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Green tea has become one of the most popular beverages in the world. Knowing the benefits of green tea has made green tea more well-known than before. In fact, most experts agree that green tea can be consumed to achieve health benefits. Tea benefits are attributed to presence of polyphenols, which are considered to be excellent antioxidants. These polyphenols present in green tea are categorized as catechins, in which epigallocatechin gallate or EGCG, the most active and the most studied polyphenol present in green tea, is one of them. So what are the benefits of green tea? Perhaps the most popular health benefit of green tea is its tendency to reduce the risk of cancer, since the antioxidants in green tea inhibit the growth and proliferation of free radicals that may cause cancer. This tea benefit has been tested by various studies on different types of cancer. In studies involving breast and ovarian cancer, people with these cancers who drank green tea are more likely to survive longer. Meanwhile, people who drank significant amounts of green tea are less likely to develop other cancers such as pancreatic cancer, skin cancer, stomach cancer, and bladder cancer compared to non-green-tea drinkers. However, the effect of green tea in reducing the risk of esophageal, colorectal, and lung cancer is quite controversial. Some studies claimed that drinking green tea may help in reducing the risk of these cancers, while there are other studies that green tea may actually increase the risk of getting cancer. Meanwhile, some experts advised that drinking green or black tea should not be done if the patient is undergoing chemotherapy for prostate cancer, although there are studies drinking green tea may also help in reducing the risk for prostate cancer. Preventing heart disease is also said to be one of green tea benefits. This may also be due to the action of antioxidants in eradicating free radicals, just as mentioned earlier. The roles of antioxidants in helping the blood vessels to be less prone to clogging may also contribute to prevention of heart disease. In relation to this, one of the benefits of green tea is that it also aids in fat loss because the polyphenols, especially EGCG, help in converting body fat into energy. However, experts still advised the public that green tea should only serve as a supplement and considered exercise to be the best intervention to prevent cardiovascular disease. Other tea benefits include boosting the immune system, reduction of acne, prevention of tooth decay, and prevention of Parkinson’s disease and Alzheimer’s disease. Slowing down the aging process associated with proliferation of free radicals is also one of the benefits of green tea.
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Ljudi već stoljećima uživaju u zelenom čaju. Iako je odavno poznato da koristi zdravstvenom statusu, znanstvenici su tek u nekoliko zadnjih godina počeli dokazivati te tvrdnje. Ako želite poboljšati svoje zdravlje to možete učiniti ispijanjem zelenog čaja. Ta vrsta čaja ima mnoge zdravstvene prednosti, a izdvojit ćemo one najvažnije. Smanjuje rizik od hipertenzije – studija objavljena u časopisu Archives of Internal Medicine pokazala je da redovita konzumacija zelenog čaja snižava krvni tlak. U tom istraživanju, sudionici koji su pili najmanje 120 mililitara zelenog čaja dnevno smanjili su rizik za dobivanje visokog krvnog tlaka za 46%. Oni koji su konzumirali više od 600 mililitara dnevno smanjili su taj rizik za čak 65%. Snižava kolesterol – studija o tome objavljena je u časopisu American Journal of Clinical Nutrition. Naime, ona je dokazala da zeleni čaj uzrokuje značajno smanjenje ukupne razine kolesterola u krvi, pogotovo onoga štetnoga koji može dovesti do bolesti srca. Studija je također pokazala da zeleni čaj ne utječe na razinu LDL ili „dobrog“ kolesterola. Smanjuje rizik od srčanog udara i raka – znanstvenici su proučavali odnos između ispijanja zelenog čaja i srčanog udara te nekih vrsta raka. Utvrđeno je da zeleni čaj značajno smanjuje rizik od tih teških zdravstvenih tegoba. Naime, sadrži polifenole i druge tvari koje pomažu organizmu u prevenciji srčanog udara i raka. Dobar je za gubitak težine – pijenje zelenog čaja može pomoći ljudima koji žele izgubiti na težini. Znanstvenici su utvrdili da katehini koji se nalaze u zelenom čaju mogu pomoći tijelu u sagorjevanju masti. Ako uz ovaj čaj konzumirate neki od kofeinskih proizvoda, to će poboljšati mršavljenje. Uz to, zeleni čaj čisti tijelo od toksina i drugih štetnih tvari. Pijte najmanje jednu šalicu zelenog čaja svakoga dana i upoznat ćete sve zdravstvene prednosti ove biljke. Što više pijete, bolje ćete se osjećati.