How are companies able to measure the amount of calories and composition of the packaged food they are selling? How do we as consumers know it’s accurate?

Question

How are companies able to measure the amount of calories and composition of the packaged food they are selling? How do we as consumers know it’s accurate?

In: Other

Answer 1

They use a device called a caloric bomb. It is basically a tiny little sealed chamber. They put a certain amount of the food in there, heat it, and then once it starts to burn they measure the amount of heat given off by the burning. This tells them exactly how many calories are in the food.