A food calorimeter is a list drawn or listed according to the energy contained in a unit food quantity (such as100g) for reference in diet and health care. Different foods produce different energy.

For patients with obesity, diabetes, hypertension and other chronic diseases, controlling the body's energy intake every day is a way to alleviate their own diseases. Therefore, it is necessary to measure the energy contained in each food for patients to calculate or arrange the total energy contained in each meal.

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The daily calories required by normal people are related to their 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 calories required by an adult weighing 50 kg are as follows:

Average required heat = 4. 186 kj * 24 hours * 50 kg = 5023.2 kj.

On average, for every weight gain of 1 kg, the required calories of human body will increase by 0. 1MJ. Generally speaking, an adult man needs about 9.25 to 10.09 million joules every day; An adult woman needs about 7.98 to 8.82 million joules per day.

Primary school students need about 9.25 million joules of heat every day on average, which is similar to the minimum heat required by an adult man. Middle school students are developing, so they need to consume more calories. Boys need an average of 65,438+00.465 MJ per day, while girls need 65,438+00.046 MJ.

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