饮茶以饮新绿茶为最佳选择,不仅芳香味好,而且营养价值完全。红茶为绿茶发酵氧化后制得,游离咖啡碱含量较高,兴奋提神作用强,但茶多酚、维生素C、维生素A等物质大部分被破坏,营养价值较低,某些保健作用也相对降低。在饮茶方法上宜泡不宜煮,当 Drinking tea to drink new green tea for the best choice, not only the aroma is good, but nutritional value is complete. Black tea is made from fermented and oxidized green tea. The content of free caffeine is high, and the excitement and refreshing effect are strong. However, most of the substances such as tea polyphenols, vitamin C and vitamin A are destroyed, the nutritional value is low, and some health effects are also relatively reduced. In the method of tea should not be boiled, when