Well, I've seen too many resources that state the following to be ready to ditch the apples and blueberries that quickly. This is from Diagnose-me.com:
Foods that can be eaten freely include all vegetables, protein sources (legumes, fish, poultry, and meat), and whole grains. Two to three one-cup servings of the following fruit can be eaten per day as well: apples, blueberries, cherries, other berries, and pears.