Food-borne illness, preservation techniques and packaging types

What this note covers

1. Why food safety sits inside Topic 2
2. The four named pathogens and how they enter food
3. Preservation techniques: what each one actually does
4. Comparing packaging materials
5. Worked example: tracing an outbreak
6. Frequent errors to eliminate
7. How this is examined and what a top response looks like

7 sections · 12 key terms & formulas · 6 common mistakes