茶,是中国人发明的一种饮料,与中国文化同具有悠久的历史。自古民间就有“开门七件事,柴米油盐酱醋茶”之说,文人雅士还将喝茶冠以“品茶”之美称。现代科学研究表明,茶叶中含有大量的维生素C、咖啡碱、叶酸、鞣酸、茶多酚、氟离子、钙离子和黄酮等 Tea, a beverage invented by Chinese, has a long history with Chinese culture. Since ancient times, people have “seven things to open the door, Chamoyuyancu vinegar tea,” said the literati will drink tea with “tea” reputation. Modern scientific research shows that tea contains large amounts of vitamin C, caffeine, folic acid, tannic acid, tea polyphenols, fluoride, calcium and flavonoids