Topic 2: Part E Flashcards Preview

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Flashcards in Topic 2: Part E Deck (16)
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1
Q

Main purpose of food packaging

A

used to slow food deterioration by offering protection from physical, chemical and biological factors

2
Q

Common food packaging materials include..

A

glass, paper, plastic (thermoplastic) and metal

3
Q

The type of packaging used is often dependent on the..

A

food to be packaged

4
Q

Having no oxygen in food packaging prevents..

A

oxidative reactions in foods

5
Q

Examples of Modified Atmospheric Packaging (MAP)

A

bagged salads, vacuum packaged deli meats, fresh pasta.

6
Q

Modified Atmospheric Packaging (MAP)

A

food is packaged in wrap that oxygen cannot permeate.

7
Q

Benefits of removing oxygen

A
  • slows ripening
  • prevents colour change
  • reduces mould and bacterial growth
  • prevents lipid rancidity
  • slows the breakdown of vitamins
  • slows the enzymes that produce ‘off’ flavours and aromas
8
Q

Edible films

A

coatings that are applied to foods that provide a benefit to the food and can be consumed by the end user.

9
Q

Chitosan

A

sugar form the outer skeleton on shellfish that helps preserve fruits/veggies

10
Q

Intelligent packaging

A

interacts with the external or internal environment of the package. sensors on package letting use know what’s happening in the package

11
Q

Active packaging

A

cannot only sense changes within a product like intelligent packaging, however can also correct the change. controls moisture, oxygen levels

12
Q

Food packaging contributes significantly to ..

A

municipal waste in both Canada and the United States

13
Q

Recycling

A

manufacturers.food processors using packaging materials that are recyclable, and then consumers recycling the packaging

14
Q

The challenge for food processes manufacturers is too..

A

balance these methods with consumers demand for convenience and cost

15
Q

Methods to reduce this impact include:

A
  • source reduction
  • composting food scraps created by processing
  • using biodegradable packaging
  • recycling
16
Q

Source reduction

A

manufacturer food processors uses less material to package items and in shipping