茶叶,是世界性饮料,在世界三大饮料——茶叶、咖啡、可可之中,茶叶最受欢迎,喝茶的人也最多。因此,茶叶对喝茶人的健康有什么影响,当然受到了人们的重视。利用现代医学技术,已弄清楚了茶叶对人身体生理和药理的作用。茶叶的成分十分丰富,最主要的几类是:生物碱——茶碱、咖啡碱、可可碱;维生素类——胡萝 Tea is the world’s beverage. Among the three major beverages in the world - tea, coffee and cocoa, tea is the most popular and most people drink tea. Therefore, tea on the health of tea people have any effect, of course, has been the people’s attention. The use of modern medical technology has figured out the effect of tea on human physiology and pharmacology. The composition of tea is very rich, the most important types are: alkaloids - theophylline, caffeine, theobromine; vitamins - carrots