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Topics to know well for the Final Examination 2016--physico-chemical parameters
- You should understand the physico-chemical parameters that affect microbial growth and survival.
- Temperature preferences and effects of different micororganisms.
- The heat treatment in particular is an important way of food safety assurance and need to know all aspects on D value, Z value, and F value. You need to know how they are calculated and used in heat treatment scenarios.
- Moisture contents vs water activities.
- Strong acids and weak acids effects on growth and survival of different kinds of microorganisms.
- Aerobic vs anaerobic respiration vs fermentation
- Redox potential as a predictor of kinds of microorganism that grow on the food
- How the phsico-chemical parameters are manipulated for prevention of foodborne diseases and food safety
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