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Explain the following and give an example of the use of each - Leaving Cert Home Economics - Question 6 - 2004
Question 6
Explain the following and give an example of the use of each. Biodegradable packaging ________________________________________________ Use ________________________... show full transcript
Worked Solution & Example Answer:Explain the following and give an example of the use of each - Leaving Cert Home Economics - Question 6 - 2004
Step 1
Biodegradable packaging
Answer
Biodegradable packaging refers to materials that can break down into natural substances through the action of microorganisms. This type of packaging is designed to minimize waste and reduce environmental impact. Examples of biodegradable materials include plant-based plastics and paper.
Example: Common uses of biodegradable packaging include:
- Paper bags for carrying groceries (e.g., used for bread, cakes, sugar, and flour).
- Cardboard packaging for cereals and takeaway food.
Step 2
Use
Answer
The use of biodegradable packaging is prevalent in various food and beverage sectors to promote sustainability. For instance:
- Paper bags are frequently used for items like bread and cakes.
- Cardboard boxes are utilized to package cereals, allowing for an eco-friendly alternative to plastic.
Step 3
Modified atmospheric packaging
Answer
Modified atmospheric packaging (MAP) involves altering the atmosphere within a packaging container to extend the shelf life of products. In this method, air is removed from the package and replaced with a controlled mixture of gases, such as nitrogen or carbon dioxide, which helps to preserve the freshness of the contents.
Example: Modified atmospheric packaging is commonly used for:
- Fresh meats, fish, and vegetables to maintain quality and prevent spoilage.
- Baked goods and cheese for prolonged freshness.
Step 4
Use
Answer
The application of modified atmospheric packaging is crucial for the food industry, as it helps in reducing food waste and extending product shelf life. For instance:
- Fresh fish is often packaged using MAP to keep it fresh longer.
- Vegetables are similarly packed to retain their texture and nutrients.