Answer: Estimating the Fuel Value of a Food from Its
Chapter , Problem 2PE(choose chapter or problem)
Problem 2PE
Estimating the Fuel Value of a Food from Its Composition
(a) A 28-g (1-oz) serving of a popular breakfast cereal served with 120 ml_ of skim milk provides 8 g protein, 26 g carbohydrates, and 2 g fat. Using the average fuel values of these substances, estimate the fuel value (caloric content) of this serving, (b) A person of average weight uses about 100 Cal/mi when running or jogging. How many servings of this cereal provide the fuel value requirements to run 3 mi?
(a) Dry red beans contain 62% carbohydrate, 22% protein, and 1.5% fat. Estimate the fuel value of these beans, (b) During a very light activity, such as reading or watching television, the average adult expends about 7 kJ/min. How many minutes of such activity can be sustained by the energy provided by a serving of chicken noodle soup containing 13 g protein, 15 g carbohydrate, and 5 g fat?
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