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The effects of storage time and sunlight on microplastic pollution in bottled mineral water

Water and Environment Journal 2022 19 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Mina ravanbakhsh, Mina ravanbakhsh, Maryam Ravanbakhsh, Neamat Jaafarzadeh Haghighi Fard Maryam Ravanbakhsh, Maryam Ravanbakhsh, Maryam Ravanbakhsh, Hamzeh Ali Jamali, Maryam Ravanbakhsh, Mina ravanbakhsh, Mina ravanbakhsh, Mehdi Ranjbaran, Saied Shahsavari, Maryam Ravanbakhsh, Neamat Jaafarzadeh Haghighi Fard Saied Shahsavari, Neamat Jaafarzadeh Haghighi Fard

Summary

Bottled mineral water was found to contain a mean of 63.9 microplastic particles per liter, with pellet forms and particles under 100 micrometers predominating. Storage under direct sunlight for extended periods increased microplastic concentrations by 2.5%, and the estimated daily intake was higher for children than adults due to relative body weight differences.

Abstract The microplastic particles (MPs) and effects of storage time and direct sunlight on the MPs in bottled mineral waters were investigated by three experiments conditions. The mean MPs concentration was 63.9 ± 38.9 MPs/L. Pellet forms, white/yellow colour and sizes < 100 μm were predominant MPs, accounted for 35.3%, 51% and 60.2% of the total MPs, respectively. Storage of bottled water under darkness and sunlight caused an increase of 1.5% and 2.5% of MPs pollution, respectively. Also, the estimated daily intake (EDI) of MPs was 2.1, 6.4 and 9.6 MPs/kg BW.day for adults, children and infants, respectively. It is concluded that high storage time and direct sunlight may lead to a greater MPs pollution in mineral water and also high human intake through drinking bottled water. Therefore, it is suggested to reduce the expiry date of the bottled mineral water and avoid sunlight contact before consumption.

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