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铁观音纯雅礼和
铁观音纯雅礼和


乌龙茶色香韵味
‍‍乌龙茶色香韵味
News Detail

茶叶功效

  1
Issuing time:2022-02-28 12:05

安溪铁观音茶能减低心脑血管发病和死亡风险




最新的一项研究报道,日本研究者从1994年起对某地4万多名40岁至79岁中老年人进行跟踪调查发现,与一天喝茶不到1杯的人相比,每天喝5杯以上绿茶的男性因脑血管病死亡的平均风险下降了22%,女性下降了31%,其中脑梗塞下降最明显,男性下降42%,女性下降达62%。




据英国《每日邮报》报道,一项最新研究发现,每天喝茶3杯,可降低患心肌梗死风险70%。芬兰和法国也有研究报告显示,每天喝茶2~3杯,可降低中风的发病风险。




茶有降低胆固醇和血压的作用




香港大学研究人员发现,喝茶可使血总胆固醇水平下降25%。还有一项研究喝茶与高血压发病关系的调查发现,不喝茶的人高血压的发病率为10.55%,常喝茶的人为6.95%,茶的确有一定的降压作用。




茶有助于防治早老性痴呆




茶对大脑细胞有保护作用,茶能有效延缓大脑退化,有助于维持大脑血管的健康。最新研究表明,多喝茶可改善记忆力和防止早老性痴呆。





茶有抗压力和抗焦虑作用




现代生活工作节奏快、压力大,常引起焦虑、紧张、烦躁不安、抑郁等精神心理症状。绿茶含有茶氨酸,它是一种无镇静作用的松弛剂,可以帮助大脑增加产生γ波,γ波可帮助控制焦虑情绪,提高注意力,改善精神状态和总体机能,一般3-4杯绿茶能含有100-200毫克的茶氨酸,这使得绿茶在抗压力和抗焦虑方面有较好的功效。




茶能提高免疫力




如果最近爆发流感,那你就多喝点茶吧,哈佛大学研究人员研究指出,连续2周每天喝5杯茶的人,其体内会产生大量的抗病毒干扰素,其含量是不喝茶人的10倍,这种可以抵抗感染的蛋白可以提高人体免疫力并有效帮助人体抵御流感。




茶的其他保健作用




茶还能消除疲劳、提神、明目、消食、利尿解毒、防止龋齿、消除口臭,茶还是碱性饮料,有利于酸性体质的纠正……茶不愧为21世纪最健康的饮料。




茶对人类健康有着重要的贡献已是不争的事实,19世纪前却没有人能明确告诉我们茶为什么有这么多的功能。从上个世纪60、70年代开始,茶这个古老而神奇的领域迎来了自然科学的探秘,大量科学技术对茶叶中内含物质进行研究分析,从而为我们打开这扇神奇的大门。



由图可见,茶叶中含水分75%,这也就是“4斤叶1斤茶”的科学依据。而茶叶中的水溶性物质为30%-48%,其主要化学成分包括茶多酚类、生物碱类、氨基酸类、糖类、有机酸等,它们构成了茶叶的品质和滋味。

Tea can reduce the risk of cardiovascular and cerebrovascular disease and death




A recent study reported that Japanese researchers have tracked more than 40,000 middle-aged and elderly people aged 40 to 79 in a certain place since 1994 and found that compared with people who drink less than 1 cup of tea a day, they drink 5 cups of tea a day. The average risk of death from cerebrovascular disease decreased by 22% for men and 31% for women who consumed more than one cup of green tea, with the most significant decrease in cerebral infarction, 42% for men and 62% for women.




According to the British "Daily Mail" report, a new study found that drinking 3 cups of tea a day can reduce the risk of myocardial infarction by 70%. Studies in Finland and France also show that drinking 2 to 3 cups of tea a day can reduce the risk of stroke.




Tea can lower cholesterol and blood pressure




Researchers at the University of Hong Kong found that drinking tea can reduce total blood cholesterol levels by 25%. Another investigation on the relationship between tea drinking and hypertension found that the incidence of hypertension was 10.55% for people who did not drink tea, and 6.95% for people who often drink tea. Tea does have a certain antihypertensive effect.




Tea Helps Prevent Alzheimer's




Tea has a protective effect on brain cells. Tea can effectively delay brain degeneration and help maintain the health of brain blood vessels. The latest research shows that drinking more tea can improve memory and prevent Alzheimer's disease.





Tea has anti-stress and anti-anxiety effects




Modern life and work are fast-paced and stressful, often causing anxiety, tension, irritability, depression and other mental and psychological symptoms. Green tea contains theanine, which is a non-sedative relaxant that can help the brain increase the production of gamma waves, which can help control anxiety, improve concentration, improve mental state and general function, generally 3-4 cups of green tea It can contain 100-200 mg of theanine, which makes green tea have a good effect on anti-stress and anti-anxiety.




Tea can boost immunity




If there is a recent outbreak of influenza, then you should drink more tea. Harvard researchers have pointed out that people who drink 5 cups of tea a day for 2 consecutive weeks will produce a large amount of antiviral interferon in their bodies, the content of which is the same as that of people who do not drink tea. 10 times higher, this infection-fighting protein can boost the body's immunity and effectively help the body fight off the flu.




Other health benefits of tea




Tea can also eliminate fatigue, refresh, improve eyesight, digestion, diuresis and detoxification, prevent tooth decay, and eliminate bad breath. Tea is also an alkaline drink, which is conducive to the correction of acidic constitution... Tea is worthy of being the healthiest drink in the 21st century.




It is an indisputable fact that tea has an important contribution to human health. Before the 19th century, no one could clearly tell us why tea had so many functions. Since the 1960s and 1970s, the ancient and magical field of tea has ushered in the exploration of natural science, and a large number of scientific and technological studies have been carried out on the substances contained in tea, thus opening this magical door for us.



It can be seen from the picture that the water content of tea leaves is 75%, which is the scientific basis for "4 jins of leaves 1 jins of tea". The water-soluble substances in tea are 30%-48%, and its main chemical components include tea polyphenols, alkaloids, amino acids, sugars, organic acids, etc., which constitute the quality and taste of tea.


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