Safer storage: Avoiding microplastic concerns while managing holiday leftovers (2024)

As the holidays approach, our kitchens are warming with festive feasts for friends and loved ones. The joy of preparing and indulging in holiday delicacies is often followed by the challenge of managing all those leftovers.

In the spirit of healthy living, it’s essential to steer clear of the pitfalls of plastic restaurant takeout containers and consider healthier alternatives for holiday dinner leftovers and beyond.

Plastic takeout and delivery food containers

Since the pandemic, more people have been making use of takeout and food delivery services. Many households have accumulated the standard plastic containers preferred by restaurants and food trucks for their convenience, price and stacking capabilities.

While reuse of these containers seems like a good choice, especially for storing leftovers, it raises concerns about potential health hazards. These containers are made with chemical additives, and a lack of transparency in their composition raises doubts about their long-term safety.

Microplastics from food containers

One serious pitfall is microplastics, tiny particles of plastic, that can leach from food containers, especially when they’re reheated or washed.

Studies show people are exposed to microplasticsfromcutting boards and from twisting the caps of plastic bottles.

People also are likely exposed to microplastics while storing food in plastic containers. One study found microplastics in all reusable plastic takeout containers from restaurants. Storage of hot food in takeout containers accelerates the rate of leaching of microplastics and other potentially hazardous substances.

Effect on our health

Another paperreviewed multiple studies that found microplastics in human organ, like the heart, placenta, testes, as well as various body fluids. The researchers emphasized the urgent need to understand the interaction of microplastics with cellular processes, especially their ability to adsorb and release toxic chemicals.

High doses of microplastics can harm the kidneys. Microplastic particles from food containers have been found to be associated with altered gut and oral microbiota, as well as other health issues. People who consume takeout food over a long period of time face a greater risk of these health hazards.

The disposal of widely used plastic containers also pollutes the environment. Safer food storage containers for holiday leftovers include glass, stainless steel and ceramic.

Glass containers

For storing leftovers, glass outshines plastic in durability, longevity and environmental impact. If well-maintained, glass can outlast plastic alternatives in the kitchen, offering a safe and recyclable solution for leftovers. Because of its non-porous surface, glass doesn’t absorb odors the way plastic does, making it ideal for storing a variety of foods without compromising flavors.

These containers are dishwasher-safe, resistant to melting or warping, and can endure higher temperatures. They’re also good for storing food in the fridge or freezer. Glass containers are leakproof and easy to clean, a reliable way to store and preserve your favorite holiday dishes.

For safety reasons, glass should be replaced if it becomes chipped or cracked.

Stainless steel

Stainless steel has become a popular option for storing leftovers, a non-breakable, lightweight alternative to plastic. Lids are easy to secure and open with user-friendly latches. There is no plastic, eliminating concerns about chemical leaching.

These containers are odor-resistant and highly durable, as well as dishwasher-safe. And, with proper care, they can be used for years.

Although stainless steel containers come with a higher price tag, their longevity and durability can justify the investment. Another downside of stainless steel is you can’t see what is inside the container. They’re also not microwave-friendly.

Ceramics

Ceramic stands out for its heat resistance and surpasses plastic in durability. These containers can withstand high temperatures while resisting scratches and chipping. Beyond their durability, ceramic food containers boast a wide variety of designs and colors, enhancing the aesthetic appeal of any kitchen.

Their versatility shines through, since they are safe for use in the oven, microwave and freezer, making them good for reheating and storing leftovers.

Safer storage: Avoiding microplastic concerns while managing holiday leftovers (2024)

FAQs

How to store food without microplastics? ›

Glass containers

If well-maintained, glass can outlast plastic alternatives in the kitchen, offering a safe and recyclable solution for leftovers. Because of its non-porous surface, glass doesn't absorb odors the way plastic does, making it ideal for storing a variety of foods without compromising flavors.

Why should plastic food containers be avoided? ›

Studies have found that certain chemicals in plastic can leach out of the plastic and into the food and beverages we eat. Some of these chemicals have been linked to health problems such as metabolic disorders (including obesity) and reduced fertility.

How to solve microplastic problems? ›

Here are seven ways you can make a difference, starting today.
  1. Reduce Your Use of Single-Use Plastics. ...
  2. Support Legislation to Curb Plastic Production and Waste. ...
  3. Recycle Properly. ...
  4. Participate In (or Organize) a Beach or River Cleanup. ...
  5. Avoid Products Containing Microbeads. ...
  6. Spread the Word.

What are the problems with plastic food storage? ›

Regardless of whether a plastic food container contains phthalates or BPA, it may not be entirely safe. Plastics break down over time, which means they can potentially release trace amounts of whatever chemicals they are made of into the food.

How to store leftovers without plastic? ›

Airtight Glass Containers

These are a great option for storing, heating up, and transporting all kinds of foods and liquids. They are available in a variety of sizes and shapes, including square, rectangular, and oval. Their secure lids, which can be stainless steel or clip-on, keep liquids like sauces from leaking.

Is it safe to store leftover food in plastic containers? ›

In general, the safest choices for food use are numbers 1, 2, 4 and 5. The American Academy of Pediatrics recommends avoiding plastic containers with codes 3, 6 and 7. Plastic number 3 contains vinyl or polyvinyl chloride (PVC), 6 has polystyrene and 7 can contain various plastics, such as Bisphenol A (BPA).

What are the safest plastic food storage containers? ›

The safest plastic food storage containers are HDPE, LDPE, and PP plastics. These include juice and milk jugs, grocery bags, bread bags, produce bags, and food storage boxes. Food can be stored in these types of plastic containers without any toxins leaking.

Is it safe to store pantry food in plastic containers? ›

Avoid storing for a long period of time:

Usually, plastic containers are preferable for short to medium-term storage, but they are not ideal for long-term storage. Don't plan to store food for a long time if you are using plastic containers.

What not to store in plastic containers? ›

Below are the seven things never to store in plastic containers and the best alternatives to balance convenience with safety and preservation.
  • Important documents and valuables. ...
  • Food items. ...
  • Chemicals and hazardous materials. ...
  • Electrical equipment. ...
  • Medications. ...
  • Clothing and fabrics. ...
  • Premium spirits and wines.
Mar 12, 2024

How to get rid of microplastics in food? ›

Natural Cooking Utensils

Plastic kitchen utensils have become common in kitchens, but if you're serious about eliminating microplastics these should be some of the first things to go. Plastic cooking utensils can be replaced with bamboo, stainless steel, or another wood.

What is the solution to microplastics in food? ›

The solution: Choose whole foods and minimally processed foods more often and limit or eliminate highly processed foods from your diet. This will help lower levels of endocrine-disrupting microplastics in the body.

What would be the simplest everyday item to recycle? ›

Easiest Items to Recycle
  • Metal: Most metals are easily recyclable. ...
  • Glass: Most household glass can be recycled over and over again. ...
  • PET Plastics: Polyethylene Terephthalate (PET) plastic bottles can be continuously remade into other PET containers, packaging, clothing, carpeting, construction materials, and much more!
Oct 18, 2019

Why is food storage a problem? ›

Paper boxes, plastic bags, cellophane wrappings and even frozen food in plastic will all leak oxygen through pin holes, poor sealing, poor wrapping or osmosis penetrating through these packages. Even canned food has a packaging problem using cans not designed for long-term storage.

What are the risks of food storage? ›

Beware of the temperature danger zone

Food poisoning bacteria grow and multiply fastest in the temperature danger zone between 5 °C and 60 °C. It is important to keep high-risk food out of this temperature zone.

Do Ziploc bags have microplastics? ›

For all their advantages, Ziploc Bags also create a number of problems for the environment. Many Ziploc Bags end up in the ocean, where they decompose very slowly, breaking into tiny pieces known as microplastics, which can enter the marine food chain and become incredibly damaging to sea life.

What's the healthiest way to store food? ›

What can I use instead of plastic containers?
  • Use high-quality glass containers. ...
  • Use ceramic containers. ...
  • Use stainless steel containers. ...
  • Look for BPA-free options. ...
  • Use Silicone Bags. ...
  • Use Beeswax or Vegan Food Wraps. ...
  • Use Tiffin carriers. ...
  • Use a cotton storage bag.

What is the healthiest material for food storage? ›

Material: Choose containers made of non-toxic materials such as glass, stainless steel, or ceramic. Airtight: Ensure that the container has an airtight seal to prevent bacteria and air from getting in.

What food has the most microplastics? ›

Breaded shrimp contained the most tiny plastics by far, at well over an average of 300 microplastic pieces per serving.

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