No one knows how to make a can of Coke  MAR 05 2013

In the spirit of I, Pencil, here's how a can of Coke makes its way from the bauxite mines of Australia and the forests of Sri Lanka to your local grocery store shelf.

Coca-Cola is made from a syrup produced by the Coca-Cola Company of Atlanta. The main ingredient in the formula used in the United States is a type of sugar substitute called high-fructose corn syrup 55, so named because it is 55 per cent fructose or "fruit sugar", and 42 per cent glucose or "simple sugar" -- the same ratio of fructose to glucose as natural honey. HFCS is made by grinding wet corn until it becomes cornstarch. The cornstarch is mixed with an enzyme secreted by a rod-shaped bacterium called Bacillus and an enzyme secreted by a mold called Aspergillus. This process creates the glucose. A third enzyme, also derived from bacteria, is then used to turn some of the glucose into fructose.

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