红茶和绿茶哪个更健康?

Tea is beloved by people all over the pared to 39–109 mg for the same serving of black tea.绿茶中的咖啡因含量比红茶要少，一杯8盎司（230毫升）的绿茶大约含有35毫克咖啡因，而同样的一杯红茶则含有39-109毫克咖啡因。Caffeine stimulates your nervous system by blocking the inhibitory neurotransmitter adenosine. It also aids the release of mood-enhancing neurotransmitters such as dopamine and serotonin.咖啡因通过阻断抑制性神经递质腺苷来刺激神经系统。它还有助于释放提升情绪的神经递质，如多巴胺和血清素。Now the difference.接下来说一下它们的区别。Green tea contains EGCG, an antioxidant which in test-tube and animal studies has been shown to fight cancer and bacterial cells and protect both your brain and liver.绿茶中含有EGCG（一种绿茶提取物），这是一种抗氧化剂，在试管和动物实验中被证明可以抵抗癌症和细菌细胞，保护大脑和肝脏。But black tea contains beneficial theaflavins. Theaflavins are a group of polyphenols that are unique to black tea. Theaflavins are unique to black tea. Through their antioxidant effects, they may improve blood vessel function and support fat loss.而红茶则含有有益的茶黄素。茶黄素是一种多酚类物质，是红茶所特有的。通过抗氧化作用，它们可以改善血管功能，并促进减脂。So green and black tea have similar health benefits, including for your heart and brain. Their antioxidant profiles differ, but while green tea may have more powerful antioxidants, scientific evidence does not strongly favor one tea over the other.所以绿茶和红茶对心脏和大脑有相似的健康效益。它们的抗氧化特性不同，尽管绿茶可能含有更强的抗氧化剂，但并没有科学证据表明某种茶远胜于另一种茶。