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Food Storage and Preservation

Humans have been preserving food for thousands of years, even before the advent of the modern refrigerator. Some methods include: drying, freezing, pasteurizing, canning and pickling among many others. Ask questions about food preservation here.

568 Questions

What does curing meat mean?

Curing meat involves soaking it for a period of time depending on the amount of meat, in a salt/sugar mixture. Depending on the meat you may have another addition, like lemon or lime for fish or a special salt to preserve the colour of beef. Curing was used to preserve meat before the days of refrigeration.

Why fermented foods have longer shelf life?

The vinegar in pickled foods raises the pH level and inhibits growth of bacteria. This is why pickled foods last longer. Pickled foods that processed in a hot water bath last much longer because the hot water bath sterilizes the jar and the contents and draws air out of the jar. This makes it almost impossible for the food to develop bacteria and spoil.

Does zucchini bread need to be refrigerated?

It depends on how long you want to keep it. The bread will dry out fast though if just left out. You should wrap in a ziplok bag if possible after removing most of the air. You can save that bag then for later uses. If covered it should remain quite tasty for several days if left on the counter.

Can you store chicken and shrimp gumbo in a metal container in the refrigerator?

Generally, metal containers should not be used for long-term storage particularly if they are used to store acidic ingredients like tomatoes.

What would be the result if you kept cereals in a hot place?

They are mostly dry products so the change would be minimal. Some may go stale faster is all.

How is fermentation used in the food industry?

When bacteria undergo anaerobic respiration, they ferment, producing an alcohol functional group. This is used in many bacterially cultured dairy produts like yogurt and cheese. This is also obviously a critical part of alcohol production, though that isn't exactly food.

Is pink stinky hamburger meat bad?

Hamburger that has been packed and sealed with carbon monoxide can keep a red or pink color for an artificially long time. In the meantime, carbon monoxide doesn't necessarily prevent bacterial growth. Alternatively, meat that is not treated with carbon monoxide may turn brown in a day or two simply because of a minor change in chemistry even with proper refridgeration and is typically still safe to eat. Color, therefore, is not always a good litmus test as to whether meat has gone bad or not. Better to be safe than sorry in this instance. If the meat smells like rotten flesh, I would toss it. Even if it is pink.

What is molding of food?

As food ages and decomposes, mold may form on the food.

How long does mayonassie stay in the refrigerator?

homemade mayonaise can stay in the fridge up to two weeks. Store bought can last about a month in the fridge.

What is the function of BHA?

BHA, or butylated hydroxyanisole, is a food preservative, used to slow down the spoilage of fats and oils.

How long can a frozen turkey last in a trunk of a car in 35 degree weather?

It isn't the outside temperature that determines safety, but the temperature of the place where the turkey is being stored. The temperature inside a car can fluctuate due the radiant heat of the sun through windows and the absorptive or reflective qualities of the car's paint color. That trunk will heat up very fast if the car is black and parked in the sun. Also, outside temperature fluctuates during the day. Unless you have a thermometer right with that turkey and are checking it frequently, I would not recommend storing a frozen turkey in a car trunk.

How long will fresh oysters in the shell last and should they be kept in the refrigerator or in salt water?

They will last up to 3 months in salt water but they need to remain chilled so i would also keep them in the refrigerator.

Can you freeze cereal?

There are so many types of prepared cereal, there is no one answer to this question.

In most cases, there is no reason to freeze cereal products to preserve them. Most cereal products are sold in a dried form, suitable for long term storage.

Freezing dried cereal will cause them to absorb moisture and will be 'soggy' when thawed.

If you need to store cereal for an extended period, the unopened package is the best choice. If the package has been opened, a container with a minimum amount of airspace, such as a sealable plastic bag or a jar with a tight cover. It's exposure to air that causes cereal to become stale.

Is canned pumpkin 100 percent pumpkin?

Almost completely. Libby's advertises theirs as 100% pumpkin, no preservatives.

Why should cleaning supplies not be kept in the same cabinets with foods?

If you store cleaning supplies in the same cabinet as food, it is possible the chemicals or chemical odors will transfer to the food.

68 oz equals how many pounds?

16 oz = 1lb (pound)

68oz divided by 16oz per pound = 4.25 pounds or 4.25lb

Where should raw meats be stored?

It should be stored in the refrigerator or freezer. If stored in the refrigerator, be sure to use or freeze before the expiration date.