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Friday 8 February 2019

Bacteria in food.

Things bacteria need to survive: Time + Water + Food + Oxygen + Warmth + Neutral PH levels.

Bacteria are little particles that go on food that is left out for more than two hours, chicken is mainly one worst food that bacteria goes on. If you decide to eat that food you will get sick.

Pathogenic bacteria requires food rich in Nutrients to survive such as poultry, fish, dairy, fruit, and Vegetables. These foods are generally perishable foods that if not stored correctly, it will go bad within a few days.
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Bacteria growing temperature =  4 - 60 degrees, below 4 will not kill bacteria instead, slow it down from multiplying causing illness. Above 75 degrees slowly kill them, and 37 degrees are the optimal temp for bacteria to grow. Bacteria will start going in food when the food is left out for 2 hours after 2 hours have passed, every 20 minutes the bacteria will start to double.
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HOW NOT TO GET BACTERIA:
Food: Food is covered and stored properly
Oxygen: Stored in airtight containers
Neutral environment:  Preserving foods with vinegar, salt, lemon. This affects the growth of bacteria, and a clean surface
Temperature:  Stored in freezer = -18, Refridgerator = 2 - 4, Cooked = Over 75, Reheated = Over 80
Moisture:  Left to cool and going into fridge, and avoid condensation.
Time :  Not left out for 2 hours.

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