How safe is your tea or coffee in a paper cup?

 

Disposable paper cups are Higher choices of containers for consuming hot beverages. But recent research has confirmed the existence of contaminated particles of the hot liquid served in paper cups due to the degradation of micro-plastics and other hazardous components from the lining material of the cup.

Are originally paper cups made of paper?

 NO, the paper cups are usually lined by a thin layer of hydrophobic film which is made of mostly polyethylene and sometimes co-polymers to hold the liquid in the paper cup.

 Reaction time with a thin layer of polyethylene in the hot beverages is around 15 to 20 min at temperatures between 160 degrees F (71.1 degrees C) and 185 degrees F (85 degrees C).

Generally, micro-plastics can act as carriers for contaminants like ions, toxic heavy metals such as lead, Palladium, Chromium, and Cadmium, and a few organic compounds that are similarly tending to repel in nature. thus, allowing them to conveniently cross over to human beings. When ingested, the health implications could be serious.

An average person drinking three regular cups of tea or coffee daily, in a paper cup, would end up ingesting 75,000 tiny microplastic particles which are invisible to the naked eye.

The role of polyethylene in the paper cup industry?

Disposable paper cups and plates are prepared of 5% inner polyethylene (PE) coatings to prevent leakage. Most paper cups are designed for single use and then disposal.

Very little recycled paper is used to make paper cups because of contamination concerns and regulations. Then both composting and recycling paper cups are uncommon because of the difficulty in separating the polyethylene in the recycling process.

Does Polyethylene penetrate Food and Drink?

While polyethylene is relatively stable and is generally considered a safer plastic for food and drink, it has also been shown to leach plastic additives.  

polyethylene resin did not leach any endocrine-disrupting chemicals, but common food containers made with polyethylene did penetrate.  Leaching from plastic items into food containers is increased with some of the parameters such as heat, duration of contact, and acidity of the food or drink.  So, consider how the item is being used and how you will be exposed to it.

Avoiding any plastic and paper cups is ideal because it not only poses a risk to human health, but it is harmful to the environment.  But, if you must use products made with polyethylene, the risk of exposure is probably low, and surely it leads to some side effects.

To provide waterproofing and prevent leaking, paper cups often include a thin coating of polyethylene or a similar substance on the inside. It is crucial to note, however, that the polyethylene covering is intended to be food-safe and exceeds regulatory criteria.

The polyethylene covering in paper cups is usually regarded safe when used as intended and not subjected to severe temperatures or prolonged contact with liquids. There is little chance of considerable chemical migration from the coating into the beverage.

However, studies have shown that under some situations, such as high temperatures or extended contact, minute quantities of chemicals, including compounds like phthalates, can migrate from the coating into the food or drink. The degree of migration is normally within regulatory agencies' permissible limits, although it is best practice to avoid exposing paper cups to intense heat or extended contact with hot liquids.

If you are concerned with potential chemical migration or wish to limit your exposure to such chemicals, you may want to consider utilizing reusable cups made of glass, ceramic, stainless steel, or other food-grade materials without a polyethylene covering.

Alternate disposable cups for Paper Cups

There are a few alternatives to paper cups if you're seeking disposable cups. Here are some examples of common alternatives:

Biodegradable or compostable cups: These cups are meant to degrade organically over time and have a lower environmental effect than standard plastic cups. They are usually constructed of plant-based polymers (PLA), bagasse (sugarcane fiber), or bamboo. However, it's critical to double-check the exact certifications and disposal instructions to verify they correspond with your sustainability objectives.

Plastic cups produced from recyclable materials, such as polypropylene (PP) or high-density polyethylene (HDPE), are available. These cups can be collected and recycled by participating in authorized recycling programs. To guarantee appropriate disposal, look for cups labeled with recycling symbols and verify your local recycling rules.

Paper cups with a plant-based or biodegradable lining: Some paper cups utilize alternative linings generated from plant-based materials instead of typical polyethylene linings. These linings are intended to be more ecologically friendly and have a lower environmental effect. Look for cups that are advertised as having biodegradable or plant-based linings.

Cups composed of edible materials, such as edible wafers or cookie-like things, are available. These cups may be consumed alongside the beverage and provide a unique and eco-friendly option. However, availability and practicality may differ based on your area.

Remember to consider variables such as sustainability, environmental effect, and availability while looking at replacement throwaway cups. Consider reusable solutions such as stainless steel, ceramic, or glass cups, which may considerably minimize waste when used frequently.