HFLA templates_growth conditions of microbes..

Salmonella
It can cause nausea, vomiting, fever and headache and also the illness caused is Salmonellosis . It is found in food that is mostly raw/ not properly cook and an example of Salmonella that will be present is eggs and poultry. Salmonella grow best at 37oC and loves to grow on carbon source. It will proliferate when there’s presence of glucose. And and Salmonella does not love cold places so remember to stored your eggs in the fridge!

Temp: 21 to 37oC
Minimum temperature to sustained growth: 7.5 and 7.8oC
pH: 6.0 – 8.0


Coliforms
It can cause acute renal failure and hypertension. It is found in food that has fecal contamination or unsanitary processing. This can help to indicate the sanitary process of the industry. An example of Coliforms that will be present is water. It can be found when your water is unclean!

Optimum temp: -2 to 50 oC
pH: 4.8-9
aW : 0.96-0.99


B.cereus
It can cause poisoning. It is found in food that has not been cooled quickly and effectively after cooking and storage. It can be commonly found in soil and in many raw and processed foods. B.cereus can be killed, but the rate of killing depends on the destruction of heating temperature introduced and also the time. Cook your food up to 700C will help in killing B.cereus. An example of B.cereus will be present in is cereals and flour.

Optimum growth: 28–35oC
pH: <6.7
aW: <0.98

References.

-http://www.salmonella.org/faq.html#q3
- http://seafood.ucdavis.edu/haccp/compendium/Chapt10.htm
- past FPQAP research