冬饮红茶6大健康益处

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 与普通绿茶含茶多酚 鞣质易刺激胃不同 它既不伤胃还 养胃益胃 还是预防多种常见疾病的保健佳品 尤其适宜冬季寒冷天气饮用 近年研究证明 常饮红茶可以有效防治以下疾病 减少中风和心脏病发病率 研究表明 红茶含丰富的类黄酮化合物和钾元素 前者具有很强的抗氧化作用 而钾 对心脏有益 能防止中风和心脏病 科学家对红茶预防中风作用作过观察 以 552 名年龄 在 50 69 岁的男子为试验对象 将受试者分为两组 一组平均每天饮红茶不到 2 5 杯 另 一组每人每天喝红茶 5 杯 结果表明 从红茶中摄取类黄酮越多者 喝红茶越多者 中风 的危险性越小 每天饮红茶达 5 杯的人 其中风发病危险较不饮红茶者降低了 69 能降低有害胆固醇 科学家们通过为期 6 周的研究发现 每天要喝 5 杯红茶的人 与那些喝看似像茶水的 有色饮料的人相比 前者体内的低密度脂蛋白都有不同程度降低 下降 7 11 低密度 脂蛋白被称为 坏胆固醇 它会增加患心脏病的危险 由于事先对受试者饮食结构都进行 了控制 所以专家认为饮红茶起到了降胆固醇作用 另一项研究也表明 每天喝一杯红茶 的人与不喝茶的人相比 前者罹患心脏病的风险也要比后者低 40 以上 预防骨质疏松 红茶除含多种水溶性维生素外 还富含微量元素钾 冲泡后 70 的钾可溶于茶水内 研究表明 钾不仅有增强心脏血液循环的作用 还能阻止或减少钙在体内的消耗 另外 红茶中所含的锰也是骨结构不可缺少的元素之一 所以 经常喝红茶对骨质构建和预防钙 丢失有益处 有助预防骨质疏松症 对防治流感有效 科学家发现 红茶中含有的某种物质能有效杀死流感病毒 常用红茶漱口或直接饮用 有预防流感的作用 研究人员用比通常还淡薄 4 倍的红茶液在病毒感染区浸泡仅数秒钟 就发现该处病毒会失去感染力 有关专家认为 平时用红茶漱口或多喝红茶 可有效杀死 病毒 防止流感侵害人体 能益胃防溃疡 红茶经发酵后 茶多酚在氧化酶的作用下发生酶促氧化反应 含量减少 不仅对胃部 的刺激性减小 而且这些茶多酚的氧化产物还能够促进人体消化 饮红茶不仅不会伤胃 反而能够养胃 如果常饮加糖或加牛奶的红茶 还能消炎 保护胃黏膜 对防治溃疡也有 一定效果 注意 红茶每次宜放 3 5 克 一定要热饮才有益胃效果 红茶最好现泡现饮 茶水如放置时间过长 其营养和口感都会降低 降低皮肤癌发病率 科学家认为 喝茶能够有效地减少人们患皮肤癌的机会 科研人员在实验室用白鼠做 试验证明 当暴露在过量的紫外线当中时 喝过红茶的老鼠患癌症或受皮肤损伤的比例要 比单纯喝水的老鼠低 54 并且还发现 饮红茶比那些饮用绿茶的老鼠皮肤癌的发病率也 要低得多 这也是首次证实了在预防皮肤癌方面 红茶比绿茶有更强的防癌效果 Black Tea is fermented to make but become fermented tea red oxide in enzymefunction become Black Tea Black Tea character gentle mellow taste and common Green Tea containing tea polyphenol tannin easy to stimulate the stomach it does not hurt the stomach also nourishes Yiwei or prevent many common diseases of health care especially suitable for cold winter weatherdrinking Recent studies have demonstrated that often drink Black Tea can effectively control the disease Reduced rates of heart disease and stroke incidence Research shows that Black Tea containing flavonoids and potassium rich the former has strong antioxidant effect while the potassium is good for the heart can prevent heart disease and stroke The scientists looked for Black Tea stroke prevention effect in 552 at the age of 50 69 years old man as the test object The subjects were divided into two groups one group of average daily drink Black Tealess than 2 5 cup another group of per person per day to drink 5 cups of Black Tea The results show that from the flavonoid intake more in Black Tea drinkBlack Tea more the risk of stroke is small The daily drink Black Tea reached 5cup which the wind risk less drink Black Tea were reduced by 69 Can reduce harmful cholesterol The scientists through a 6 week study found that the need to drink 5 glasses ofBlack Tea people every day and those who drink that looks like the tea colored drinks compared to the people low density lipoprotein and the former body were decreased by 7 11 Low density lipoprotein called bad cholesterol it willincrease the risk of heart disease Because prior to the subjects of the control diet so experts believe that drinking Black Tea played a cholesterol lowering effect Another study showed that people drink a cup of Black Tea every day compared with non drinkers the former risk of developing heart disease is lower than the latter 40 Prevention of osteoporosis Black Tea in addition to containing water soluble vitamins but also rich in trace elements K after brewing tea in 70 potassium soluble Research shows that not only enhance the effect of potassium heart blood circulation can prevent or reducethe consumption of calcium in the body In addition one of the Black Tea containedin manganese is an indispensable element in bone structure So often drink Black Tea on bone structure and prevent calcium loss of benefits to help in the prevention of osteoporosis Effective prevention and treatment of influenza The scientists found that a substance contained in the Black Tea can effectively kill the flu virus commonly used Black Tea mouthwash or direct drinking haspreventive action The researchers used than usually weak Black Tea liquid 4 timesin virus infected area for only a few seconds I found the virus will lose appeal Concerned expert thinks usually with Black Tea mouthwash or drinking Black Tea can effectively kill the virus prevent flu attack human beings Can benefit stomach anti ulcer Black Tea fermented tea polyphenol oxidase in under the action of enzymaticoxidation decreased not irritating to the stomach decreases and the oxidation products of these tea polyphenols can also promote digestion Drink Black Tea not only won t hurt a stomach but can yangwei If you often drink with sugar or milkBlack Tea anti inflammatory can protect the gastric mucosa also have certain effect on the prevention and treatment of ulcer Note Black Tea every time should be 3 5 grams must be hot is good for the stomach effect Black Tea best bubbletea we drink if stored for a long time the nutrition and taste will reduce Reduce the incidence of skin cancer Scientists think tea can effectively reduce the chance of skin cancer Researchersin the laboratory mouse experiments prove that when exposed to excess ultraviolet radiation when had Black Tea mouse cancer or s