For centuries, people have searched for the proverbial fountain of youth, trying everything from exotic herbs to bizarre ...

Researchers from Northwestern University have found that tea leaves absorb certain harmful metals from water, such as lead and cadmium, preventing us from ingesting them. The researchers emphasize ...

A new study published in ACS Food Science & Technology, found that tea leaves naturally adsorb heavy metals, filtering out harmful water contaminants like lead, cadmium or arsenic. The metals ...

The authors then added tea leaves or bags and steeped them for various time periods, from seconds to 24 hours, before measuring how much of the metals remained in the water. “Nylon tea bags are ...

During brewing, heavy metals like lead and cadmium are absorbed by the tea leaves, keeping them from entering the water, according to researchers. The findings were published in the journal ACS ...

“We’re not suggesting that everyone starts using tea leaves as a water filter,” said co-author Vinayak Dravid, who studies sorbent materials at Northwestern University. “Our goal was to ...

Tea has long been among the most popular beverages in the world. People drink tea in the morning with breakfast, in between meals for an afternoon caffeine hit and to relax before bed. Most ...

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 ...

"When tea leaves are processed into black tea ... member of the Chemistry of Life Processes Institute and faculty affiliate of the Trienens Institute.