Презентация Cleaning and disinfection in the kitchen. (Chapter 6) онлайн
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Слайды и текст к этой презентации:
№1 слайд
Содержание слайда: FOOD SCIENCE & HYGIENE
Chapter 6….
Cleaning and Disinfection in the Kitchen
№2 слайд
Содержание слайда: Facility design considerations
Dry storage
Shelves, table surfaces & bins should be made of corrosion resistant metal or food-grade plastic
The area should be free of exposed steam pipes or heating ducts
The area should be free of exposed water or sanitation pipes
Outside windows & doors must have screens and all cracks in walls & floors must be filled
№3 слайд
Содержание слайда:
№4 слайд
Содержание слайда: Facility design considerations
Restrooms
Every establishment should have separate restroom facilities for customers & employees
Restrooms must have:
Fully equipped hand washing stations
Self closing doors
Adequate stock of supplies
Covered waist containers
Regular cleaning (minimum once a day)
№5 слайд
Содержание слайда:
№6 слайд
Содержание слайда: Removing Waste
When cleaning food production areas, waste must be handled and disposed of correctly in order to;-
Prevent accidents
Prevent infections
Avoid creating a fire hazard
Prevent pest infestation
Avoid pollution of the environment
Comply with the law
№7 слайд
Содержание слайда: Removing waste continued
Waste includes all packaging, food trimmings and any leftover food
Waste bins should be leakproof, waterproof, pestproof and have tight-fitting lids
Waste bins are a perfect environment for promoting the growth of bacteria and need to be treated as a major source of contamination.
№8 слайд
Содержание слайда: Removing waste continued
Always use the following guidelines;-
Empty bins regularly
When handling rubbish bins and waste food always wash your hands
Waste bins and their lids must be thoroughly cleaned using a strong detergent and disinfectant
Store waste bins in the correct designated areas, away from food preparation areas, corridors and fire exits
№9 слайд
Содержание слайда: What is cleaning
Cleaning consists of 3 basic steps:
The removal of visible dirt
Then removal of residual dirt by physical, chemical or thermal energy
Rinsing to remove remaining dirt and chemicals
These steps should be followed by disinfecting
№10 слайд
Содержание слайда: How cleaning is achieved
Cleaning requires the application of energy to effect the removal of dirt from a surface. There are 3 ways to use energy in order to clean
Physical energy… Manual labour
Thermal energy… Hot water or steam
Chemical energy …Soaps and detergents
Detergent will dissolve Grease and fat but not kill bacteria
№11 слайд
Содержание слайда: Factors affecting the effectiveness of detergents
Factors that effect the use of detergents:
Water hardness
Concentration and Temperature of the solution
Time (soak)
Physical force with which it is applied
№12 слайд
Содержание слайда: Machine warewashing
High temperature machines
Rely on hot water to clean & sanitize
The final sanitizing rinse must be at least 82C
Chemical sanitizing machines
Rely on chemicals to sanitize
Rinse water temperature should be 24-49C
№13 слайд
Содержание слайда: Manual warewashing
Step 1:
Rinse, scrape or soak all items before washing
Step 2:
Wash items in a detergent solution (min.43C)
Step 3:
Immerse or spray-rinse items in second sink
Step 4:
Immerse items in chemical-sanitizing solution
Step 5:
Air dry items
№14 слайд
Содержание слайда:
№15 слайд
Содержание слайда: Cleaning food production areas
Cleaning food production areas should be carried out as follows;-
Never clean during food preparation, unless it is done to clean up spillages etc
Clean stoves and floors after every service
Clean walls and floors when the kitchen is closed
Clean fridges shelves etc at sensible times
№16 слайд
Содержание слайда: Cleaning equipment & utensils
It is easier to clean equipment and utensils immediately after using them
If you leave them the food debris dries up and becomes difficult to remove
Leaving dirty equipment and utensils make your area look dirty and unprofessional, and also encourages pests, bacteria and cross contamination
№17 слайд
Содержание слайда: continued
All equipment should be turned off and dismantled before cleaning in order to;-
Avoid injury
Ensure all relevant parts are cleaned
Ensure that the machine works efficiently
Conserve energy
Cutlery, dishes and glass are usually washed in professional dishwashers
№18 слайд
Содержание слайда: Sanitizing equipment & utensils
Visibly clean is not enough.
The cleaning process should be followed by sanitizing in the following way;-
Hot water (82 degrees Celsius)
Chemical sanitizer
NO RINSING OR ANY OTHER CLEANING SHOULD TAKE PLACE AFTER THE SANITIZING PROCESS
№19 слайд
Содержание слайда: Cleaning is a job for everyone
Hygiene standards are defined by management, and should be clearly defined and enforceable
Everyone has a duty to maintain standards
Cleaning staff must be trained
All employees should be trained to
clean-as-you-go
№20 слайд
Содержание слайда: continued
Management must provide the correct tools and cleaning agents
Management should provide a written schedule to include the following;-
What is to be cleaned
Who is to clean it
When it is to be cleaned
How it is to be cleaned
Which solutions, tools, and precautions. Protective clothing etc
№21 слайд
Содержание слайда: Kitchen cleaning schedule example
№22 слайд
Содержание слайда: Precautions when using chemicals for cleaning sanitizing and disinfecting
The use of chemicals in cleaning, sanitizing and disinfecting is controlled by European and International legislation.
This legislation requires employers to make available to employees information concerning the safe use of chemicals and all necessary safety equipment.
“Health & Safety at work act”
№23 слайд
Содержание слайда: Analyze the Situation
Carlos Magana was a Spanish-speaking custodian working in a health care facility kitchen. Bert LaColle was the new Food and Beverage Director. Mr. LaColle instructed Mr. Magana to clean the grout between the 4 x 4 red quarry kitchen tile with a powerful cleaner that Mr. LaColle had purchased from a chemical cleaning supply vendor. Mr. LaColle, who did not speak Spanish, demonstrated to Mr. Magana how he should pour the chemical directly from the bottle to the grout, then brush the grout with a wire brush until it was white.
№24 слайд
Содержание слайда: Analyze the Situation
Because the cleaner was so strong, and because Mr. Magana did not wear protective gloves, his hands were seriously irritated by the chemicals in the cleaner. In an effort to lessen the irritation to his hands, Mr. Magana decided to dilute the chemical. He added water to the bottle of cleaner, not realizing that the addition of water would cause toxic fumes. Mr. Magana inhaled the fumes while he continued cleaning, and later suffered serious lung damage as a result.
№25 слайд
Содержание слайда: Analyze the Situation
Did the facility fulfill its obligation to provide a safe working environment for Mr. Magana?
What should Mr. LaColle have done to avoid a violation?
№26 слайд
Содержание слайда: continued
When using chemicals care should be given to the following;-
Always read and follow the instructions on the label, pay attention to first aid procedures
Use protective clothing, gloves, etc
Use the correct product for the job
Always keep chemicals in their original container
№27 слайд
Содержание слайда: continued
Never put chemicals into food containers of food into chemical containers
Never mix chemicals, they may react differently
Only dilute chemicals as required
Always use the correct concentration
Do NOT dispose of chemicals in sinks
Clean tools and store away from food
№28 слайд
Содержание слайда: CLEANING TIME…
Divide the class in 4 groups:
Freezer-refrigerator (2p)
Dry storage (2p)
Main kitchen (4p)
Back kitchen / receiving area (4p)
Conduct a thorough inspection in your assigned area
Record your findings & provide suggestions (in writing!)
Clean and organize your assigned area
Create a weekly cleaning schedule
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