Tea has been cultivated for many centuries in China and India, making it the most consumed drink after water. Hundreds of millions of people consume tea and recent studies show that green tea has the most benefits for our health.
What is the green tea?
Green tea is a very popular beverage in many countries and is obtained from not fermented leaves of Camellia Sinensis (tea plant). Although green tea has been associated with beneficial effects on the body for centuries, only the last years have been proven curative properties. Most beneficial effects of green tea are due to polyphenols, which are some very powerful antioxidants.
Because it is not fermented, green tea contains the largest amount of polyphenols among the tea varieties produced from Camellia Sinensis (black tea, oolong tea, white tea) and the smallest amount of caffeine.
Green tea is the best source of catechins, stronger than vitamin C and E in combating the effects of oxidative stress and other properties. Green tea also contains alkaloids such as theobromine, theophylline and caffeine, which are substances that stimulate the nervous system.
Benefits of green tea
Green tea and cholesterol
A very important and publicized effect of green tea is to lower bad cholesterol levels while increasing HDL (good) cholesterol.
Recent studies in Japan have shown that people who drink more than five cups of green tea daily have a lower risk of death because of cardiac arrest by 26% than those who consume less than a cup per day.
Consuming green tea also reduces the risk of cardiovascular disease, including hypertension.
A study in China showed that moderate consumption of green tea and oolong tea causes a reduction in the risk of high blood pressure by 46% to 65% compared to people who do not consume these types of tea.
During another study, it turned out that green tea active ingredients lowered LDL cholesterol by about 16%. The study was conducted on 240 people who received daily capsules containing 375 mg of black and green tea extract for 12 weeks. Compared to the effects of statins, the results of the green tea extract seem low, but they are comparable to other substances used to lower cholesterol (non-statins).
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