How do the chemical structures such as bonding and branching impact the structure, properties, and functions of the digestible carbohydrates and fibers found in food?


The type of glycosidic bond determines digestibility; alpha bonds are digestible by humans, whereas beta bonds are not. The arrangement of glucose molecules in starch can be linear (amylose) or highly branched (amylopectin). The numerous branch points when compared to linear points have a physiological advantage because enzymes can hydrolyze multiple glycosidic bonds simultaneously.

Nutritional Science

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Potassium _____

a. is directly necessary for protein synthesis in cells b. protects bone structure against degeneration c. is the body's principal electrolyte inside the cells d. is necessary for wound healing e. is necessary for blood coagulation

Nutritional Science

Baking at altitudes above 1,000 feet requires changes in yeast bread recipe ingredient measurements, preparation time, and oven temperatures.

Answer the following statement true (T) or false (F)

Nutritional Science

Poultry is roasted in a preheated oven set between

a. 300 degrees F and 325 degrees F. b. 325 degrees F and 350 degrees F. c. 350 degrees F and 375 degrees F. d. 375 degrees F and 400 degrees F.

Nutritional Science

A high intake of fat is associated with some types of cancer.

a. true b. false

Nutritional Science