Lec 03 STM3163 sem 1 24-25 22.10.24

Why is passive protection important in food packaging?

• To make the food easier to prepare

• To ensure the food remains safe and uncontaminated

• To help the packaging look more appealing

• To improve the taste and aroma

Which is most commonly used for passive protection due to its ability to block light and moisture?

• Paperboard

• Cotton fabric

• Wood

• Aluminum foil

The active protection role of food packaging involve:

• Actively interacting with the food to extend shelf life

• Ensuring the food is easy to carry

• Improving the visual appeal of the food

• Providing a physical barrier

An example of active packaging is?

• sealed plastic bag

• transparent container to view the food inside

• package with oxygen scavengers to reduce oxidation

• cardboard box preventing physical damage

The main purpose of active packaging is

• provide information about the product

• reduce the packaging weight

• enhance the preservation of food

• change the color of the packaging

This is NOT an example of active packaging

• Moisture absorbers in a food package

• Antimicrobial agents integrated into the packaging

• Smart labels indicating food freshness

• Standard glass jar with a lid

How to active control moisture in packaged foods?

• Vacuum sealing

• Moisture absorbers

• Transparent windows

• Perforated plastic

This is an example of secondary packaging

• refrigerated truck for transporting food

• plastic film wrapping individual candy bars

• aluminum can used for beverages

• cardboard box holding multiple candy bars

The main purpose of tertiary packaging is

• protect food during retail display

• inform consumers about the product

• prevent food from drying

• facilitate bulk transportation

Which is the most commonly used polymer for food packaging?

• Polyvinyl chloride (PVC)

• Polyethylene (PE)

• Polypropylene (PP)

• olystyrene (PS)