Many of us grew up in the Tupperware age. Our parents’ fridges were full of plastic food storage containers, and we even kept plastic margarine tubs for storing leftovers!
A lot has changed since then, and more and more research is showing that plastic leaches chemicals into our food and drinks, which can harm our health. Plastics like Bisphenol A (BPA) and Bisphenol S (BPS) have been shown to have hormone-mimicking, estrogenic properties. BPA has even been linked to breast cancer tumors.
While BPA has been taken out of many plastics due to consumer demand, it has been routinely replaced with BPS, which may be even more toxic. Studies show that it’s now found in 81 percent of blood tested and that it can lead to ailments such as diabetes, obesity, asthma, birth defects and cancer. (Note: As of March 2010, items sold by Tupperware US and CA are BPA-free.) Just because something is labeled BPA-free doesn’t mean it’s safe.
If you’ve been working on your green resolutions this year, choosing safer food storage containers should be on your list. The safest choice for food storage is glass. A couple of years ago, glass food storage containers were hard to come by and expensive. Prices have come down a lot and major manufacturers are adding glass storage to their lines, so it’s much more accessible.
Look for brands that are made in the United States because some glass imported from China has been shown to contain lead or cadmium (especially if there is paint or enamel involved). Two brands that are made in the U.S. include Pyrex and Anchor Hocking. Duralex is made in France and Lifefactory is made in Europe, so they should also be safe. Both Ball and Kerr canning jars are made in the U.S. and are a great choice for food storage as well. You can check your existing glass for lead with LeadCheck Swabs.
If you don’t want to make the switch to glass but still want something that’s considered safer than plastic, you can choose 304-grade stainless steel or silicone. Neither of these materials should leach chemicals into your food.
While it’s best to avoid plastic food storage containers altogether, there are safer choices if you don’t have the means to make the switch yet. If you look at the bottom of your plastic food storage containers and they have a #2, #4 or #5, those are generally recognized as safe for food and drink. If any of your containers have a #3, #6 or #7, those should be disposed of because they are considered high-risk plastics.
If you’re going to use one of the safer plastics, it’s best not to store acidic or greasy foods in them. Also be sure to throw out any plastic containers that are scratched up, worn badly or are cloudy. And don’t use them in the microwave or dishwasher for improved safety.
Have you said goodbye to Tupperware and hello to glass yet?
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