Home Economics - Food Sustainability

  1. What is food sustainability?
    This means choosing and using food that is healthy for consumers and that does not harm the environment, animals or workers involved in producing the food
  2. Give examples of how we can promote food sustainability
    Choose foods produced locally

    Buy organic and free-range foods
  3. State the benefits of choosing locally produced food
    It reduces the impact on the environment

    The food is fresher, tastes better and is more nutritious

    It supports Irish farmers and communities

    It reduces spoilage and waste as the food does not spend long time in transit
  4. Describe how a person can prevent food waste
    Plan meals carefully and follow a shopping list

    Serve correct portion sizes

    Store leftovers safely and use up quickly
  5. Explain the principle of food preservation
    This works by removing one or more conditions so that micro-organisms cannot grow and enzymes are inactivated

    It prevents food from going bad
  6. How can food be preserved?
    • Removing warmth
    • Removing moisture
    • Removing oxygen
    • Changing the pH
  7. How can food be preserved by removing warmth?
    Refrigeration

    Freezing
  8. How can food be preserved by removing moisture?
    Drying (dehydration)
  9. How can food be preserved by removing oxygen?
    Canning

    Bottling
  10. How can food be preserved by changing the pH?
    Using vinegar as a preservative
  11. List the advantages of preserving food
    Prevents waste so it saves money

    Seasonal foods are available out of season

    Adds variety to the diet

    Saves time and energy as require little preparation
  12. List the different methods of preserving food
    • Freezing
    • Canning
    • Drying
    • Freeze-drying
    • Jam Making
    • Pasteurisation
    • Using Preservatives
    • Irradiation
  13. Define blanching
    This is placing prepared vegetables into boiling water for 1-4 minutes to inactivate enzymes and then plunge into cold water to stop them cooking
Author
mshowley
ID
349286
Card Set
Home Economics - Food Sustainability
Description
Food Sustainability
Updated