Herbal teas like chamomile, which aren’t made from actual tea leaves, were also less effective. Steeping black tea for five ...

Researchers found that compounds in black and green tea leaves acted like “little Velcro” hooks on lead molecules. By Alexander Nazaryan Tea leaves pull heavy metals from water, significantly ...

Scanning electron microscope image of black tea leaves, magnified by 300 times. Black tea, which is wilted and fully oxidized, exhibits a wrinkled and surface, potentially increasing the available ...

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 or the other, but such was definitely not ...

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 ...