Eli5: How do they get the nutritional values for the nutrition information tables on food packaging?

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Not sure if every country has this but a nutrition table is provided for every single packaged food product in my country, it made me curious as to how this information is derived.

To add onto this, how accurate is it? I find it hard to believe every single packet of chips of a specific brand contains the exact same amount of carbs

Thanks!

In: Chemistry

5 Answers

Anonymous 0 Comments

They simply burn the food and measure the amount of resulting heat. Which is more or less what your body does with food too – burning it – albeit with far more intermediate steps to make the process more controllable. (Also extracting amino-acids for protein construction, but still).

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