FOSC 301 - SLO # 3
Embedded Questions
Embedded question #1. Explain “cold sterilization” with respect to ionizing
irradiation (5 points).
Embedded question #2. The efficacy of irradiation is greatly dependent upon
penetrating power and radiation effect of radiations. Describe direct effects
AND indirect effects of irradiation (5 points).
Embedded question #3. Your company has asked you to investigate the advantages and
disadvantages of ionizing irradiation as a means of inactivating pathogens in
your product, alfalfa sprout. List some advantages and
disadvantages of irradiation for this product (5 points).
Embedded question #4. Describe the principle mechanisms of microwave heating in
foods. You may use “dancing effect on microwave on water molecules” for easy
explanation (5 points).
Embedded question #5. Modified atmosphere packaged (MAP) products contain mixtures
of three gases, carbon dioxide, nitrogen, and oxygen. Discuss the function of each
as to it influence on the microbiological quality of a food product (5 points).
Embedded question #6. “Commercial sterilization” refers to a heat treatment
applied to low-acid canned foods designed to destroy pathogens. How does this
process differ in its objectives from the heat process called “pasteurization”
(5 points)?
Embedded question #7. Describe what you have learned from this course. Please
include your personal thought, suggestions, or any comments about this course
in this section (6 points).