Brewing tea can act as filter against potentially harmful heavy metals in drinking water, a new study has found.
ADVERTISEMENTThe potential health benefits of tea have been widely reported but scientists have discovered another one to add to the list.
Tea leaves would act as a filter removing potentially harmful heavy metals like lead from water, according to a new study.
Researchers from the United States tested different varieties of tea – green, black, oolong, white, chamomile, and rooibos – under typical brewing conditions with water containing known amounts of lead and other metals (chromium, copper, zinc, and cadmium).
Exposure to lead can lead to chronic health problems, with high doses causing brain and kidney damage in the most severe cases.
After brewing at 85 degrees Celsius, they evaluated how…