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Packaging materials is taught in the note for Packed Meals. Read it below and look for the section on this topic.

Packed Meals

12 min read

Planning packed meals

A packed meal is food prepared at home or in a kitchen to be eaten somewhere else: a school lunch, a picnic, a travel meal or a work lunch. It should be nutritious, safe, easy to eat, attractive, not messy and able to stay good without refrigeration until eaten. Include a staple (sandwich, chapati, rice), a protein (egg, chicken, beans), a fruit or vegetable, and a drink.

Packed mealContents
School lunchChapati roll with egg and vegetables, a banana, water
PicnicChicken pieces, boiled eggs, bread rolls, salad, fruit, juice
TravelDry foods: boiled cassava, groundnuts, biscuits, fruit, water
Office lunchRice, beans and greens, in a container with a lid

Packaging materials

MaterialAdvantagesDisadvantages
Plastic container with a lidLeak-proof, reusable, washableCan hold smells; avoid hot food in thin plastic
FoilKeeps food warm or freshSingle-use
Greaseproof paper / baking paperWraps sandwichesNot for liquids
Banana leavesNatural, cheap, biodegradableTear
Insulated flask / cool boxKeeps hot or coldHeavy, costs more
Plastic bagsCheapPollution; not good for hot food

Food must be cooled before packing to avoid sweating, which spoils it. Keep it away from heat. Wash and dry containers well. Avoid foods that spoil quickly (cream, mayonnaise, undercooked meat) unless kept cold. Use biodegradable or reusable packaging to protect the environment.

In a warm bag (30 °C) bacteria can double every 30 minutes (illustrative).
Try itTime in the danger zone

Choose how many hours a packed meal stays unrefrigerated at about 30 °C.

Check yourself A good packed meal should be
Check yourself Which packaging material is biodegradable?
Check yourself Food should be cooled before packing to

Key terms

Packed meal
Food prepared to be eaten away from home.
Biodegradable
Able to be broken down naturally.
Insulated
Able to keep heat or cold.
Leak-proof
Not allowing liquid out.

Summary

  • A packed meal is nutritious, safe, attractive and easy to eat.
  • Choose suitable packaging and cool food first.
  • Avoid foods that spoil quickly or keep them cold.
  • Use reusable or biodegradable materials.