Heat is a unit of energy in food, which is used to measure the energy provided by food. The concept of calorie was first put forward by French chemist Nicolas Kreno in the19th century, and was widely adopted in the 20th century. Calories are usually used to describe the energy contained in food and drinks. One calorie is equal to the amount of energy required, that is, 1 kcal.
The use of calorie units can help people control their diet and weight management. By knowing the calorie content of different foods, people can better control their daily energy intake, so as to achieve the purpose of healthy eating and weight management.
It should be noted that each person's energy demand varies with age, gender, physical activity level and other factors, so when determining the individual's calorie intake, it should be adjusted according to the actual situation. In addition, the balance and diversity of diet is also the key to a healthy life, and it is not enough to just pursue calorimeter.
Matters needing attention in conversion of heat units
1, formulate accurate conversion standards: kilocalories (kilocalories) were originally used as a unit of measurement, but in real life, they are often abbreviated as calories. Therefore, it is necessary to specify whether kilocalories or large calories are used for conversion.
2. Determine the reference food: the conversion of calorie units usually needs to be calculated with a food or ingredient as a reference. Common reference foods can be white rice, eggs, bread, etc.
3. Pay attention to food processing methods: Different food processing and cooking methods may lead to changes in calorie content.
4. Consider food ingredients: Food contains not only calories, but also nutrients such as carbohydrates, fats and protein. Converting calories directly may ignore other important nutrients.
5. Based on reliable data sources: When converting calorie units, reliable data sources should be used, such as food composition tables and professional diet planning software. This can ensure the accuracy and reliability of the conversion.
Reference to the above content: Baidu Encyclopedia-Big Brand