How do you measure the calories in food?

Food

If you look at the back of the package of food and stuff, it says calories, but you don't know after eating it, so I wonder how to measure it.

How do you measure calories?

394 4 7 years ago

popular Let's go!

pu1. http://www.sciencetimes.co.kr/?news=%EB%AA%85%EC%A...
It's detailed here

2017-12-11

pu2. The way to calculate the calories in a dish is a bit complicated, but first, calculate the content of each of the three major nutrients in the dish. Then multiply this by calories per gram (protein, carbohydrate is 4kcal, fat is 9kcal) to add all the numbers. Recently, a device has been developed to measure calories in food by shooting ultraviolet rays

2017-12-11

pu3. Thank you!!

2017-12-11

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