Determining the amount of time it will take to defrost frozen food in the microwave, it is necessary to know what the food is and the size of the food. For instance, defrosting a pack of frozen peas would not require as much time as defrosting a frozen chicken.
Frozen food that has been thawed under refrigeration could be safely refrozen if it hasn't been sitting around too long, but the quality of the food will be diminished. Flavor and texture will be affected.It might be better to cook the food before refreezing it. If you let your TV dinner defrost, it is best to have it for supper.
Frozen food can stay frozen in a cooler for about 24-48 hours, depending on factors like the quality of the cooler and how often it is opened.
For a long as you like as long as the meat stays completely frozen. Some mammoth carcasses have been found that have been frozen for tens of thousands of years and the meat still exists.
Frozen food have been used for a long time even before its commercial use. Many people have been known to use it but the credit for the technique as it is given to Clarence Birdseye. In 1924 he came up with the quick freezing method that is commercially used today.
Most food used at fast food restaurants is frozen, so it is not actually fresh. How long it is frozen before it is used is not known. After food are cooked, there is a hold time for how long it can be kept under the warming lights. Foods like lettuce that cannot be frozen usually contain preservatives to make it look fresher longer, but it is not known for how long.
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The difference is that fresh food has just been harvested - or has gotten to market as quickly as possible after harvest - without being frozen or cooked. It might be minimally processed - as in packaged salad greens. Frozen food is just that - has been frozen after harvest. Now, if you are referring to the nutritional differences, vegetables start to lose nutritional value after harvesting. Frozen vegetables are generally processed right after harvesting and retain a lot of the original value. Sometimes it can be hard to tell just how long it has been since the 'fresh' veggies were harvested that are in your grocer's produce aisle. Make sure you purchase your fresh vegetables from vendors who have a lot of sales that result in frequent turnover of stock.
Yes, frozen food can go bad if stored for too long due to freezer burn, loss of flavor, and potential growth of harmful bacteria.
Frozen food can last indefinitely in terms of safety, but its quality may start to decline after about 3 to 6 months.
I assume you mean thawed - unthawed is refrozen! As long as that was the only time they have been frozen, they will be perfectly good. Most shell food and fish is perfectly good after being frozen, but beware, many supermarket fish/shellfish, have been frozen before being defrosted and put on display. Check the label to be sure.
Food can stay frozen in a cooler for up to 24 hours, depending on the quality of the cooler and the amount of ice or ice packs used.