1. Principle and application of risk assessment for food hazards
Mid-term exam
Final exam
Essay

2. What are hazards in food system?
Physical
Fish bones, nail, hair, etc…
Chemical
Environmental pollutants
Heavy metal
Polymers
Pesticides
Antibiotic residues
Food additives (legal or illegal)

3. Biological
Bacteria
Fungi
viruses
Parasites
Prion

4. Natural toxins Bacterial toxins Mycotoxins Animal toxins Plant toxins
Puffer fish, cigatoxins, PSP,
Plant toxins

5. Risk assessment Define risk, danger, and hazard Types of hazards
Toxicity of the hazards
Toxic dosage
Concentrations of the hazards
Contact and absorption pathway
Food, water, air, and skin.
Balance of absorption and detoxication
Age, gender, body size, health status

6. Toxicological studies of the hazard
Decide which hazard
Toxicological studies of the hazard
Concentrations of the hazard in food or environment
Maximally possible absorption concentration
The worst case scenario