Preheat the oven to 350. Spray a loaf pan with Pam. Whisk the flours with the wheat germ, baking powder, baking soda and salt. Add the walnuts, raisins, and 1 T sesame seeds and toss gently. Set aside. Beat the egg, egg white, sugars and oil with an electric mixer set at medium until smooth. Add the buttermilk and maple extract and beat again. Stir the flour mixture and zucchini into the batter by hand just until combined. Per slice: 183 calories and 2.8 grams fat.