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www.foodsaver.com 1-877-777-8042
14
VACUUM PACKAGING
Vacuum Packaging and Food Safety
The vacuum packaging process extends the life of
foods by removing most of the air from the sealed
container, thereby reducing oxidation, which affects
nutritional value, flavor and overall quality. Removing
air can also inhibit growth of microorganisms, which
can cause problems under certain conditions:
Mold
Easily identified by its fuzzy characteristic.
Mold cannot grow in a low oxygen environment,
therefore vacuum packaging can slow the growth
of mold.
Yeast
Results in fermentation, which can be
identified by smell and taste. Yeast needs water,
sugar and a moderate temperature to grow. It can
also survive with or without air. Slowing the growth
of yeast requires refrigeration, while freezing stops it
completely.
Bacteria
Results in an unpleasant odor,
discoloration and/or soft or slimy texture. Under
the right conditions, anaerobic bacteria such as
Clostridium botulinum (the organism that causes
Botulism) can grow without air and sometimes cannot
be detected by smell or taste. Although it is extremely
rare, it can be very dangerous.
To preserve foods safely, it is critical that you maintain
low temperatures. You can significantly reduce the
growth of microorganisms at temperatures of 40°F
(4°C) or below. Freezing at 0°F (-17°C) does not kill
microorganisms, but stops them from growing. For
long-term storage, always freeze perishable foods that
have been vacuum packaged, and keep refrigerated
after thawing.
It is important to note that vacuum packaging is
NOT a substitute for canning and it cannot reverse
the dete rio ration of foods. It can only slow down the
changes in quality. It is difficult to predict how long
foods will retain their top-quality flavor, appearance
or texture because it depends on age and condition of
the food on the day it was vacuumed packaged
.
IMPORTANT: Vacuum packaging is NOT a substitute
for refrigeration or freezing.
Any perishable foods
that require refrigeration must still be refrigerated
or frozen after vacuum packaging.
Food Preparation and Reheating Tips
Thawing and Reheating Vacuum Packaged Foods
Always thaw foods in either refrigerator or
microwave — do not thaw perishable foods
at room temperature.
To reheat foods in a microwave in a FoodSaver
®
Bag, always cut corner of the bag before placing
it on a microwave-safe dish. However, to avoid hot
spots, do not reheat bone-in meat or greasy foods
in microwave within a FoodSaver
®
Bag. You can also
reheat foods in FoodSaver
®
Bags by placing them
in water at a low simmer below 170°F (75°C).
Preparation Guidelines for Meat and Fish:
For best results, pre-freeze meat and fish for 1-2 hours
before vacuum packaging in a FoodSaver
®
Bag. This
helps retain the juice and shape, and guarantees a
better seal.
If it’s not possible to pre-freeze, place a folded paper
towel between meat or fish and top of bag, but below
seal area. Leave paper towel in bag to absorb excess
moisture and juices during vacuum packaging process.
Note:
Beef may appear darker after vacuum packaging
due to the removal of oxygen. This is not an indication
of spoilage.
Preparation Guidelines for Hard Cheeses:
To keep cheese fresh, vacuum package it after each
use. Make your FoodSaver
®
Bag extra long, allowing
one inch of bag material for each time you plan to
open and reseal in addition to the 4-inch room you
normally leave between contents and seal. Simply cut
sealed edge and remove cheese. When you’re ready to
repackage the cheese, just drop it in bag and reseal.
IMPORTANT: Due to the risk of anaerobic bacteria,
Soft cheeses should never be vacuum packaged.
Preparation Guidelines for Vegetables:
Vegetables need to be blanched before vacuum pack-
ag ing. This process stops the enzyme action that could
lead to loss of flavor, color and texture.
To blanch vegetables, place them in boiling water or
in the microwave until they are cooked, but still crisp.
Blanching times range from 1 to 2 minutes for leafy
greens and peas; 3 to 4 minutes for snap peas, sliced
zucchini or broccoli; 5 minutes for carrots; and 7 to 11
minutes for corn on the cob. After blanching, immerse
vegetables in cold water to stop the cooking process.
Finally, dry vegetables on a towel before vacuum
packaging.
Note:
All vegetables (including broccoli, brussels
sprouts, cabbage, cauliflower, kale, turnips)
naturally emit gases during storage. Therefore,
after blanching, they must be stored in freezer only.
When freezing vegetables, it is best to pre-freeze them
for 1-2 hours or until solidly frozen.
Guidelines for Vacuum Packaging
14


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