Maya Ellison
Plastic deli containers are a common household item, often used for storing leftovers or dry goods. They are lightweight, stackable, and have universal lids, making them a convenient option for many. However, concerns have been raised about their safety, especially when it comes to reuse and exposure to heat. The debate centres around the potential leaching of chemicals from the plastic into food, particularly when the containers are washed, heated, or microwaved repeatedly. While some experts advise against using plastic containers altogether, others argue that the plastics used in food packaging undergo rigorous testing and are safe for use as labelled. The lack of transparency around the specific chemicals used in plastics and the potential health risks they may pose makes it challenging to determine the safety of reusing plastic deli containers.
| Characteristics | Values |
|---|---|
| Reusable | Yes, but not recommended by experts |
| Dishwasher-safe | Yes, but not recommended by experts |
| Microwave-safe | Yes, but not recommended by experts |
| Stackable | Yes |
| Leak-proof | No |
| Airtight | Yes |
| Material | Polypropylene |
| Chemicals | Likely to leach chemicals due to heat and repeated washing |
| FDA-approved | Yes |
| FDA testing | Not rigorous enough according to some experts |
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What You'll Learn
Plastic deli containers are typically made of polypropylene
However, there are concerns about the safety of reusing plastic containers, including those from delis. Experts advise against using plastic containers, especially in the microwave or dishwasher, due to the risk of chemical leaching. Heat breaks down plastic, increasing the rate of chemical migration into food or drink. This can occur even in water bottles left in the sun. The more plastic containers are reused and exposed to heat, soap, and acidic foods, the more likely they are to leach chemicals.
The plastics industry asserts that all plastics used in food packaging undergo rigorous testing by chemists and toxicologists before approval by regulatory bodies like the US Food and Drug Administration (FDA). They maintain that plastic containers with microwave- and dishwasher-safe labels can be used safely when following the specified conditions of use.
Nevertheless, critics argue that the plastics industry lacks transparency in disclosing the complete formulas of their products, making it challenging to assess safety comprehensively. Thousands of chemicals are added to plastics to achieve specific properties, and many of these chemicals have not been adequately tested for potential health risks. The FDA's review process relies on toxicological data provided by manufacturers, and there are no mandatory regulations for testing procedures.
While plastic deli containers offer convenience and versatility, the potential health risks associated with reusing and exposing them to heat warrant consideration. It is essential to make informed decisions about reusing plastic containers and exercise caution when doing so.
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Heat and plastic don't mix well
While the plastic industry maintains that its containers are safe for use in the freezer, microwave, and dishwasher, experts caution that heat and plastic don't mix well. There are several reasons for this. Firstly, heat helps to break the chemical bonds in plastic, potentially increasing the rate of chemical migration from the container into the food. This has been observed in studies where water bottles were left in the sun, and even more so when boiling water was poured into polycarbonate containers. Deli containers, in particular, tend to get suspiciously pliable when filled with hot liquids, indicating that they may not be the safest option for reuse.
Secondly, the lack of transparency in the plastics industry makes it difficult to determine the safety of plastic products. While the FDA has oversight of any "food contact substance" (FCS), the review process relies on toxicological data submitted by the manufacturers themselves, and there are no regulations in place for how those tests are performed. As a result, there are thousands of chemicals added to plastics to give them specific properties, many of which are proprietary secrets and have not undergone sufficient testing to prove their safety.
Thirdly, plastic is not a completely stable material, and when exposed to heat, common plastics like polyethylene and polypropylene can break down and leach unknown chemicals into food and drink. This is especially true for containers that are scratched, discolored, or past their expiration dates. Oily and fatty foods should also be avoided as many chemicals used in plastic are fat-soluble and more likely to leach into these types of foods.
Finally, the true cost of plastic is becoming more apparent, from its contributions to global heating and pollution to the chemicals and microplastics that find their way into our bodies, the food chain, and the environment. With only 9% of plastic waste ever recycled, it's clear that plastic is not a sustainable option in the long run. So, while the convenience of plastic containers is undeniable, it's important to be cautious about their reuse, especially when it comes to heat and food storage. Glass or ceramic containers are recommended as safer alternatives for microwaving food.
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Plastic deli containers are inexpensive, lightweight, and multi-purpose
While plastic deli containers are convenient and affordable, there are concerns about their safety, especially when it comes to reuse and heating. Experts advise against using plastic containers, especially in the microwave or dishwasher, as heat can cause plastic to break down and leach chemicals into food or drinks. The more plastic containers are reused and exposed to heat, soap, and acidic foods, the more likely they are to leach chemicals.
The plastics industry maintains that all plastics used in food packaging undergo rigorous testing and can be safely used in the freezer, microwave, or dishwasher when labeled as such. However, some experts question the rigor of these standards, as the FDA relies on manufacturers to determine the safety of chemicals used. There is a lack of transparency regarding the specific chemicals added to plastics, and many of these chemicals have not been adequately tested for safety.
Ultimately, while plastic deli containers offer convenience and affordability, there are valid concerns about their potential health risks when reused or exposed to heat. It is recommended to exercise caution and consider alternative options like glass or stainless steel containers if possible.
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Experts advise against using plastic containers if possible
Plastic containers are convenient, inexpensive, lightweight, and space-saving. However, experts advise against using plastic containers if possible, due to health concerns.
Firstly, plastic containers are not entirely leak-proof, as their lids do not always seal tightly. Secondly, there is a lack of transparency regarding the chemicals used in plastic products. While plastic products are typically labelled according to a numerical system that denotes the base resin used, there are thousands of additional chemicals that may be added to plastics to give them specific properties. Many of these chemicals are kept secret by manufacturers and have not been adequately tested for safety.
The FDA provides recommendations for the use of plastic containers, but there are no regulations in place for how manufacturers' tests are performed. Experts caution that heat and plastic don't mix well, and that exposure to high temperatures can increase the rate of chemical migration from the container into the food. This is true even for containers labelled as microwave- and dishwasher-safe, as the symbol refers primarily to the plastic's ability to withstand high temperatures without melting, not its safety for human health. Heating plastic containers, filling them with hot liquids or foods, and repeated washing can all increase the likelihood of chemical leaching.
While the convenience of plastic containers is appealing, consumers can choose alternative options such as glass, stainless steel, or ceramic containers that are safer for both health and the environment.
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Plastic containers are not leak-proof
Plastic deli containers are popular because they are stackable, lightweight, space-saving, multi-purpose, and inexpensive. However, they are not leak-proof. Their flimsy, semi-disposable nature means that they are not entirely leak-proof, as some users have experienced spills and stains from liquids like salad dressing and soup. This can be a significant concern when transporting food or storing items in these containers, as leaks can cause messes and waste.
The lack of leak-proofing in plastic deli containers can be attributed to their thin and flexible construction. These containers are designed to be lightweight and low-cost, often with universal lids that fit multiple sizes. While this makes them convenient for stacking and storage, it also means that they may not have the same level of sealing as more specialized containers. The lids may not fit tightly enough to prevent leaks, especially when the containers are filled with liquids or transported.
Additionally, plastic deli containers are not recommended for heating or storing hot liquids. Heating plastic can cause it to degrade and leach chemicals, which can be harmful to health. This further limits their suitability for certain types of food and beverages. Repeated use and exposure to heat, soap, and acidic foods can increase the likelihood of chemical leaching. Therefore, it is generally advised to avoid using plastic containers for long-term or repeated food storage, especially for hot or oily foods.
To address the issue of leaks and health concerns, some alternatives to plastic deli containers include glass, stainless steel, or ceramic containers. These options are often more durable, leak-proof, and considered safer for storing and heating food. Glass containers, for example, do not absorb smells or stains, can be heated, and are generally considered safer for health and the environment. Stainless steel containers are also lightweight, durable, and suitable for various foods without the risk of chemical leaching.
While plastic deli containers offer convenience and affordability, their lack of leak-proofing and potential health risks associated with plastic are significant considerations. Users should be cautious when using these containers for storing liquids or oily foods and explore alternative options to ensure a safer and more sustainable food storage solution.
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Frequently asked questions
The safety of plastic deli containers is uncertain. Deli containers are typically made of polypropylene, which can break down when exposed to heat, potentially leaching unknown chemicals into food and drink. Experts advise against using plastic containers, especially in microwaves or dishwashers, due to the risk of chemical migration. However, some sources claim that plastic containers are safe if labelled for microwave and dishwasher use.
To minimise the risk of chemical exposure, avoid using plastic deli containers for heating or storing hot liquids or foods. It is also recommended to avoid dishwashing plastic containers, as the high temperature and harsh chemicals can cause them to degrade and potentially leach chemicals.
Yes, there are several alternatives to plastic deli containers. Glass containers are a popular option as they do not absorb smells or stains, and can be used for heating and eating. Stainless steel containers are another durable and leak-proof option. Ceramic containers with lids are also suitable for storing and serving food.
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