: Why is there dextrose in salt?
In: Chemistry
It is used (in extremely small quantities) to chemically stabilize the potassium iodide. Iodine (or iodide) is a necessary part of the human diet, and without it people would get thyroid problems such as goiters.
Apparently, without the dextrose, the iodide would oxidize and then evaporate. According to Morton, a brand of table salt, their salt is 0.04% dextrose. I read that a teaspoon contains about 20,000 granules of sugar. That means a teaspoon of salt would contain the equivalent of 8 granules, if my math is right. Not very much, and a teaspoon is quite a lot of salt.
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