Which of the following is considered a functional fiber?
A) hemicellulose
B) fructans
C) psyllium
D) lignin
Question 2
Functional fiber is currently defined as ____.
A) carbohydrates and lignin that are nondigestible by human enzymes and are intact and intrinsic in plants
B) carbohydrates that are nondigestible by human enzymes; have been isolated, extracted or manufactured; and have been shown to have beneficial physiological effects in humans
C) all dietary fiber
D) the same as crude fiber