In Alissa Hamilton's book "Squeezed: What You Don't Know About Orange Juice" from Yale University Press, she says that people looking for fresher, less processed foods won't find it in a carton of Minute Maid Premium, Tropicana or Simply Orange.
"It's a misconception that it's freshly squeezed from the groves of Florida," she said.
Rather, it's often a heavily processed product. In the pasteurization process, it's heated, stripped of oxygen and flavor chemicals, then put in huge storage vats for up to a year. When it's ready for packaging, flavor derived from orange essence and oils is added to make it taste fresh. Each company has its own special flavor pack, but to call it natural at this point is a real stretch, she said.
The phrase "not from concentrate" came about when Tropicana (an NFC juice) suddenly had to compete with similar looking cartons that were reconstituted from concentrate. The phrase was introduced to try to make consumers pay more for a product that is more expensive to manufacture but not fresher, said Hamilton. Orange "flavor" isn't listed on the label ingredients because that disclosure isn't required.
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I can buy organic oranges for 33 cents each, squeeze them, then eat the remaining part (I'm not overly efficient about squeezing them). You get juice, and all the benefits (fiber, vitamins, freshness) of eating a whole orange.