Frozen Food Tips, the Colder the Better!

Frozen Food
The Colder the Better!

Frozen foods require low storage temperatures because quality continues to change after harvest or slaughter. The higher the temperature, the more rapidly quality deteriorates. For every five-degree increase in storage temperature, changes in quality occur twice as fast.

Many refrigerator-freezer compartments cannot reach or maintain 0 degrees Fahrenheit. Keep frozen foods no longer than a week in such a compartment. This kind of freezing unit usually has no separate outside door.

Packaging

Use only moisture- and vapor-proof materials such as heavy-duty aluminum foil, polyethylene bags, freezer film wraps, glass, plastic and metal containers. The shrink-film wrap on meats in self-serve counters allows air to enter the package and is not suitable for freezer storage beyond two weeks. Overwrap these packages with a moisture- and vapor-proof material to prevent freezer burn.

Frozen food tips

Thaw frozen fish, poultry or meat in the refrigerator so the surface does not reach dangerously high bacteria levels before the product thaws in the center. Another benefit of slower thawing is less moisture loss or drip. Meat, fish and poultry can be cooked without thawing. Be sure to allow about one-third to one-half more cooking time.
Most partially thawed foods refreeze safely if they still contain ice crystals and are firm in the center. Many refrozen foods, particularly ice cream, will not be top quality. Meat, fish and poultry purposely thawed in the refrigerator and kept no more than one day may be refrozen. Do not refreeze thawed meat or poultry pies or casseroles, cream pies or vegetables.
Food completely thawed, intentionally or by accident, and warmed to room temperature (72 degrees Fahrenheit) should be thoroughly cooked immediately or discarded. Fruit and juice concentrates can be refrozen. They ferment when spoiled, so toss them if their flavor is off.

Quality changes with refreezing

Some foods purchased thawed, especially meats and poultry, have been previously frozen. As long as they were commercially frozen, quality changes are minimal when these foods are refrozen at home.

Generally, the faster the freezing rate, the better the quality is preserved. Commercial freezing is much faster than home freezing. With quick freezing, cells break down less. When water, a component of all food, freezes rapidly, tiny crystals form. Slow freezing forms large ice crystals which cause cells in food to rupture. Moisture leaks out and quality is lowered.

When refreezing foods that were initially frozen at home, expect quality changes. Those changes will be more extreme for texture than for color or flavor. The food, however, should still be acceptable to use.

Why packages say "Do not refreeze"

Frozen food packers want their products to have a good image with shoppers. Because quality can deteriorate if interior product temperatures rang up to 40 degrees Fahrenheit, many manufacturers do not recommend refreezing such thawed food because they cannot guarantee quality under such conditions.

Freezer management

A freezer (a chest or upright unit that maintains a temperature of 0 degrees Fahrenheit or below) offers convenience and flexibility, but it can rarely be justified only on the merits of saving money. To get the greatest use out of your freezer, keep it fully stocked. A rapid rate of turnover-once every six months-is recommended to greatly reduce the operating cost per pound of food.

Tips on freezing home-prepared foods

All flavorings should be added when a dish is prepared for heating before serving because:
- Black pepper, cloves, onion and garlic (in casseroles, for example) become stronger during freezer storage
- Other seasonings tend to weaken in freezing
Stews keep better than fried or broiled meats.
Some foods do not freeze well, or have a very limited storage life, such as:
- Mayonnaise, which does not keep as well as salad dressing;
- Whites of hard cooked eggs, which get tough and rubbery.
Foods to be frozen should not be cooked to the well-done stage.
Cream-style sweet corn retains its flavor better than whole kernel corn and far better than corn on the cob.

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