orange is the fruit produced by orange tree, a tree of the family rutaceae. orange is a hybrid fruit that have arisen in antiquity from crossing the cimboa with tangerine. the taste of orange vary from sweet to slightly acid, but in nature there are also extremely bitter oranges, which are not grown commercially, and belong to another species, citrus aurantium1. often, this fruit is peeled and food to natural, or squeezed for juice. the seeds (small hard lumps) are usually removed, but can be used in some recipes. the outer shell can also be used in many culinary dishes such as ornaments, or even to provide some flavor. the albedo, the inner white layer shell, a variable size, is seldom used, despite having a slightly sweet taste. it is recommended to »break» the orange sour taste in the mouth after consuming the fruit finish. the sweet orange was brought from china to europe in the sixteenth century by the portuguese. is why the sweet oranges are called »portuguese» in several countries, especially in the balkans (eg orange in greek is portokali and portakal in turkish) in romanian is portocala and portogallo with different spellings in various italian dialects. juicy and sweet and famous for its concentration of vitamin c, oranges are the perfect snack and give a special tang to many recipes; it is no surprise that they are one of the most popular fruits in the world. oranges are citrus rounded with a fine-textured skin and, of course, pink-orange as its juicy pulp. usually range from 5 to 8 cm in diameter. oranges are classified into two general categories - sweet and bitter - the first being the most commonly consumed. popular varieties of sweet orange (sinensis citrus) include valencia orange, orange-the-bay and jaffa, and the orange-to-blood, a hybrid species of smaller size, more aromatic flavor and red gradations by whole pulp. bitter orange (citrus aurantium) are often used to make jam or marmalade and its bark serves to flavor liqueurs such as cointreau and mariner. in addition to strengthening nutrition for the body than vitamin c orange brings, this fruit is also very rich in fiber. health benefits: infectious diseases; thrombosis; arteriosclerosis; cardiovascular diseases; constipation;