Thousands of types of bacteria
are naturally present in our
environment. Not all bacteria
cause disease in humans (for
example, some bacteria are
used beneficially in making
cheese and yogurt). However,
the prime causes of food-borne
illness include parasites,
viruses, and bacteria such
as:
1. E. coli O157:H7
2. Campylobacter jejuni
3. Salmonella
4. Staphylococcus aureus
5. Listeria monocytogenes
6. Clostridium perfringens
7. Vibrio parahaemolyticus
8. Vibrio vulnificus
9. Hepatitis A virus, and
10. Norwalk and Norwalk-like
virus
Bacteria that cause disease
are called pathogens. These
organisms can become unwelcome
guests at the dinner table.
When certain pathogens enter
the food supply, they can
cause food-borne illness.
They're in a wide range of
foods, including meat, milk
and other dairy products,
spices, chocolate, seafood,
and even water. Millions of
cases of food-borne illness
occur each year.
Most cases of food-borne illness
can be prevented. Careless
food handling sets the stage
for the growth of disease-
causing "bugs." For example,
hot or cold foods left standing
too long at room temperature
provide an ideal climate for
bacteria to grow. Proper cooking
or processing of food destroys
bacteria.
Fresh does not always mean
safe. The organisms that cause
food poisoning aren't the
ones that cause spoilage.
Wax often coats certain kinds
of produce, such as apples
and cucumbers, and may trap
pesticides. To remove the
wax, wash with very diluted
dish detergent and a soft
scrub brush, or peel (the
best nutrients are often in
the peel, however).
Foods may be cross contaminated
when cutting boards and kitchen
tools that have been used
to prepare a contaminated
food, such as raw chicken,
aren't cleaned before being
used for another food, such
as vegetables.
How Bacteria Get In Food
Bacteria may be present on
products when you buy them.
Plastic-wrapped boneless chicken
and ground meat, for example,
were once part of live chicken
or cattle. Raw meat, poultry,
seafood, and eggs aren't sterile.
Neither is fresh produce such
as lettuce, tomatoes, sprouts,
and melons. Foods, including
safely cooked, ready-to-eat
foods, can become cross contaminated
with bacteria transferred
from raw products, meat juices
or other contaminated products,
or from food handlers with
poor personal hygiene.
Unpasteurized fruit and vegetable
juices and ciders, foods made
with raw or undercooked eggs,
chicken, tuna, potato and
macaroni salads, and cream-filled
pastries harboring these pathogens
have also been implicated
in food-borne illnesses, as
has fresh produce.
Poultry is the food most often
contaminated with disease-
causing organisms. It's been
estimated that 60 percent
or more of raw poultry sold
at retail probably carries
some disease-causing bacteria.
Bacteria such as Listeria
monocytogenes, Vibrio vulnificus,
Vibrio parahaemolyticus and
Salmonella have been found
in raw seafood. Oysters, clams,
mussels, scallops, and cockles
may be contaminated with hepatitis
A virus.
If you have a health problem,
especially one that may have
impaired your immune system,
don't eat raw shellfish and
use only pasteurized milk
and cheese, and pasteurized
or concentrated ciders and
juices.
Keep It Clean
The cardinal rule of safe
food preparation in the home
is: Keep everything clean.
The cleanliness rule applies
to the areas where food is
prepared and, most importantly,
to the cook. Wash hands with
warm water and soap for at
least 20 seconds before starting
to prepare a meal and after
handling raw meat or poultry.
Cover long hair with a net
or scarf, and be sure that
any open sores or cuts on
the hands are completely covered.
If the sore or cut is infected,
stay out of the kitchen.
Keep your work area clean
and uncluttered. Be sure to
wash the countertops with
a solution of 1 teaspoon chlorine
bleach to about 1 quart of
water or with a commercial
kitchen-cleaning agent diluted
according to product directions.
They're the most effective
at getting rid of bacteria.
Also, be sure to keep dishcloths
and sponges clean because,
when wet, these materials
harbor bacteria and may promote
their growth. Wash dishcloths
and sponges weekly in the
washing machine in hot water.
While you're at it, sanitize
the kitchen sink drain periodically
by pouring down the sink a
solution of one teaspoon bleach
to one quart of water or a
commercial cleaning agent.
Food particles get trapped
in the drain and disposal
and, along with moistness,
create an ideal environment
for bacterial growth.
Use smooth cutting boards
made of hard maple or plastic
and free of cracks and crevices.
Avoid boards made of soft,
porous materials. Wash cutting
boards with hot water, soap,
and a scrub brush. Then, sanitize
them in an automatic dishwasher
or by rinsing with a solution
of 1 teaspoon chlorine bleach
to about 1 quart of water.
Always wash and sanitize cutting
boards after using them for
raw foods, such as seafood
or chicken, and before using
them for other foods. Consider
using one cutting board only
for foods that will be cooked,
such as raw fish, and another
only for ready-to-eat foods,
such as bread, fresh fruit,
and cooked fish. Visit The
Cutting Board Factory for
a great selection of food-safe
cutting boards.
Always use clean utensils
and wash them between cutting
different foods.
Wash the lids of canned foods
before opening to keep dirt
from getting into the food.
Also, clean the blade of the
can opener after each use.
Food processors and meat grinders
should be taken apart and
cleaned as soon as possible
after they're used.
Don't put cooked meat on an
unwashed plate or platter
that has held raw meat.
Wash fresh fruits and vegetables
thoroughly, rinsing in warm
water. Don't use soap or other
detergents. If necessary (and
appropriate) use a small scrub
brush to remove surface dirt.
Keep your kitchen clean and
bacteria-free. Clean kitchen
surfaces with hot soapy water
using antibacterial sponges
and soaps.
The sponges themselves should
be bacteria-free. Microwave
them for about a minute to
keep them clean and dry.
Keep benches, cutting boards,
knives, pans or other utensils
clean.
Copyright (c) Terry Nicholls.
All Rights Reserved.
Terry Nicholls is the author
of the eBook "Food Safety:
Protecting Your Family From
Food Poisoning". For more
tips like these, and to learn
more about his book, visit
his website at http://tinyurl.com/3fr2t
yourguides@cogeco.ca
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