Chapter 4: Fiber, Types of Fiber

Question 1

Cellulose

Answer 1

Dietary Fiber, B1-4 bonds, insoluble, non-fermented. Found in whole grains, legumes, root v, nuts, cabbage.

Question 2

Hemicellulose

Answer 2

Dietary Fiber, B1-4, B1-3, insoluble, fermentable, side chains create fermentability and sugar position. Backbone arabinose, glucoronic acid, galactoside. Found in whole grains, nuts, legumes, and some fruits and v

Question 3

Pectins

Answer 3

Dietary and Functional Fiber. soluble, fermentable, gel forming, galacturonic acid as backbone. Found in apples, berries, apricots, cherries, grapes, and citrus.

Question 4

Lignin

Answer 4

Dietary Fiber, insoluble, fermentable, aromatic. Found in wheat rye, root vegetables, flax

Question 5

Gums

Answer 5

dietary and functional fiber, B1-4 and B1-6, fermentable, water soluble and water binding. found in oatmeal, barley and legumes

Question 6

B Glucans

Answer 6

Dietary and Functional Fiber, soluble, fermentable. Found in oats, barley, and mushrooms.

Question 7

Frunctans

Answer 7

Dietary and Functional fiber, B2-1 soluble, fermentable, found in chicory, asparagus, leeks, onions, artichokes, tomatoes, bananas, cereal, dairy.

Question 8

Resistant Starch

Answer 8

a1-4, partially fermentable, RS1 and RS2 are dietary, and Rs3 and RS4 are functional. found in green bananas, potatoes, legumes, maize, potatoes, rice, pasta, bread, corn

Question 9

Mucilages

Answer 9

dietary, fairly soluble, found in seeds and flax, reduce LDL

Question 10

Polydextrose/Polyols

Answer 10

dietary, fermentable, does not raise BG like other CHO, and is found in apples, watermellon, plums, peaches, pears

Question 11

Resistant Dextrins

Answer 11

dietary, soluble, fermentable, found in cornstarch and wheat starch. Usually made by heating or enzymatic treatment

Question 12

Chitin/Chitosan

Answer 12

functional, insoluble, found in exoskeleton of crabs, shrimp, and lobster.