Determination of the Microplastic Particle Release by Tea Bags During Brewing
https://doi.org/10.36107/hfb.2021.i3.s113
Abstract
The presence of microscopic particles of plastic (MP) in food is currently an urgent problem in the modern food industry and one of the main issues of food safety. However, there are no clear methods for the determination of such particles, nor methods for cleaning food products from them. In the present work, for the first time, the method of Dynamic Laser Light Scattering (DLS) was used to determine the plastic nanoparticles from tea bags when they were boiled in boiling water. It has been established that some of the studied samples of sachets release a huge amount of such nanoparticles into water. Moreover, hundreds of millions of nanoparticles are released per one microscopic particle. Pyramidal tea bags release a huge amount of nanoparticles with a diameter of 1 to 2 nm. The number of nanoparticles released during thermal action on pyramidal tea bags is at least 23 times greater than the number of the
About the Authors
Kirill N. Kornilov
Moscow State University of Food Production
Russian Federation
Russian Federation
Nataliya N. Roeva
Moscow State University of Food Production
Russian Federation
Russian Federation
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For citations:
Kornilov K.N., Roeva N.N. Determination of the Microplastic Particle Release by Tea Bags During Brewing. Health, Food & Biotechnology. 2021;3(3). (In Russ.) https://doi.org/10.36107/hfb.2021.i3.s113
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