The content of toxic metals in different types of tea and their impact on consumers health

• Authors: Sandra Watrak , Monika Rajkowska-Myśliwiec , Mikołaj Protasowicki
• Languages of publication: EN PL

Abstracts

EN

Tea is one of the most popular beverages in the world, which, along with a number of beneficial health ingredients, such as trace elements, also contains undesired substances - as impurities. Among the impurities occur heavy metals, and their presence in tea leaves can pose serious problems to human health because they are not biodegradable, remain in the environment and can become part of the food chain. The total metal content of the tea leaves and infusions depends on the type of tea (green, black) and on the influence of other factors, including the properties of the soil. Despite the limited extent of metal migration from the dried tea to infusions, tea pollution with metals such as lead, cadmium or mercury is not indifferent to human health.

PL

Herbata jest jednym z najbardziej popularnych napojów na świecie, który obok wielu korzystnych dla zdrowia składników, jak mikroelementy, zawiera również te niepożądane - stanowiące zanieczyszczenie. Wśród nich znajdują się metale ciężkie, których obecność w liściach herbaty może stwarzać poważne problemy dla zdrowia ludzkiego, ponieważ nie ulegają one biodegradacji, a pozostając w środowisku mogą stać się częścią łańcucha pokarmowego. Całkowita zawartość metali w liściach herbat oraz w naparach zależy od rodzaju herbaty (zielona, czarna) oraz od wpływu wielu innych czynników, w tym właściwości gleby. Pomimo ograniczonej migracji metali z suszu do naparów zanieczyszczenie herbat metalami tj. ołów, kadm czy rtęć nie jest obojętne dla zdrowia człowieka. REFERENCES

Keywords

EN

aluminium; cadmium; copper; human health; lead; manganese; mercury; tea

• Journal: Kosmos
• Year: 2016
• Volume: 65
• Issue: 4
• Pages: 563-571

Dates

published

2016

Contributors

author

Sandra Watrak

• Department of Toxicology, Faculty of Food Science and Fisheries, West Pomeranian University of Technology in Szczecin, Papieża Pawła VI 3, 71-459 Szczecin, Poland

author

Monika Rajkowska-Myśliwiec

• Department of Toxicology, Faculty of Food Science and Fisheries, West Pomeranian University of Technology in Szczecin, Papieża Pawła VI 3, 71-459 Szczecin, Poland

author

Mikołaj Protasowicki

• Department of Toxicology, Faculty of Food Science and Fisheries, West Pomeranian University of Technology in Szczecin, Papieża Pawła VI 3, 71-459 Szczecin, Poland

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