Is it OK to store fruits and vegetables in plastic bags in the refrigerator?

I believe that fruits and vegetables can usually be stored in plastic bags (like those you get in the market's produce section, or plastic "zip-lock" type bags) at normal refrigerator temperatures. I have yet to see research that shows significant health risks to be associated with plastic bags when used at the low refrigerator temperatures of 35-40°F (2-4°C).

On the other hand, I'd like to mention that the practice of shrink-wrapping individual foods in thin plastic wrap is not one I recommend. That's because this practice can increase the amount of food surface that comes into tight and direct contact with the plastic, potentially causing additional migration of chemicals from the plastic into the food. However slight, this added risk seems unnecessary to me and easily avoided.

I'd also like to point out that while plastic may be an acceptable storage method for produce kept in the refrigerator, the heating of plastic can be problematic in that there is a greater potential for the migration of the plastic chemicals into the food. Therefore, I would avoid all methods of cooking that involve plastics such as any type of "boil-in-a-bag" food, heating food in a plastic container in the microwave, and heating in the oven using "oven-safe" plastic containers.

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