1. Food spoilage organisms Lesson objective – to understand the conditions that cause food spoilage

2. 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

3. 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

4. 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

5. 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