Green tea is made from the leaves of Camellia sinensis that have undergone minimal oxidation during processing. It is originated in China, but has become associated throughout Asia. It has recently become more widespread in the West, where black tea has been the traditionally consumed tea. Now-a-days it has become the raw material for extracts which are used in various beverages, health foods, dietary supplements and cosmetic items. Several varieties of Green tea are created, which is mainly depend on the variable growing conditions, horticulture, production processing and harvesting time. It is loaded with polyphenols like flavonoids and catechins, which function as powerful antioxidants.
Green tea contains various vitamins like A, D, E, C, B, B5, H and K. It is a rich source of Manganese and has many other beneficial minerals as Zinc, Chromium and Selenium. The most important active component in green tea epigallocatechin-3-gallate (EGCG) is many times a more powerful antioxidant than vitamin C or vitamin E. It contains caffeine, but the caffeine content of green tea is very low compared to other sources of caffeine. 240 ml of Green tea contains 80 Calories, 0% Fat, 20 Sodium (mg), 21 Total Carbs (g), 21 Sugars (g).
Green Tea Benefits In Women
23% lower risk of dying from any cause
31% lower risk of dying from Cardiovascular Disease (CVD)
62% lower risk of dying from stroke
Green Tea Benefits In Men
12% lower risk of dying from any cause
22% lower risk of dying from Cardiovascular Disease (CVD)
42% lower risk of dying from stroke
1. Green tea helps to kill bacteria that cause tooth decay, bad breath and gum disease.
2. Green tea is helpful in suppressing the breakdown of bone and also aids in bone building cells.
3. To increase body’s metabolic rate, green tea is very much essential.
4. Consumption of Green tea lowers the risk of heart diseases.
5. Regular consumption of green tea is effective to reduce the risk of high blood pressure.
6. Green tea helps to regulate glucose levels in the body and reduces the risk of diabetes.
7. Green tea provides relief from depression and relaxes mind.
8. Green tea helps to keep off skin from aging and wrinkles.
9. Green tea protects the cells and molecules from damage.
10. Green Tea increases fat burning, improves physical performance and also reduces weight.
Reduces the risk of Heart Attack
Drinking green tea rapidly improves the health of body cells lining the blood vessels and also helps in lowering one’s risk for heart disease. The flavonoids present in this tea protect the heart by relaxing the blood vessels so that blood can flow more easily. Even after the heart attack, it prevents cell deaths and speeds up the recovery of heart cells. So, having green tea on a regular basis will protect the heart from diseases.
Improve Brain Functioning
The Caffeine in Green tea, has been consistently leads to improvements in various aspects of brain functions including improved mood, vigilance, reaction time and memory. It contains less caffeine than coffee, but enough to produce good results. It also contains the amino acid L-theanine, which can work synergistically with caffeine to improve brain function.
Cancer is caused by uncontrolled growth of cells. It is one of the world’s leading causes of death. It is well known that oxidative damage contributes to the development of cancer. Numerous researches has demonstrated that the antioxidants in tea helps protect against numerous cancers like breast, colon, colorectal, skin, lung, esophagus, stomach, small intestine, pancreas, liver, ovarian, prostate and oral cancers. The catechins found in tea prevent cell mutation, deactivate certain carcinogens and reduce the formation and growth of tumors.
Drinking as many as four cups a day may be necessary to reap the anti-cancer benefits. It also can reduce the risk of esophageal cancer, that kill cancer cells without damaging the healthy tissue around them. Green tea extract is reported to induce cancer cell death and starve tumours by curbing the growth of new blood vessels that feed them. The antioxidant in green tea is 100 times more effective than vitamin C and 24 times better than vitamin E.
Breast cancer : A meta-analysis of observational studies found that, who drank much green tea had 22% lower risk of developing breast cancer, the most common cancer in women.
Prostate cancer : One study found that men drinking green tea had a 48% lower risk of developing prostate cancer, which is the most common cancer in men.
Colorectal cancer : A study of 69,710 Chinese women found that green tea drinkers had a 57% lower risk of colorectal cancer.
Over the last few decades green tea has been subjected to many scientific and medical studies to determine the extent of its long-purported health benefits, with some evidence suggesting that regular green tea drinkers may have a lower risk of developing heart disease and certain types of cancer. Research shows it may be helpful against lung cancer. In the September 2012 Oncology Letters, EGCG present in green tea prevents and inhibits colorectal cancers. According to a study in Cancer Science indicated that it also aids the body by killing prostate cancer cells.
More than 50 epidemiologic studies of the association between tea consumption and cancer risk have been published since 2006. The results of these studies have often been inconsistent, but some have linked tea consumption to reduced risks of cancers of the colon, breast, ovary, prostate and lung. A newer study on prostate cancer, presented that to drink lots of brewed green tea but not the extract.
The United Kingdom Tea Council recommends drinking not more than 6 cups of tea a day. For the best health benefits 3 to 4 cups is recommended.
If the green tea is taken on an empty stomach in the morning, one may experience nausea and an upset stomach. For some people green tea reduce absorption of iron from the intestines. This can lead to iron deficiency anemia. Though green tea has lower caffeine content, excessive consumption can lead to restlessness, palpitations, difficulty in sleeping, anxiety, irritability, increased heart rate and elevated blood pressure.