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61,005 resultsShowing papers similar to Microplastic Pollution and Risk Assessment in Packaged Teas in Türkiye
ClearMicroplastic contamination in some herbal teas and human risk assessment: Türkiye
Researchers analyzed microplastic contamination in four types of packaged herbal teas from five Turkish brands. They found microplastic fibers in all tea samples tested, with the highest particle counts in linden tea and teas brewed for five minutes, composed primarily of ethylene vinyl acetate, PET, and polyacrylonitrile polymers. The study classified all tested brands and tea types as having very high levels of microplastic contamination based on contamination factor analysis.
Investigating the release of microplastics from tea bags into tea drinks and human exposure assessment
Researchers tested tea bags from five brands in Iran and found that every brand released microplastics into the tea, with an average of over 500,000 particles per bag. The most common plastics were cellulose acetate and nylon fibers, mostly in the 10-50 micrometer size range. Based on typical tea consumption, children and adults could be ingesting thousands of microplastic particles per kilogram of body weight daily just from drinking tea.
Microplastic contamination in some beverages marketed in türkiye: Characteristics, dietary exposure and risk assessment
Researchers tested 47 different beverages sold in Turkey and found microplastics in about one in five samples, with cold tea showing the highest contamination levels. While the estimated daily intake from these beverages was considered a low physical health risk, the study confirms that packaged drinks are a routine source of microplastic exposure for consumers.
Behavior, Characteristics and Sources of Microplastics in Tea
This review examines microplastic contamination in tea and tea products, covering how microplastics enter tea from packaging materials, processing, and brewing equipment, and summarizing findings on particle abundance and polymer types detected in this widely consumed beverage.
Microplastics in tea from planting to the final tea product: Traceability, characteristics and dietary exposure risk analysis
Researchers traced microplastics through every stage of tea production, from the soil where tea plants grow to the final brewed cup, finding the highest contamination during the rolling step of processing. Based on estimated daily tea consumption, the dietary exposure to these particles was considered a low health risk, but the study confirms that tea is a consistent source of microplastic intake for regular drinkers.
Label-free detection and characterization of secondary microplastics from tea bags
Researchers used advanced microscopy techniques to detect microplastics released from tea bags into boiling water. The study identified several types of plastic materials, including polyethylene, polyvinyl chloride, and nylon, in micrometer-sized particles across 11 different tea bag samples. These findings suggest that brewing tea in plastic-containing bags may be a direct route for microplastic ingestion.
Hidden risk of microplastics in milk tea and coffee: A case study from China's freshly-made beverage market
Researchers tested 105 freshly made milk tea and coffee drinks from seven popular brands in China and found microplastics in 93% of the samples. The average cup contained about 10 particles, primarily polyamide, polyurethane, and PET, which likely originated from the surrounding environment rather than the ingredients themselves. The study estimates that Chinese adults may consume around 25 microplastic particles per kilogram of body weight each year from these beverages alone.
Health risks posed by microplastics in tea bags: microplastic pollution – a truly global problem
This study examines the health risks associated with microplastics released from tea bags during the brewing process. Researchers highlight that commonly used tea bag materials like polypropylene and nylon can release significant numbers of microplastic particles and potentially harmful chemicals when exposed to high temperatures. The study suggests that microplastic contamination in tea bags, along with associated compounds like heavy metals and fluorine, warrants further investigation to protect consumer health.
Determination of the microplastic particle release by tea bags during brewing
Researchers measured the release of microplastic particles from tea bags during brewing, finding that plastic particles leach into the hot beverage. This study highlights an often-overlooked source of microplastic ingestion through everyday food and drink preparation.
A microscopic survey on microplastics in beverages: the case of beer, mineral water and tea
Researchers tested beer, bottled mineral water, and tea from around the world and found microplastics in every sample without exception. Beer contained 20 to 80 microplastic particles per milliliter, mineral water about 10 per milliliter, and tea leaves carried 200 to 500 per gram, with different plastic types identified in each beverage. The findings highlight that everyday drinks are a routine source of microplastic exposure for consumers.
Microplastics and phthalate esters release from teabags into tea drink: Occurrence, human exposure, and health risks
Researchers found that teabags release significant quantities of microplastics and phthalate esters into tea during brewing, with health risk assessments indicating potential human exposure concerns from these contaminants through regular tea consumption.
Synthetic microplastics in hot and cold beverages from the UK market: Comprehensive assessment of human exposure via total beverage intake
Researchers tested 155 common hot and cold beverages from UK stores and found microplastics in every single sample. Hot tea had the highest levels at about 60 particles per liter, and hot beverages consistently contained more microplastics than cold ones, suggesting that heat causes more plastic to leach from packaging. Based on typical UK drinking habits, the estimated daily microplastic intake from beverages alone was 3,432 to 6,864 particles per person.
Microplastic pollution and human risk assessment in Turkish bottled natural and mineral waters
This study analyzed 150 samples of bottled natural and mineral water sold in Turkey for microplastic contamination. Microplastics were found in all samples tested, with fibers being the most common type, and the study estimated the potential health risk to consumers. The results add to global evidence that bottled water is a consistent source of human microplastic ingestion, regardless of the country of origin.
Reducing microplastics in tea infusions released from filter bags by pre-washing method: Quantitative evidences based on Raman imaging and Py-GC/MS
Researchers measured the microplastics released from tea filter bags during brewing and found up to 1,288 micron-sized particles per bag. However, a simple fix -- washing the tea bag three times with room temperature water before brewing -- removed 76-94% of the microplastics. This practical finding gives tea drinkers an easy way to significantly reduce their microplastic intake from a common daily exposure source.
Microplastic contamination in commercial food and drink products and associated risk of potential human intake in Riyadh, Saudi Arabia
Researchers tested 112 food and drink products from markets in Saudi Arabia and found microplastics in all of them, with tea bags containing the highest levels at over 600 particles per bag. Based on typical consumption patterns, tea bag users face the greatest daily microplastic intake, followed by bottled water drinkers, underscoring how common foods and beverages are a significant source of human microplastic exposure.
Identification and Evaluation of Microplastics from Tea Filter Bags Based on Raman Imaging
Researchers identified and evaluated microplastic release from commercial tea filter bags using Raman imaging combined with chemometrics. The study found that up to 94% of tested filter bags released microplastics after soaking, with particles identified as matching the bag materials, highlighting a potential route of microplastic exposure through everyday beverage consumption.
Microplastics and nanoplastics in tea: Sources, characteristics and potential impacts
This review looks at how microplastics and nanoplastics end up in tea, with plastic teabags being the biggest culprit, releasing over a billion tiny particles per bag when steeped in hot water. Even biodegradable and composite tea bags release significant amounts of plastic particles, raising health concerns given that tea is one of the most widely consumed beverages in the world.
Expertise of Pyramid Tea Bags by Optical Microscopy and Ftir-spectroscopy Methods. Microplastics Formation in Brewed Tea
Ukrainian researchers analyzed eight brands of pyramid tea bags sold in Ukraine using FTIR spectroscopy and optical microscopy, finding they are made from thermoplastic polymers including polyethylene terephthalate and nylon. Steeping these bags in hot water released microplastic particles into tea, raising concerns about a common but overlooked dietary exposure route to microplastics.
Unveiling the hidden threat of microplastic in paper cups and tea bags: a critical review of their exacerbation and alarming concern in India
Researchers reviewed how everyday paper cups and tea bags release microplastics and toxic chemicals — including phthalates and heavy metals — into hot beverages, with plastic coatings and bag materials breaking down during normal use, posing underappreciated health risks especially in tea-heavy cultures like India.
Tracing source of microplastics contamination in CTC tea: Effect of processing stages and human health risk assessment
Researchers traced microplastic contamination through each stage of CTC tea manufacturing and found that processing equipment made of plastic, including conveyor belts and extraction machines, contributes particles throughout production. Contamination was highest during the fermentation stage and included polyethylene, polyacrylates, PVC, and nylon fragments. While the estimated health risks from consuming the tea fell within current safety limits, the study provides the first baseline data on how tea processing itself introduces microplastics.
Characterization of microplastics in sediments and surface waters of Turkish lakes
Researchers surveyed seven lakes in Turkey and found microplastics in all of them, with polyethylene and polypropylene being the most common types. Human activities like tourism, fishing, and urban waste disposal were identified as major sources, showing that even protected lake areas are contaminated with plastic particles that can enter drinking water supplies.
Microplastics contamination in popular soft drinks and non-alcoholic beverages marketed in Iran: Quantity and characteristics
Researchers found microplastics in 80–90% of popular soft drinks and non-alcoholic beverages sold in Iran, detecting an average of about 22 particles per liter, with plastic fragments from PET and polyethylene packaging as the dominant types. These findings highlight that plastic beverage containers are a likely source of human microplastic ingestion and call for tighter industry monitoring.
RETRACTED: Is there tea complemented with the appealing flavor of microplastics? A pioneering study on plastic pollution in commercially available tea bags in Bangladesh
Researchers analyzed commercially available tea bags from five brands sold in Bangladesh and found microplastic-like particles present in all samples. The particles were identified across multiple polymer types and varied in size and shape. Although this study has been retracted, the initial findings had raised concerns about tea bags as a potential source of human microplastic exposure through daily beverage consumption.
Microplastic pollution of drinking water in a metropolis
Researchers analyzed 100 drinking water samples from various sources across Istanbul and found microplastics in every sample, with concentrations ranging from 10 to 390 particles per liter. Eight different polymer types were identified, including polyethylene, polypropylene, and PVC, in both fiber and fragment forms. The findings indicate that drinking water in major metropolitan areas is a consistent pathway for human microplastic exposure.