Green Tea Health Benefits

Green tea is produced from dry steam leaves of Camellia sinensis.It is originated from China. The Chinese people were aware of its medicinal values and it has  been used as a cure for headache from many decades. According to Memorial Solan-Kettering Cancer Centre epigallocatechin-3-gallateor EGCG constitutes 40% of the total polyphenol content of tea. Other primary catechins are gallaogatechin, epicatechin, epigallocatechin, epicatechin gallate, and apigallocatechin gallate.

Green tea is rich in flavonoids including catechins. According to mayaoclinic.com catechin abundant in green tea plays a very important role in anticancer and antioxidant properties. According to the study report of University of Maryland Medical Centre, people who drink green tea regularly has lower rates of breast, bladder, prostate, colon, oesophagal, lung, pancreatic, skin and stomach cancers. According to recent study by Swiss scientists, drinking green tea raises 4% of metabolic rate. It is calorie free and good source of fluids. The catechins present in it have a fat-burning effect. The antioxidants in green tea reduce the risk of blood clot, blood pressure, blood sugar and high cholesterol. EGCG in green tea is believed to slow the artery-clogging plaque. Green tea also contains alkaloids including caffeine, theobromine, and theophylline. These alkaloids have a stimulating effect.

L-theanine, an amino acid compound found in green tea is good for calming effects in the nervous system. This tea is also helpful in treating colon cancer. It reduces the inflammation of ulcerative colitis. It is useful in controlling blood sugar level in the body as it is rich in polysaccharides and polyphenols also prevent the onset of type 2 diabetes. It is one of the natural solutions to treat skin problems like acne, psoriasis, and warts.

Green tea is helpful in dental care. It contains fluoride which suppresses the plaque formation and destroys the bacteria that causes plaque and bad breath. It boosts up immunity level of the body due to presence of flavnoids and polyphenols. Catechin present in the green tea acts as a stress buster and cures sleeplessness. Theanine an amino acid present in the green tea helps in the release and production of chemical-dopamine. Dopamine and theanine stimulate a feeling of well being in the body.

Most green tea supplements are available as dried leaf in a capsule form. An average cup of tea contains 50-150 mg polyphenols. Conversely, taking green tea too much can cause certain health problems. People who drink excessive caffeine per day may suffer from dizziness, headaches, irritability, insomnia, heart palpations, nausea, vomiting, headaches and loss of appetite. Now, it is widely popular beverage and as it is unfermented its nutrients remain intact. At the same time it is always advisable to take professional medical help for any ailments.

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