What is the calorie of food?

Food 1000 energy equals 244 calories. A food calorimeter is a list drawn or listed according to the energy contained in a unit amount of food (for example, 100g) for reference in diet and health care. Different foods produce different energy. For patients with obesity, diabetes, hypertension and other chronic diseases, controlling daily energy intake is a way to alleviate their own diseases.

Daily calories required by normal people

The calories a normal person needs every day are related to his weight. The relationship between calorie intake per hour and body weight is about 1 kcal/hour/kg, that is, 4. 186 kj/hour/kg. Therefore, the normal average daily calorie requirement of an adult weighing 50 kg is as follows: average calorie requirement =4. 186 kj *24 hours *50 kg =5023.2 kj.

On average, for every kilogram of weight gain, the body needs 0. 1MJ more calories. Generally speaking, an adult male needs about 9.25 ~100900 joules per day, and an adult female needs about 798 ~ 88200 joules per day. Pupils need about 9.25 million joules of heat every day on average, which is similar to the minimum heat required by an adult man.