Maya Ellison
Plastic packaging plays a vital role in reducing food waste. It offers a protective barrier to food, preventing defects and spoilage, and extending shelf life. This is especially important for the transportation of vulnerable produce, such as raspberries, and delicate items, like eggs. Plastic packaging is also lightweight, reducing transport costs and resources. However, plastic waste is a significant contributor to landfill waste and greenhouse gas emissions. To combat this, researchers are developing innovative solutions, such as creating biodegradable bioplastics from food waste and enhancing plastic recyclability, to reduce plastic food waste and its environmental impact.
| Characteristics | Values |
|---|---|
| Role of plastic packaging | Preventing food waste by providing a barrier to oxygen, light, temperature, moisture, microbes, and other factors that lead to spoilage |
| Plastic packaging benefits | Extended shelf life, reduced food waste, reduced energy consumption, reduced resource usage, improved portion control, improved consumer benefits (appearance, freshness, convenience) |
| Plastic packaging and food waste reduction | Lightweight plastic packaging uses less material, resulting in less packaging waste, reduced energy use, and lower greenhouse gas emissions |
| Plastic packaging in developing countries | Lack of appropriate packaging and transportation solutions leads to higher food loss (40% in developing countries vs. 3% in Europe) |
| Impact of food waste | Food waste is the largest component of municipal waste, contributing to greenhouse gas emissions and economic loss |
| Bioplastics from food waste | Food waste can be converted into biodegradable bioplastics, reducing landfill waste, offsetting petroleum-based plastic production, and minimizing greenhouse gas emissions |
| Plastic packaging recommendations | Customized solutions addressing package damage, portion sizes, storage temperatures, and date labels can significantly reduce food waste and plastic packaging usage |
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What You'll Learn
Plastic packaging helps prevent food waste
However, plastic packaging is extremely wasteful and impacts the Earth's ecosystems. It is often designed as single-use and is thrown away rather than being reused or recycled, with only 9% of plastic being recycled properly. Corporations are supplying the rapidly growing population with single-use plastic, and as a result, 91% of packaging waste ends up in landfills and the environment. This waste is incinerated to make room for more incoming waste, releasing toxic pollutants and irritants into the air.
To reduce plastic food waste, consumers can make better choices when buying and consuming food. They can avoid plastic packaging, buy in bulk, use their containers, and eat whole foods that require less packaging. Growing and canning one's own food can also reduce plastic packaging waste. Additionally, partnering with packaging companies that recognize food waste issues can help reduce the environmental impact and costs associated with food spoilage.
While plastic packaging can help prevent food waste, it is important to balance its benefits with the negative impact of plastic waste on the environment. Reducing single-use plastics and increasing the usage of biodegradable materials can help mitigate environmental damage and improve waste management systems. Improving the life cycle of products through proper engineering and design can also enhance transparency, efficiency, and environmental performance.
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Plastic packaging contributes to reducing food spoilage
Plastic packaging plays a significant role in reducing food spoilage and waste. It offers a physical protective barrier to food, preventing defects that can occur with other types of packaging. This barrier protects food from environmental factors such as oxygen, humidity, microbes, moisture, UV light, and physical damage. For example, rigid plastic packaging can protect delicate contents like eggs during transportation, reducing spoilage before products reach the customer.
Plastic packaging also prolongs the shelf life of perishable food items, which is critical as food now travels further on average before being consumed. Vacuum-sealed plastic packaging can keep meat fresh up to ten times longer than alternatives, maintaining an "appetizing" color that customers associate with freshness. This allows stores to keep food on shelves longer, reducing waste. Plastic packaging is also effective at reducing contamination and spoilage during manufacture and transport, as it absorbs vibration and shock from sudden movements.
Additionally, plastic packaging is lightweight and durable, reducing transport costs and resources. It is often lighter than alternative materials, and its durability reduces food insecurity by maintaining product integrity during and after transit. This durability also contributes to its sustainability, as it retains value beyond its end-of-life. Furthermore, plastic packaging is more economical than alternatives like glass and aluminum, reducing costs for consumers and manufacturers.
While plastic packaging can contribute to reducing food waste, it is important to note that most plastic packaging is designed to be single-use and often ends up in landfills, incinerators, or waterways, contributing to environmental concerns. To reduce plastic waste, consumers can carry reusable shopping bags, use reusable containers for food and beverages, and buy foods in bulk or from the bulk bin section with their own containers.
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Plastic packaging increases shelf life
Plastic packaging has been a topic of debate in recent years, with many questioning its environmental impact and whether we should transition to paper packaging. However, plastic packaging plays a crucial role in increasing shelf life and reducing food waste.
Plastic packaging offers a protective barrier for food, preventing spoilage and defects that can occur with other types of packaging. It shields food from environmental factors such as oxygen, humidity, microbes, moisture, and UV light, all of which can accelerate food decay. For example, a cucumber wrapped in plastic can stay fresh for up to 14 days, while an unwrapped cucumber only lasts for about five days. Similarly, plastic packaging can nearly triple the shelf life of a cauliflower, ensuring that the resources used to grow, harvest, and transport it are not wasted.
Plastic packaging is especially beneficial for delicate and perishable items, such as eggs and raspberries, by preventing physical damage during transportation. Vacuum-sealed plastic packaging is essential for meat, as it prevents oxidation, doubling the shelf life of red meat. Additionally, packaging with absorbent packets can triple or quadruple the shelf life of bread.
While there is a valid concern about plastic waste, it is important to recognize its role in reducing food waste. Plastic packaging helps maintain food quality and freshness, especially during transportation, which is a significant issue in developing countries. By extending shelf life, plastic packaging reduces the amount of food that ends up in landfills, decreasing methane production and the environmental impact of food waste.
To address environmental concerns, companies are working on innovative solutions to enhance plastic recyclability and create a circular economy. For instance, Krehalon offers packaging that uses less plastic while still extending shelf life. Additionally, packaging companies can work with retailers to design packaging that reduces plastic usage or is ready for recycling when household infrastructure allows. These efforts aim to balance the benefits of plastic packaging in increasing shelf life and reducing food waste with the need to minimize plastic waste.
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Plastic packaging is lightweight and resource-efficient
Plastic packaging is one of the most widely used packaging materials due to its lightweight qualities, low cost, mouldability, flowable nature, variable colours, or transparency. It is often lighter than alternative materials and therefore helps to save transport costs and
Plastic packaging helps to reduce food waste by offering a physical protective barrier to the food and preventing defects that often occur with other types of packaging. This extends shelf life by reducing the impact of environmental factors (such as oxygen and humidity) which can speed up spoilage. For example, the shelf life of beef can be extended by five to ten days, or even longer, when using the most advanced plastic packaging solution.
Plastic packaging also prevents physical damage, which is especially important for the transportation of vulnerable fruits such as raspberries. Plastic packaging retains its value even beyond its end-of-life. For instance, plastic packaging can be recycled into products such as biodegradable packing peanuts, which can be used instead of bubble wrap and styrofoam.
However, plastic packaging waste continues to be a major strain on the environment. Only 2% of plastic packaging materials are recycled as packaging materials globally, while the remaining plastic is either incinerated or ends up in landfills, water bodies, and the environment. To address this issue, companies are developing advanced recycling technologies that allow for a wider range of plastics to be recycled.
To reduce plastic food waste, consumers can opt for eco-friendly packaging solutions such as cellulose packaging, which is made from natural sources like hemp, wood, and cotton, or cornstarch packaging, which is made from renewable sources and is biodegradable. Businesses can also adopt more sustainable practices by choosing eco-friendly alternatives to traditional plastic and styrofoam materials, such as recycled cardboard boxes or biodegradable padded mailers.
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Plastic waste can be turned into biodegradable bioplastics
Plastic packaging is a major contributor to reducing food waste. It offers a protective barrier to food, preventing defects that occur with other types of packaging, and extending shelf life by reducing the impact of environmental factors. Plastic packaging is also lightweight, saving transport costs and resources.
However, plastic waste is a growing global problem. An estimated 11 million metric tons of plastic end up in the oceans each year, and if the current rate of consumption continues, the amount of plastic waste produced will triple by 2040.
Bioplastics, which are plastics manufactured from bio-based polymers, can be part of the solution to this problem. Bioplastics can have a lower carbon footprint than fossil-based plastics, and some are biodegradable. For example, Stanford University researchers and California-based startup Mango Materials are transforming methane gas from wastewater treatment plants or landfills into bioplastic. The methane is fed to plastic-producing bacteria that transform it into PHA, which can be used for plastic caps, shampoo bottles, or biopolyester fibers.
However, bioplastics also have drawbacks. The crops that produce bioplastics can also be used to feed people, and the land required for bioplastics production competes with food production. Additionally, bioplastics are relatively expensive due to the complex processes used to convert plants into the building blocks for bioplastics. Furthermore, if bioplastics end up in landfills without enough oxygen to break them down, they can last for centuries and release methane, a potent greenhouse gas.
Therefore, while bioplastics can be a useful tool in reducing plastic waste, they are not a perfect solution, and a more comprehensive approach to reducing plastic waste is needed, including recycling and reusing plastic in a circular economy.
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Frequently asked questions
Plastic packaging helps to reduce food waste by providing a protective barrier to oxygen, light, temperatures, moisture, microbes, and other factors that lead to spoilage. It also helps to save transport costs and resources as it is often lighter than alternative materials.
Food waste is the single largest component of municipal waste in the United States and contributes to 8-10% of all greenhouse gas emissions. Food waste also wastes the resources that went into growing it, such as water, fertilizers, pesticides, and energy.
Proper packaging is essential to reducing plastic food waste. Using lightweight plastic packaging can help to reduce the amount of packaging waste and energy use, as well as producing fewer greenhouse gas emissions. Additionally, partnering with a packaging company that can design solutions to address specific issues can help to reduce the cost associated with food spoilage and minimize the impact on the environment.
