FOOD TECHNOLOGY

FOOD QUALITY AND SAFETY

QUALITY CONTROL IN FOOD PROCESSING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Packaging material which is hard and glossy but grease resistant and brittle at all temperatures.
A
polyamide
B
ethylene-vinyl chloride
C
polyvinylidene chloride
D
polyvinyl chloride
Explanation: 

Detailed explanation-1: -Polypropylene Polypropylene is a clear glossy film with a high strength and puncture resistance. It has a moderate barrier to moisture, gases and odours, which is not affected by changes in humidity.

Detailed explanation-2: -This is commonly called as nylon PA which is tough, grease-resistant, less permeable to gases, and has a moisture permeability.

Detailed explanation-3: -Examples of rigid packaging materials include corrugated and paperboard boxes, plastic bottles and boxes, aluminum cans, and glass jars. Popular applications include cereal boxes, glass bottles of spirits, cans of soup, and laundry detergent bottles.

Detailed explanation-4: -PVC is flexible, light, cost-effective, transparent, tough and safe. It has excellent organoleptic properties (does not affect the taste of the packaged food), and requires less fuel to manufacture and transport when compared with other packaging materials such as metal or glass.

There is 1 question to complete.