Foods have different energy, or caloric, values because they contain varying combinations and amounts of protein, fat, carbohydrate and water. For example, a 50 gram (VA ounce) serving of cauliflower supplies only seven calories while a wholemeal roll of the same weight provides 135. MEASURING FOOD ENERGY The energy in the foods you eat is [...]
Doctors and nutrition experts tell you to eat a ‘balanced’ diet, but this does not mean eating the same amount of each type of food. You need to eat more of some foods than others to meet your body’s needs. For a balanced diet, the variety of foods you eat should work in harmony with [...]
How food is digested The nutrients your body needs for energy, maintenance and repair – including amino acids, glucose, fatty acids, vitamins and minerals – must first be extracted from food by the process of digestion. Digestion begins in your mouth as you chew the food you are eating to break it up into smaller [...]