Rooibos is being heavily hyped by producers and distributors as a new health beverage. Unlike true “tea,” it is caffeine-free and low in tannins. It contains minimal amounts of calcium, potassium, iron, zinc, magnesium and much less fluoride than found in real teas. Studies have shown that Rooibos does contain antioxidants and therefore might have some of the health benefits of green tea, but very little research has confirmed this. I found only 17 scientific studies of Rooibos compared to more than 1,000 on green tea. So far, none suggest that Rooibos is the health equivalent of green tea.
Research also shows that green tea lowers total cholesterol, improving the overall cholesterol profile. One population-based clinical study found that men who drink green tea are more likely to have lower total cholesterol than those who do not drink green tea. Other clinical studies that look at populations of people indicate that the antioxidant properties of green tea may help prevent atherosclerosis, particularly coronary artery disease. The benefits also seem to extend to preventing stroke, reducing high blood pressure, and inhibiting the formation of blood clots. Much of the effect may also be due to the ability of green tea to help lower blood sugar and insulin levels.

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Matcha, the focal point of the Japanese Tea Ceremony, is a fine powder made by grinding green tea leaves. Only the finest, young, shade-grown gyokuro tea leaves are used to create matcha. The leaves are plucked and laid out flat to dry. Veins are removed and the leaves, now called tencha, are carefully ground in granite mills until they become the precious powder. Easy preparation is achieved by placing 1 teaspoon of matcha per cup (or to taste) in a cup, adding a few drops of hot water (160-180F) and stirring with a spoon until a paste forms. Add the rest of the water and stir.

In fact, there is no hard evidence backing the claims made by tea companies that their detox teas actually purify human cells. However, high-quality teas can help support the body’s natural daily process of detoxification—just as much as other foods and drinks can hurt this system, says Laura Lagano, R.D., a New Jersey-based holistic nutritionist. (Discover more about the health benefits of teas such as chamomile, rosehip, or black tea.)
Based in Las Vegas, Susan Paretts has been writing since 1998. She writes about many subjects including pets, finances, crafts, food, home improvement, shopping and going green. Her articles, short stories and reviews have appeared on City National Bank's website and on The Noseprint. Paretts holds a Master of Professional Writing from the University of Southern California.
Green tea leaves are initially processed by soaking in an alcohol solution, which may be further concentrated to various levels; byproducts of the process are also packaged and used. Extracts may be sold in liquid, powder, capsule, or tablet form.[4] Decaffeinated versions are also available.[9] Green tea extract supplements are accessible over the counter in various forms.[10]
Since some of the bioactive compounds in green tea are anti-viral and anti-bacterial, in much the same way as green tea can kill bacteria in your mouth, it can also inhibit bacteria and viruses in your bloodstream and throughout the rest of your body. Similarly, green tea may inhibit viral and bacterial infection via your nasal passages. All this means that green tea may help prevent colds and the flu, and furthermore seems to be able to alleviate the symptoms of colds and the flu once you are sick.
If you do choose to try a tea detox, the most important aspect isn't the kind of healthy tea you choose—it’s what else you eat: “Tea can only be medicinal and detoxifying if your diet isn’t taxing your system, which most American meals are guilty of,” says Lagano. In order to truly detoxify your body, cut processed and fried foods, and up your intake of fruits, vegetables, whole grains, lean proteins, and anti-inflammatory fats like avocados and almonds, says Villacorta. Once your diet is clean and gentle on your body, detoxifying teas can begin to enhance your natural organ function.
Several population-based clinical studies have shown that both green and black teas may help protect against cancer. Early clinical studies suggest that the polyphenols in tea, especially green tea, may play an important role in the prevention of cancer. Researchers also believe that polyphenols help kill cancerous cells and stop them from growing.
It is a natural, organic green tea which has been the heart of the famous Japanese tea ceremony for over 900 years. The Buddhist monks honored matcha tea as the ‘health elixir’ for its potential to heighten the concentration and enhance metabolism. Originating in China in the 9th century, this was used as a drug for curing various ailments. However, its word somehow got elapsed in China. It was only after the Zen Buddhist monks from Japan realized its true potential at the end of the twelfth century, the perfection in the cultivation of these leaves picked up. Matcha is still scarcely grown accounting for just 0.6% of total tea yield.

Matcha tea has antioxidants such as catechins – EGCG (epigallocatechin gallate), which detoxifies the body. A research study assessing the antioxidant power of this tea has revealed that as compared to other green teas matcha has the highest amount of EGCG. These antioxidants seek out for the oxygen free radicals and neutralize their harmful effects. Thus, protecting the body from the occurrence of disorders or inflammations associated with the oxidative stress.


According to the National Cancer Institute, the polyphenols in tea have been shown to decrease tumor growth in both animal and laboratory studies. Researchers believe that it is the high level of polyphenols in tea that help kill cancerous cells and stop them from growing, although the exact mechanism by which tea inhibits and prevents cancerous cells is uncertain.
Green tea, however, is considered to have originated in China. It is said that even today the word “tea” in China refers only to green tea, not to the general category of tea as it does in the West. China’s Yunnan province is considered to be the original home of the Camellia sinensis plant species. In fact, 260 of the world’s 380+ varieties of tea can be found in Yunnan.
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