茶壶茶杯长期使用,就会在内壁上形成一层棕红色的锈斑,用普通的方法很难清除,这就是我们常说的茶锈。茶锈的形成与茶叶的成分有很大关系。茶叶的成分比较复杂,仅能溶于水的就有几十种,如挥发油、咖啡碱、叶绿素、茶黄素、维生素和多种无机盐等,而产生茶锈的主要是一种叫鞣(rou)质的化学成分。 Long-term use of teapot tea cups will form a layer of brownish red rust on the inner wall, which is difficult to remove by ordinary methods. This is what we often call tea rust. The formation of tea rust has a lot to do with the composition of tea. The composition of tea is more complex, there are dozens of kinds of soluble in water, such as volatile oil, caffeine, chlorophyll, theaflavin, vitamins and many kinds of inorganic salts. The tea rust is mainly caused by ) The chemical composition of the substance.