Kick Toxic Plastic to the Curb

Choose glass, stainless steel, silicone, or non-bleached parchment paper for food storage to be sure you are only eating leftovers.

| February 2018

  • Glass is the safest material to use for food storage.
    Photo by Getty Images/Marekuliasz
  • Parchment paper is a wonderful food wrap, but be aware that there are two different varieties: bleached and non-bleached.
    Photo by Getty Images/Mputsylo
  • Pay attention to the food storage items you use in your kitchen.
    Photo by Getty Images/Belka_35
  • “Toxic Home/Conscious Home” by Rob Brown offers key insights on how to create a conscious home by making educated choices that will preserve and increase the well-being of your home’s occupants.
    Cover courtesy Healthy Berry LLC

Dr Rob Brown is unveiling obvious and hidden sources of toxicity within the home in Toxic Home/Conscious Home: A Mindful Approach to Wellness at Home(Healthy Berry LLC, 2018). Despite our best efforts to be healthy, Brown explains how and why our homes are silently making many of us sick while stressing the importance of proper energy flow with in the home. Safer alternatives are suggested to help the reader create a truly safe and healthy refuge. The thought of detoxing the home can be overwhelming, by taking it day by day and making one or two changes at a time will make all the difference. The following excerpt is from Chapter 5, “Food Preparation and Packaging.”

Almost all materials that come into contact with food can react with it. These reactions may be minimal or significant, depending on the type of food, the composition of the wrapping or cooking material, and the prevailing atmosphere or environment — particularly temperature.

Leftovers and Food Storage

Plastic wraps, aluminum foil, wax paper, plastic containers, and covered glass dishes are the most common short-term food storage materials. The goal of wrapping and storing material is, of course, to keep bacteria and mold from growing on the food’s surface as well as to prevent food from drying out when stored on the counter, in the refrigerator, or in the freezer.

Food Wraps

The most ubiquitous wrap in the kitchen is plastic wrap. Saran Wrap was accidentally discovered in 1933 at the Dow Chemical Company by a lab technician working to develop a new dry-cleaning product. The material created was initially turned into a liquid spray used on U.S. fighter planes and on automobile upholstery. Dow later named the product Saran and conducted further development to make the material appropriate for a kitchen wrap, removing the foul odor and clarifying the green color of the original material. Saran Wrap hit the commercial market in 1949 and the household market in 1953.



Saran Wrap was originally made of thin film polymers using polyvinylidene chloride (PVDC) containing phthalates, chemicals used to increase the wrap’s flexibility. Unfortunately, it was discovered that phthalates can disrupt hormones when leached into food and thus are bad for one’s health.34 Phthalates have been linked to allergies, asthma 35, 36 and abnormal sperm quality in adult men.

Since 2006, almost all plastic wrap made in North America has been phthalate-free. But as phthalate was phased out, manufacturers introduced a new chemical: a low-density polyethylene (LDPE), which contains the plasticizer diethylhexyl adipate (DEHA). DEHA is another potential endocrine disruptor, and although there were concerns that it could cause cancer, the World Health Organization’s International Agency for Research on Cancer concluded that there was not enough evidence to say that DEHA was carcinogenic.

According to Dow (the manufacturer of the Saran products), the company no longer uses plasticizers such as phthalates or DEHA in its products. In addition, it has taken chlorine out of the premium wrap formula in order to be more environmentally conscientious.

I don’t recommend using Saran Wrap or any other plastic wrap directly on your food, especially fatty meats or cheeses, given that chemicals from plastic wrap more easily leach out into fats and oils. If you want to use plastic wrap, make sure your food has cooled before wrapping it. Then place a layer of unbleached parchment paper over the food and afterwards cover it with plastic wrap.

The plastics industry has a numbering system that denotes the type of chemical used to make each form of plastic. Labels on each plastic container are comprised of a number that is surrounded by three curved arrows that form a triangular shape. Some forms of plastic are safer; others are known to leach chemicals into food products. (A list of the industry’s categories is found in Table 6.)

In general, products with a plastic code of 3 or V should be avoided, for both of these codes can indicate that the product contains polyvinylchloride. Plastics that are numbered 2 and 4 are less toxic than other plastics, given that they are composed of high-density and low- density polyethylene, respectively. Plastic wraps with the number 5 are composed of polypropylene, and are also generally considered safer to use.

Table 6. Categories of plastic

1 - PET (polyethylene terephthalate): Used to make plastic beverage bottles and some food packaging. This category of plastic may leach chemicals such as DEHA.

2 - HDPE (high-density polyethylene): Used in milk containers and plastic bags. This type is considered a safer form of plastic than the other categories.

3 - PVC (vinyl/polyvinyl chloride): Used to produce some food wraps. This category can potentially leach toxins.

4 - LDPE (low-density polyethylene): Found in shrink wraps, squeezable bottles, and plastic bags. Considered less toxic than other plastics.



5 - PP (polypropylene): Found in bottle tops, bags, and food wraps as well as yogurt and margarine containers. Considered one of the safest plastics.

6 - PS (polystyrene): Used for plastic utensils and Styrofoam packaging. May leach into food products.

7 - Others, such as LEXAN, polycarbonate and BPA (aka bisphenol A) Usually layered or mixed with other plastics.

Aluminum foil is a useful wrapping tool, but should be used carefully. As mentioned earlier, aluminum is a recognized neurotoxin and certain cancers and cases of infertility have been associated with aluminum toxicity. Best if you don’t have aluminum foil directly contact your food, especially acidic foods such as cut tomatoes, tomato sauce, and citrus products like oranges and lemons. It has been shown that cooking foods in aluminum foil causes leaching of the metal into the food. Instead, cover the food first with unbleached parchment paper and then, over that, wrap it with aluminum foil.

Wax paper is a common food wrap, but did you realize that most conventional brands of wax paper are coated with paraffin, a petroleum product? However, there are wax papers on the market that use soybean wax, which is nontoxic. If you prefer to use wax paper, it’s best to opt for soybean-coated wax paper.

My personal choice for a food wrap is non-bleached parchment paper. Parchment paper is a wonderful food wrap, but be aware that there are two different varieties: bleached and non-bleached. The problem with bleached paper products in general — whether it’s parchment paper, paper towels, or coffee filters — is that one of the byproducts of the bleaching process is dioxins, which are toxic. Dioxins can easily leach into food from paper products, so if you choose to wrap your food or bake your food in parchment paper, look for the unbleached variety. In fact, I’d recommend using only unbleached paper products in your kitchen, especially drip coffee filters. Hot coffee passing through a bleached filter can leach dioxins into the coffee, something that is easy to avoid as there are many unbleached coffee filters available for sale.

Food Containers

Food containers are typically made of different varieties of hard plastic or glass. Tupperware is a common high-end brand of container that has been on the market for a long time. Tupperware states that since 2010 they have not sold items containing BPA, but that suggests their products manufactured before 2010 contained BPA. Regrettably, these products should probably be discarded. While BPA has been taken out of many plastics due to consumer demand, it has unfortunately been replaced in some instances with Bisphenol S (BPS) or Bisphenol F (BPF), both of which can affect the body’s endocrine system, just as BPA does.38 Studies show that BPS is found in 81% of random human blood samples tested.39 Just as with water bottles, food storage containers that are labeled “BPA-free” may indeed be free of BPA free, but this doesn’t mean they are BPS-free or BPF-free or safe from other potentially toxic additives and compounds.

Hard plastic containers will typically have a number on the bottom from 1 through 7 to denote the type of plastic. As detailed previously, the numbers 2, 4, and 5 are generally recognized as being safe for food and drink, whereas the numbers 3, 6, and 7 are considered a higher risk for toxicity. If you choose to use hard plastics for food storage, it’s best not to store acidic or oily foods in them. Containers that are scratched up or badly worn should be discarded. Certainly do not microwave food in these containers or place them in the dishwasher on a high heat setting. You may even consider placing food items in unbleached parchment paper before placing them in a plastic container. This would provide a barrier between the food and the plastic, which may help a bit. Ideally though, I would recommend storing acidic and oily foods in glass containers.

Glass is the safest material to use for storing food. Glass is heavy and it can shatter if it is dropped, but it is inert and will not react with food. Prices for glass food storage containers have come down as the demand for them has increased. As mentioned earlier, make sure that the glass containers you use are not painted on the inside where the food is placed. If possible, try to obtain glass containers that are made in the United States and not imported from China. Glass from China has been found to contain lead and/or cadmium, 40, 41 especially if there is paint or enamel on the product. Pyrex and Anchor Hocking are two excellent American manufacturers. Glass containers may be used with plastic lids or may be covered with a plastic wrap or aluminum foil if the food doesn’t come into contact with the covering. Otherwise, use a larger container. Glass Mason jars are also an excellent, inexpensive way to store leftover food.

These simple alterations to your cooking and food storage practices will significantly reduce your exposure to all kinds of potential toxins in the kitchen.

More from Toxic Home Conscious Home:

Beneficial Household Lighting Choices
Physiological Effects of Lighting


Reprinted with permission from Toxic Home/Conscious Home, by Rob Brown M. D. and published by Healthy Berry LLC.
Trisha
4/6/2019 3:57:59 PM

My son is serious about eliminating plastic from his home so I have learned much from him. I use wide-mouth Mason jars to store food. I make large batches of soup, eat some that day and freeze portions in the jars to take to work or warm for a quick dinner. I also freeze leftovers to heat another time or take for lunch. I buy ingredients in bulk, but the store is not set up for me to use my own jars during the purchasing process. I weigh the food into the plastic bags then at home I put them in glass jars, removing the labels from the bags and attaching them to the jars. The labels include the date of purchase which I find handy.


Nannie
4/4/2019 7:10:43 AM

Excellent and concise article. Thank you!


LISAL
2/8/2018 7:38:23 AM

What about Tupperware from the 70s and 80s?







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