What produce needs to be wrapped before refrigerating?

Food scientist Dr. Clair Hicks offers this explanation: “Fresh fruit and vegetables have different respiration rates.  For example, asparagus and broccoli have high respiration rates, which requires that they be refrigerated (that slows the respiration rate) but that they be stored in breathable packaging.  Apples and citrus fruits have low respiration rates, and apples, cucumbers, and tomatoes are waxed to further slow respiration, so only refrigeration is required to enhance shelf life. Many loose vegetables do quite well in the vegetable drawer of the refrigerator.  


Onions and potatoes are commonly bagged in breathable packaging and should be stored in cool, dark places.” (For onions and potatoes: If you have a place in your home that’s around 55ºFº, that’s perfect. If not, the fridge is okay.  Darkness is important to prevent sprouting.



Clair L. Hicks, Ph.D., University of Kentucky, Dept. of Animal and Food Sciences


Susan Brewer, Ph.D., University of Illinois, Dept. of  Food Science and Human Nutrition


General Guidelines for Wrapping Foods


What’s better for wrapping food—plastic or aluminum foil?

Should I wrap raw vegetables loosely or tightly before refrigerating?

How should fruits be wrapped before refrigeration?

Can I refrigerate meat and poultry in its store wrapping?

How should food be handled and wrapped for freezing?


Using Plastic Wraps, Bags, and Containers


Are some plastic wraps more effective than others?

Can chemicals leach unto food from plastic wrap or containers?

Are any plastic wraps or containers really “microwave safe”?

Can I use plastic freezer bags to store produce in the fridge?

Do coated plastic bags really help produce last longer?


Using Aluminum Foil Properly


What are some advantages and disadvantages of aluminum foil?

Does exposure to aluminum cause Alzheimer’s disease?

Does aluminum foil give foods a metallic taste?

Why does foil sometimes darken, discolor, and leave black specks on food?

Will a foil cover help keep foods on the table hot or cold?

Is it safe to use aluminum foil in a microwave oven?



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