CFS Food Packaging & Shelf Life

Question 1

What does MAP stand for in food packaging technology?

Accepted Answer

Modified Atmosphere Packaging

Answer

Maximum Allowable Preservation

Answer

Moisture-Adjusted Processing

Answer

Microbial Activity Prevention

Question 2

Which property of a packaging material measures its resistance to gas transmission?

Accepted Answer

Oxygen Transmission Rate (OTR)

Answer

Tensile strength

Answer

Seal integrity

Answer

Burst strength

Question 3

A water activity (aw) value of 0.85 or below generally inhibits the growth of which organisms?

Accepted Answer

Most pathogenic bacteria

Answer

Xerophilic molds

Answer

Halophilic bacteria

Answer

Osmophilic yeasts

Question 4

What type of packaging incorporates agents that actively interact with the food or its headspace environment?

Accepted Answer

Active packaging

Answer

Passive packaging

Answer

Modified atmosphere packaging

Answer

Vacuum packaging

Question 5

Which packaging polymer is recognized as one of the best oxygen barrier materials used in multilayer food packaging?

Accepted Answer

Ethylene vinyl alcohol (EVOH)

Answer

Polyethylene (PE)

Answer

Polypropylene (PP)

Answer

Polyester (PET)

Question 6

The Arrhenius equation is commonly applied in food shelf life studies to:

Accepted Answer

Predict chemical reaction rates at different storage temperatures

Answer

Calculate microbial colony growth rates

Answer

Determine packaging material burst strength

Answer

Measure equilibrium relative humidity

Question 7

Which test method is standardized to determine the seal strength of flexible food packaging?

Accepted Answer

Peel test

Answer

Burst test

Answer

Compression test

Answer

Drop test