Handleiding FoodSaver V4800 series (pagina 14 van 24) (Engels)

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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

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