Week 3 Checkpoint: Fiber Research
What is the function of fiber in the body?
Fiber assists the body in digestion,
constipation as well as provides cholesterol-lowering benefits (Van Horn, 1997).
Additionally, fiber activates peristalsis, which is a wavelike muscular contraction in the
intestine that helps to move ingested food through the digestive tract.
What are some examples of food sources of dietary fiber?
Some wonderful sources of
dietary fiber include foods such as fruits, vegetables, whole-grains bread and pasta, high-
fiber foods, beans and legumes.
What is the difference between soluble and insoluble fiber?
Soluble fiber attracts water and changes into gel throughout digestion, which slows
down digestive process. Moreover, soluble fiber has been known to improve a person’s
diet, lower cholesterol, and reduce the risk of cardiovascular disease. Soluble fiber is
found in oat bran, barley, beans, peas, rice bran, nuts, seeds, beans, lentil, citrus fruits,
strawberries, and apple pulp (Van Horn, 1997). Last, fibers that contain a large amount of