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Food spoilage organisms. Lesson objective – to understand the conditions that cause food spoilage. Questions. Do you know when food spoilage may occur? What is physical contamination? How could transportation affect food? What is the average shelf life of fresh food?.
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Food spoilage organisms Lesson objective – to understand the conditions that cause food spoilage
Questions • Do you know when food spoilage may occur? • What is physical contamination? • How could transportation affect food? • What is the average shelf life of fresh food? Lesson objective – to understand the conditions that cause food spoilage
Micro-organisms • Yeasts • Mounds • Bacteria • Task 1 – find out what all three of these mean Lesson objective – to understand the conditions that cause food spoilage
Did you know? • Ion order to grow and multiply micro-organisms you need: • Warmth\moisture • Food supply • Time • Air\neutral pH • If one or more of these conditions is removed then growth of micro-organisms is slowed Lesson objective – to understand the conditions that cause food spoilage
Task 2 • Go onto the internet and copy and paste a temperature control that shows the prevention of food spoilage indicators • Task 3 • Now read the case study on page 79 and answer the questions 1-2-3 • List what micro organisms are (all three) • What does aerobic bacteria need to grow? • Wht does Anaerobic bacteria need to grow? Lesson objective – to understand the conditions that cause food spoilage