The Daidai is an Asian variety of bitter orange that is not well suited to being eaten raw, but its fresh aroma and juicy flavor can be enjoyed by making this orange into marmalade. As a matter of fact, oranges are a good source of citric acid and citrates, which are believed to help prevent kidney stone formation. Although these fruits are not a good source of iron, they are an excellent source of organic acids, such as vitamin C and citric acid, both of which can increase your body’s absorption of iron from the digestive