Orange (fruit) orange juice between the São Paulo and mid-south Florida areas makes up roughly 85% of the world market. Brazil exports 99% of its production, while 90% of Florida's production is consumed in the United States. Orange juice is traded internationally in the form of frozen, concentrated orange juice to reduce the volume used so that storage and transportation costs are lower. Oranges, whose flavor may vary from sweet to sour, are commonly peeled and eaten fresh or squeezed for juice. The thick bitter rind is usually discarded, but can be processed into animal feed by desiccation, using pressure and heat.
Orange juice commercially processed had levels as high as 8.53 milligrams per liter. A small fraction of fresh orange juice is canned. Canned orange juice retains Vitamin C much better than bottled juice. The canned product loses flavor, however, when stored at room temperature for more than 12 weeks. In the early years of canned orange juice, the acidity of the juice caused the juice to have a metallic taste. In 1931, Dr. Philip Phillips developed a flash pasteurization process that eliminated this problem and significantly increased the market for canned orange juice. Fresh-squeezed, the unpasteurized juice is the closest to consuming