet dough frozen at slow freezing rate only liquid
nitrogen led to hardness increase compared to air blast
freezing.
In