Types of Bacteria :
Bacteria are all precisely about us, inwards the air, water, ground, on our peel as well as inwards our bodies. They are classified inwards a diverseness of ways, but for our role nosotros tin mail away categorize them inwards a to a greater extent than basic way.
Harmless bacteria - Most bacteria autumn into this category. They are neither assistance us nor are harmful to us. These bacteria bring a specific purpose, but are non a concerning to us inwards damage of nutrient safety,
Beneficial bacteria - Believe it or non some bacteria are helpful to us. Some bacteria are used inwards foods to brand cheeses as well as yogurts. And nevertheless others alive inwards our bodies to struggle of harmful bacteria.
Undesirable bacteria - Undesirable bacteria is responsible for nutrient spoilage. This type of bacteria may non brand yous sick, but they demo themselves past times the work of odors, viscid or slimy surfaces as well as discoloration.
Illness causing bacteria or pathogens - These are the bacteria that crusade most food-borne illnesses. Pathogens practice non necessarily larn out detectable odors or gustation inwards food. This makes it impossible to nation if nutrient is contaminated past times smelling or tasting, or looking at it. The alone way to protect yourself from this bacteria is past times proper nutrient treatment as well as sanitation.
Bacteria Growth :
Bacteria precisely multiply past times splitting inwards half. Under the ideal conditions, they tin mail away double inwards seat out every xv to xxx minutes. This way that i unmarried bacterium could multiply to a meg inwards less than vi hours.
What practice bacteria require to multiply?
Food - Some from of nutrient is a basic requirement for bacteria to grow.
Moisture - Water is required for bacteria inwards club to absorb food. Dry foods volition non back upwards bacterial growth. As well, foods alongside real high tabular array salt or saccharide content brand bacteria unable to work the wet present.
Temperature - Bacteria grow best at warm temperatures betwixt twoscore as well as 140°F. This temperature attain is what nosotros telephone telephone the nutrient danger zone.
Air - Most bacteria require oxygen to grow, but non all. There are some exceptions, i type of bacteria beingness botulism.
Time - When bacteria are introduced to a novel environment, they require fourth dimension to suit earlier they kickoff to grow. This fourth dimension is called the lag stage as well as terminal virtually i hour.
How is bacteria transferred?
Bacteria are carried from i house to some other past times beingness carried. This tin mail away happened past times peoples hands, coughs, other food, utensils, equipment, water, or pests.
Preventing Bacteria Growth :
Now that nosotros know how bacteria grow as well as are spread; nosotros should live on able to forbid food-borne affliction past times next 3 elementary steps.
1. Keep bacteria from spreading past times non letting anything that mightiness incorporate bacteria tough the food. This includes people, dingy equipment, utensils as well as mayhap other foods.
2. Stop bacteria from growing past times taking away the weather that encourage growth. The most effective way is to piece of work along nutrient out of the danger zone. Keep foods below 40°F as well as virtually 140°F
3. Finally kill the bacteria. Most bacteria are killed if they are discipline to a temperature higher upwards 165°F for xxx seconds. This is how nosotros brand nutrient prophylactic past times cooking. This oestrus is besides how nosotros sanitize dishes as well as equipment. Certain chemicals (such every bit bleach) besides kill bacteria. Using sanitizing agents is best way to sanitize counter tops as well as large equipment.