Benefits of Green Tea

What is green tea?

Benifits of green tea


Green tea is a type of tea that is made from Camellia sinensis leaves that have not undergone the same withering and oxidation process used to make oolong teas and black teas. Green tea originated in China, but its production and manufacture has spread to many other countries in Asia.
Camellia sinensis: is a species of evergreen shrub or small tree. Camellia sinensis is native to East Asia, the Indian Subcontinent and Southeast Asia, but it is today cultivated across the world in tropical and subtropical regions.

Components of Green Tea:

Polyphenols found in green tea include epigallocatechin gallate (EGCG), epicatechin gallate, epicatechins and flavanols, which are under laboratory research for their potential effects in vivo. Other components include three kinds of flavonoids, known as kaempferol, quercetin, and myricetin. Although the mean content of flavonoids and catechins in a cup of green tea is higher than that in the same volume of other food and drink items that are traditionally considered to promote health, flavonoids and catechins have no proven biological effect in humans

Health benefits of Green Tea:
       1.  Green tea helps in cancer prevention:
         According to the National Cancer Institute, the polyphenols in tea have been shown to decrease tumor growth in laboratory and animal studies and may protect against damage caused by ultraviolet UVB radiation.

          In countries where green tea consumption is high, cancer rates tend to be lower, but it is         impossible to know for sure whether it is the green tea that prevents cancer in these particular populations or other lifestyle factors.  

      2. Green tea reduces heart diseases:

           A study published by he Journal of the American Medical Association concluded that green tea consumption is associated with reduced mortality due to all causes, including cardiovascular disease.
           The study followed over 40,000 Japanese participants between the ages of 40 and 79 for 11 years, starting in 1994.
            The participants who drank at least 5 cups of green tea per day had a significantly lower risk of dying (especially from cardiovascular disease) than those who drank less than one cup of tea per day.
            Green tea contains catechins, polyphenolic compounds that are thought to exert numerous protective effects, particularly on the cardiovascular system.

3.    Green tea reduces bad cholesterol:

          An analysis of published studies in 2011 found that consuming green tea, either as a beverage or in capsule form, was linked to significant but modest reductions in total and LDL or "bad" cholesterol.

4.    Green tea reduces the risk of stroke:

          Drinking green tea or coffee on a regular basis is associated with a reduced risk of stroke, according to a study published in the journal Stroke: Journal of the American Heart Association.
The lead author of the study, Dr. Yoshihiro Kokubo, Ph.D., said, "This is the first large-scale study to examine the combined effects of both green tea and coffee on stroke risks. You may make a small but positive lifestyle change to help lower the risk of stroke by adding daily green tea to your diet."

5.    Green Tea Can Improve Brain Function and Make You Smarter:

          Green tea does more than just keep you awake, it can also make you smarter.
It doesn't contain as much as coffee, but enough to produce a response without causing the "jittery" effects associated with too much caffeine.
           What caffeine does in the brain is to block an inhibitory neurotransmitter called Adenosine. This way, it actually increases the firing of neurons and the concentration of neurotransmitters like dopamine and norepinephrine

6.    Green Tea Can Kill Bacteria, Which Improves Dental Health and Lowers Your Risk of Infection:

            Some studies show that they can kill bacteria and inhibit viruses like the influenza virus, potentially lowering your risk of infections
             Streptococcus mutans is the primary harmful bacteria in the mouth. It causes plaque formation and is a leading contributor to cavities and tooth decay.
             Studies show that the catechins in green tea can inhibit the growth of Streptococcus mutans. Green tea consumption is associated with improved dental health and a lower risk of caries

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