<P> Depending on the thickness and taste, fruit peel is sometimes eaten as part of the fruit, such as with apples . In some cases the peel is unpleasant or inedible, in which case it is removed and discarded, such as with bananas or grapefruits . </P> <P> The peel of some fruits--for example, pomegranates--is high in tannins and other polyphenols, and is employed in the production of dyes . </P> <P> The peel of citrus fruits is bitter and generally not eaten raw, but may be used in cooking . In gastronomy, the outermost, colored part of the peel is called the zest, which can be scraped off and used for its tangy flavor . A large piece of citrus peel, called a "twist", is often used to garnish cocktails . The fleshy white part of the peel, bitter when raw in most species, is used as succade or is prepared with sugar to make marmalade or fruit soup . The peel can also be candied, or dried to produce a seasoning (e.g. chenpi). </P> <P> Fruit allergies make up about ten percent of all food related allergies . </P>

What is the skin of the orange called