Basal Metabolic Rate

Friday, June 26th, 2009

At certain times, a person’s basal metabolic rate may change and consequently calorie need is affected. During periods of illness or stress, the basal metabolic rate tends to slow down and fewer calories will be needed, but during pregnancy and while breastfeeding it speeds up. A pregnant woman needs about 300 calories more a day [...]

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Food energy

Friday, June 26th, 2009

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 measured [...]

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