calorie definition nutrition
Calorie kalo-re any of several units of heat defined as the amount of heat required to raise the temperature of 1 kilogram of water by 1 degree Celsius 1C at a specified temperature. For historical reasons two main definitions of calorie are in wide use. Pin On Cooking For One The amount of energy in an item of food or drink is measured in calories. . A unit equal to the amount of heat needed to increase the temperature of one gram of water by one degree Celsius. Carbohydrates fiber fats proteins organic acids polyols and ethanol all release energy during metabolismthis is often called food energy. Use these rules of thumb. Technically a kilocalorie represents 1000 true calories of energy. Its common to think of calories in food as a way to measure amounts but thats not quite accurate. A calorie is a unit of energy. Any food constituent that aids in the support of life. La calorie est beaucoup utilisée en diététique pour quan...