There are five types of foods that are high in folic acid: first, vegetable foods, such as rape, spinach, cabbage, bok choy. The second category, fruits, such as pomegranate, peaches, lemons, hawthorn, apples, such ingredients are also rich in the amount of folic acid. The third category, nuts, such as hazelnuts, walnuts, sunflower seeds. The fourth category, animal offal, such as often eaten pig liver, chicken liver and lamb liver. The fifth category, cereal grains, such as barley, oats, corn, millet, in their germ is also rich in folic acid.