Measuring energy requirement , expenditure and growth

Introduction

Body need regular supply of energy to carry out the basic functions. Energy is required for growth, development, organ functioning, thermoregulation and work. Energy measurement are carried out in kilocalorie unit (kcal) or kilojoule (kJ).

Calorie © and kcal are often used to denote the same amount of energy expended or derived from food. A kcal or Cal is ‘’the amount of heat required to raise the temperature of 1 kg of water by 1 degree Celsius’’. Occasionally, kcal is confused with calorie (lower case ‘’c’’ ) which is ‘’ the amount of energy required to increase temperature of one gram of water by 1 ‘’c’’.

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https://nutritionalstatus0303.blogspot.com/2021/05/measuring-energy-requirement.html