HUMAN NUTRITION

Detailed explanation-1: -Food energy is measured in kilocalories (kcals), commonly referred to as calories. Although technically incorrect, this terminology is so familiar that it will be used throughout this course. A kilocalorie is the amount of energy needed to raise 1 kilogram of water 1 degree Celsius.

Detailed explanation-2: -A calorie is a unit of measure of energy. Very specifically, it is the amount of energy that is required to raise the temperature of one mL, (which is also one gram), of water by one degree Celsius.

Detailed explanation-3: -Food energy is measured in kilocalories (kcals), commonly referred to as calories.

Detailed explanation-4: -The Calorie you see on a food package is actually a kilocalorie, or 1, 000 calories. A Calorie (kcal) is the amount of energy needed to raise the temperature of 1 kilogram of water 1 degree Celsius. Sometimes the energy content of food is expressed in kilojoules (kj), a metric unit. One kcal equals 4.184 kj.