家庭护士科学研究表明,在潮湿的环境中茶水会迅速氧化出褐色茶锈,其中含有镉、铅、汞、砷等多种有害金属。而没有喝完或存放较长时间的茶水,由于暴露在空气中,茶叶中的茶多酚与茶锈中的金属物质在空气中发生氧化作用,便会生成茶垢,并附在茶具内壁,而且越积越厚。有人曾对茶垢进 Scientific research by home nurses shows that tea leaves rapidly oxidize brown tea rust in humid environments, and contain many harmful metals such as cadmium, lead, mercury and arsenic. Without drinking or storing tea for a long time, due to exposure to the air, the tea polyphenols and tea rust in the metal substances in the air oxidation occurs, it will generate tea scale, and attached to the tea wall, And thicker and thicker. Some people have to tea into the scale