Carbohydrates in Action
I. For each carbohydrate listed, identify what type it is, its composition and a food source.
Carbohydrate
Type (simple or
complex)
Composition (mono-, di, poly-)
Food source
1. Fiber
2. Fructose
3. Galactose
4. Lactose
5. Maltose
6. Starch
7. Sucrose
II. Refer to the Dietary Guidelines to answer questions 8 and 9.
8. How many grams of fiber should you include in your diet each day?
9. According to the Dietary Guidelines, what percent of total calories should added (refined) sugars be
limited to?
10. What is the difference between natural and refined sugars? How can you identify each?