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The calorie is a unit of energy that originated from the caloric theory of heat. [1][2] The large calorie, food calorie, dietary calorie, or kilogram calorie is defined as the amount of heat needed to raise the temperature of one liter of water by one degree Celsius (or one kelvin). [1][3] The small calorie or gram calorie is defined as the ...
The AI-driven data group reported that by 2030, the average adult should consume 100 to 800 less kilocalories per year, leading to an around 10 trillion kilocalorie annual reduction in most U.S ...
Daily supply of food energy per person in different countries, 1700 to 2018. Food consumption is the amount of food available for human consumption as estimated by Our World in Data.
The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.
The kilocalorie per mole is a unit to measure an amount of energy per number of molecules, atoms, or other similar particles. It is defined as one kilocalorie of energy (1000 thermochemical gram calories) per one mole of substance. The unit symbol is written kcal/mol or kcal⋅mol −1. As typically measured, one kcal/mol represents a ...
3400-3600 (14,200–15,100) >3600 (>15,100) The dietary energy supply is the food available for human consumption, usually expressed in kilocalories or kilojoules per person per day. It gives an overestimate of the total amount of food consumed as it reflects both food consumed and food wasted. [1] It varies markedly between different regions ...
In chemistry and thermodynamics, the standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements in their reference state, with all substances in their standard states. The standard pressure value p⦵ = 105 Pa (= 100 kPa = 1 ...
Calorie restriction (also known as caloric restriction or energy restriction) is a dietary regimen that reduces the energy intake from foods and beverages without incurring malnutrition. [ 1 ][ 2 ] The possible effect of calorie restriction on body weight management, longevity, and aging-associated diseases has been an active area of research.