2. The calorific value required by human body varies from person to person, and the main factors affecting it are labor efficiency, age, climate, figure, rest weight and physical condition.
3. According to the book Calories and protein Intake published by the World Health Organization, a healthy adult woman needs to consume 1800 ~ 1900 calories every day, while men need 1980 ~ 2340 calories.
4. Among them, the intake of protein should be 65,438+00% ~ 65,438+05% of the daily calorie required by human body; The intake of carbohydrates should not be less than 55% of the daily calories needed by the human body; The intake of human fat should not exceed 30% of the daily calorie value. In addition, the daily intake of salt should not exceed 6 grams, and the daily intake of dietary fiber should not be less than 16 grams.