How is food energy measure??
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Energy is measured in units of kilocalories (kcal) or kilojoules (kJ). One kilocalorie (1 kcal) is equal to 4.18 kilojoules (4.18 kJ). The amount of energy a food contains per gram is known as its energy density so we can describe fat as more energy dense than protein or carbohydrate.
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Energy is measured in units of kilocalories (kcal) or kilojoules (kJ). One kilocalorie (1 kcal) is equal to 4.18 kilojoules (4.18 kJ). The amount of energy a food contains per gram is known as its energy density so we can describe fat as more energy dense than protein or carbohydrate.
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