Preheat oven to 190degrees C. Spray a 12 cup muffin pan with vegetable cooking spray or line with large paper patty case liners.
In a mixing bowl, sift the flours, with sugar, baking powder, bicarbonate of soda, and spices. Set aside.
In a small bowl, whisk together egg white, buttermilk, and oil. Add buttermilk mixture, stir until only just combined. Fold in blueberries.
Divide mixtrue between prepared muffin cups. Bake until the tops are lightly golden, about 20 minutes. Place pan on a wire cooling rack, cool for 5 minutes. Loosen muffins with handle of a metal teaspoon and cool on rack.