The grapefruit trees are found in subtropical regions that are regions where winters are mild and summer is relatively hotter. Grapefruit is a citrus fruit which means it is sour in taste and if one goes by the historical records, this fruit is a hybrid that was first bred in Barbados during the eighteenth century. The skin of the fruit has a yellow-orange color and it is spheroid in shape with diameter ranging from 10-15 cm.