Table 1.
Formulas for sponge cakes substituted flour with different levels of buckwheat powder for flour

Ingredients Ratio1) (%) Control (g) Buckwheat powder content (%)
10 20 30
Flour 100 300 270 240 210
Sugar 166 498 498 498 498
Whole egg 166 498 498 498 498
Salt 2 6 6 6 6
Buckwheat powder Variable 0 30 60 90
Baker’s percentage.