Food Preservation
Chapter Name : Microorganisms: Friend And Foe |
Sub Topic Code : 103_08_02_03_01 |
Topic Name : Food Preservation |
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Sub Topic Name : Chemical Method |
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Introduction
Chemical food preservation - it's a method of preserving food using chemicals. It prevents microbial growth and prevents the loss of nutrients.
Pre-Requisites:
What is chemical method of food preservation?
Activity:
Ingredient labels on food packages, it'll be mentioned the chemical used to preserve food.
Real Life Question:
What kind of chemicals are used to preserve food?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Benzoates | Chemical such as sodium benzoate is used to preserve food |
| Sulphites | Chemicals such as sulphur dioxide |
| Nitrites | Chemicals such as sodium nitrite. |
Learning aids / Gadgets
| Gadgets | How it can be used |
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Real life uses :
Food is preserved through chemicals as it helps in killing bacteria.
Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
What is chemical food preservation
What you learn in Practice:
The different chemicals used to preserve different kinds of food.