CFS Food Packaging & Shelf Life 2

Question 1

What is the primary function of oxygen scavengers incorporated into food packaging?

Accepted Answer

To remove residual oxygen and prevent oxidative spoilage

Answer

To absorb excess moisture from headspace

Answer

To kill pathogenic bacteria on food surfaces

Answer

To maintain carbon dioxide concentration in the package

Question 2

What does the Q10 value represent in accelerated shelf life testing?

Accepted Answer

The ratio of reaction rates for a 10°C temperature increase

Answer

The quality score at 10 days of storage

Answer

The oxygen level at 10% headspace concentration

Answer

The quantity of product packaged within 10 hours

Question 3

Retort packaging, such as flexible stand-up pouches, is specifically designed to withstand:

Accepted Answer

High pressure and high temperature sterilization conditions

Answer

Freezing temperatures below -40°F

Answer

Prolonged UV light and sunlight exposure

Answer

Mechanical abrasion during distribution

Question 4

Which gas is most commonly used in high-oxygen MAP to maintain the bright red color of fresh red meat?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Carbon dioxide

Answer

Carbon monoxide

Question 5

Migration of substances from food-contact packaging materials into food is regulated in the United States primarily under:

Accepted Answer

FDA regulations under 21 CFR

Answer

USDA FSIS regulations

Answer

EPA environmental standards

Answer

OSHA workplace safety guidelines

Question 6

What is the primary purpose of accelerated shelf life testing (ASLT)?

Accepted Answer

To predict shelf life by storing products under elevated stress conditions

Answer

To rapidly sterilize food products before packaging

Answer

To speed up the mechanical packaging process

Answer

To increase production line throughput

Question 7

Which packaging material property is most critical to evaluate when selecting packaging for a high-fat snack food prone to rancidity?

Accepted Answer

Oxygen Transmission Rate (OTR)

Answer

Tensile strength

Answer

Coefficient of friction

Answer

Haze and clarity