Preheat Oven to 350 Degrees
coat 2 8x4 loaf pans with cooking spray
Sift together whole wheat flour, all purpose flour, salt, baking soda, baking powder, and cinnamon in a bowl
In another bowl beat egg whites until frothy, add egg, sugar, vanilla extract, oil, and applesauce, beat until thoroughly combined, then beat in zucchini.
Add dry ingredients to egg mixture and mix well.
Fold in Nuts
Pour batter in prepared pans
bake for 50-60 minutes, until toothpick inserted in middle of loaf comes out clean.