Tea leaves can remove heavy metals such as lead, cadmium and chromium from water. And steeping time has the biggest impact.

Scientists have discovered that tea leaves don’t just make a soothing drink — they can also absorb harmful heavy metals from ...

That comforting hot cup of tea—or refreshing glass of iced tea on a hot summer day—could help reduce the amount of toxic metals in drinking water, according to a new paper published in the journal ACS ...

A new study conducted by researchers from Northwestern University could have more consumers increasing their tea habit. The ...

Brewing tea may naturally adsorb heavy metals ... Finely ground leaves, especially those of black tea, adsorbed more contaminants than whole leaves. “When tea leaves are processed into black ...

Once the brewing period was over ... A scanning electron microscope image of a dried black tea leaf, showing its extensive surface area The cotton and nylon tea bags had little effect one way ...

Researchers at Northwestern University estimate tea preparation can reduce about 15 per cent of toxic metals from drinking ...

tea bags and brewing methods affect heavy metal adsorption. The varieties tested included “true” teas - such as black, green, oolong and white - as well as chamomile and rooibos teas.

Researchers tested different types of tea, tea bags and brewing methods. Finely ground black tea leaves performed best at removing toxic heavy metals. Longer steeping times helped tea remove ...

A study by Northwestern University reveals that tea can filter out heavy metals like lead, cadmium, and chromium from water. Brewing black tea for fiv ...

Black tea, which is wilted and fully oxidized, exhibits a wrinkled and surface, potentially increasing the available surface area for adsorption. Good news for tea lovers: That daily brew might be ...