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Writer's pictureNatalie McMyn

Day 5: The truth about BPA-free plastic

If you recall from earlier posts, I packed all my food in saved plastic containers.

Meal prep containers
This week's meal prep leftovers.

I use glass containers at home, but I deemed my plastic ones at school good enough for now, because I keep moving houses, and because I don’t usually take lunch that needs to be microwaved.


But today, I was able to eat lunch at home and had the option to microwave my food in a real bowl, rather than my plastic container. After doing a quick Google search, I am glad I opted for the glass bowl. Apparently, my BPA-free plastic container should not be heated at all to avoid leaching BPA alternatives. BPA is a common plastic building block that may disrupt hormone function if consumed. After people became aware of its toxic properties, manufacturers switched to structurally similar compounds, but those compounds can interfere with reproduction. As a result, researchers suggest not to put plastics, regardless of their BPA status, into microwaves or dishwashers because it can damage the plastic and leach BPA or its alternatives. This is especially true for one-time use containers, like take-out and old butter tubs, and plastics of the recycling code 3 and 7. It is also recommended to throw out any plastics with scratches and use glass or steel containers instead. At least my container is also “microwave safe,” meaning that it has been tested to be safely used at the right temperatures and is perfectly fine for just food storage. I know I said to keep using old plastic containers, but if you plan on microwaving food in it, go buy some nicer meal prepping ones!


Regarding the challenge, I had a successful day like the previous ones and am almost to the end of the first week!

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