chapter 11 cleaning and sanitizing. how and when to clean and sanitize cleaning process of removing...
TRANSCRIPT
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Chapter 11Cleaning and Sanitizing
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How and When to Clean and Sanitize
Cleaning Process of removing food and
other dirt from a surface
All surfaces must be cleaned and rinsed
Sanitizing Process of reducing pathogens
on a surface to safe levels
Surfaces that touch food must be cleaned and sanitized
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How and When to Clean and Sanitize
Steps for cleaning and sanitizing:
1. Clean the surface
2. Rinse the surface
3. Sanitize the surface
4. Allow the surface to air-dry
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Food-contact surfaces must be cleaned and sanitized: After they are used
Before working with a different type of food
Any time a task was interrupted and the items may have been contaminated
At 4-hour intervals if the items are in constant use
How and When to Clean and Sanitize
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Cleaners
Cleaners must be: Stable and noncorrosive
Safe to use
When using them: Follow manufacturers’
instructions
Never combine cleaners
Do not use one type of detergent in place of another unless the intended use is the same
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Types of Detergents General-purpose detergents
• Remove dirt from floors, walls, ceilings, prep surfaces and most equipment surfaces
Heavy-duty detergents
• Remove wax, aged or dried dirt, wax, and baked-on grease
Cleaners
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Degreasers Have ingredients for dissolving grease
Work well on burned-on grease
• Backsplashes, oven doors, and range hoods
Cleaners
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Delimers Acid cleaners used on mineral
deposits and dirt that other cleaners can’t remove
• Steam tables
• Dishwashers
Cleaners
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Abrasive Cleaners Have a scouring agent that helps
scrub hard-to-remove dirt
Used to remove baked-on food
Can scratch surfaces
Cleaners
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Surfaces can be sanitized using:
Heat The water must be
at least 171F°(77°C)
Immerse the item for 30 seconds
Chemicals Chlorine
Iodine
Quats
Sanitizing
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Chemical Sanitizing
Food-contact surfaces can be sanitized by either: Soaking them in a sanitizing
solution
Rinsing, swabbing, or spraying them with a sanitizing solution
In some cases a detergent-sanitizer can be used: Use it once to clean
Use it a second time to sanitize
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Concentration Sanitizers should be mixed with
water to the right concentration
• Not enough sanitizer: May make the solution weak and useless
• Too much sanitizer:May make the solution too strong, unsafe, and corrode metal
Sanitizer Effectiveness
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Concentration continued Check concentration with a
test kit
Change the solution when:
• It’s dirty
• The concentration is too low
Sanitizer Effectiveness
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Temperature Follow manufacturer’s
recommendations for the right temperature
Contact Time The sanitizer must make contact
with the object for a specific amount of time
Minimum times differ for each sanitizer
Sanitizer Effectiveness
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Water Hardness and pH Find out what your water hardness and pH is
from your municipality
Work with your supplier to identify the right amount of sanitizer to use
Sanitizer Effectiveness
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Dishwashing
High-Temperature Machines Final sanitizing rinse must be at
least 180°F (82°C)
• 165°F (74°C) for stationary rack, single-temperature machines
Chemical-Sanitizing Machines Follow the temperature
guidelines provided by the manufacturer
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Guidelines Clean the machine as often as
needed
Scrape, rinse, or soak items before washing
Use the right rack for the items being washed
Check racks as they come out of the machine
Air-dry all items
Check the machine’s water temperature and pressure
Dishwasher Operation
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Manual Dishwashing
Steps for Cleaning and Sanitizing
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Storing Tableware and Equipment
When storing clean and sanitized tableware and equipment: Store them at least 6” (15 cm) off
the floor
Clean and sanitize drawers and shelves before items are stored
Store glasses and cups upside down on a clean and sanitized shelf or rack
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Storing Tableware and Equipment
When storing clean and sanitized tableware and equipment: continued
Store utensils with handles up
Cover the food-contact surfaces of stationary equipment until ready for use
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When cleaning the premises: Clean nonfood-contact surfaces
regularly
• Includes floors, ceilings, walls, equipment exteriors, etc.
• Prevents dust, dirt, food residue and other debris from building up.
Cleaning and Sanitizing in the Operation
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Prevent cleaning tools from contaminating surfaces: Clean tools before storing them
Assign tools for specific tasks
Replace worn tools
Never use towels meant for cleaning food spills for any other purpose
• Store towels in a sanitizer solution between uses
Cleaning and Sanitizing in the Operation
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Cleaning and Sanitizing in the Operation
Storing Cleaning Tools and Chemicals Place in a separate area away
from food and food-prep areas
The storage area should have: Utility sink for filling buckets and
washing cleaning tools
Floor drain for dumping dirty water
Hooks for hanging cleaning tools
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Using Foodservice Chemicals
Chemicals Only purchase those approved
for use in foodservice operations
Store them in their original containers away from food and food-prep areas
If transferring them to a new container, label it with the common name of the chemical
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Chemicals continued
Keep MSDS for each chemical
When throwing them away, follow:
• Instructions on the label
• Local regulatory requirements
Using Foodservice Chemicals
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Developing a Cleaning Program
To develop an effective cleaning program: Create a master cleaning schedule
Train your employees to follow it
Monitor the program to make sure it works
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Developing a Cleaning Program
To create a master cleaning schedule, identify:
What should be cleaned
Who should clean it
When it should be cleaned
How it should be cleaned
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Developing a Cleaning Program
When training employees on the master cleaning program: Introduce the program
• Explain the reason behind it
• Stress the importance of cleanliness to food safety
Train staff
• Work with small groups
• Conduct training by area
Motivate staff
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Developing a Cleaning Program
When monitoring the master cleaning program: Supervise daily cleaning routines
Check cleaning tasks against the master schedule every day
Change the master schedule as needed
Ask staff for input on the program
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