A scrumptious beverage known as bubble tea may contain potential health risks in the tea’s tapioca pearls. However, the results were refuted by a consumer protection agency in a second study.
The University Hospital of Aachen in Germany found the tapioca starch to be carcinogenic in an August study. Researchers from the Institute of Hygiene and Environmental Medicine at the University Hospital detected polychlorinated biphenyls or PCBs such as styrene, acetophenone and brominate in the pearls. The bubble tea sampled was sold in an unnamed chain in northwest Germany, using bubbles from Taiwan. Continue reading