红茶是经过发酵烘制而成的,发酵时茶叶在氧化酶的作用下变成红色氧化物,成为红茶。红茶品性温和,味道醇厚,除含多种水溶性维生素外,还富含微量元素钾,当冲泡后70％的钾可溶于茶水内。钾有增强心脏血液循环的作用、并能减少钙在体内的消耗。因红茶中所含的锰是骨结构不可缺少的元素之一,因而喝红茶对骨骼强健也有益处。 近年来,国外有资料报道,经常饮红茶还有防治流感、中风及皮肤癌的效果。 日本昭和大学的岛村忠藤教授经研究发现:用红茶常漱口或直接饮用有预防流感的作用。研究表明,红茶中含有的某种物质能有效杀死流感病毒。研究入员用比通常还淡薄4倍 Black tea is made by baking fermentation, fermentation of tea in the role of oxidase into red oxide, a black tea. Black tea is mild in character and mellow in taste. In addition to a variety of water-soluble vitamins, it is also rich in trace elements potassium. When brewed, 70% of the potassium is soluble in the tea. Potassium enhances cardiac blood circulation and reduces calcium consumption in the body. Manganese contained in black tea is one of the indispensable elements of the bone structure, so drinking black tea is also beneficial to bones. In recent years, foreign information reports, there are often black tea and influenza control, stroke and skin cancer effects. Showa University, Japan Professor Hideo Shimamura found that: using black tea often gargle or drink directly to prevent the role of influenza. Research shows that some substances contained in black tea can effectively kill the flu virus. Study into the use of less than usual 4 times