THE
GREEN TEA
EFFECT
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| green tea leaf |
Green tea is made solely from the leaves of Camellia sinensis that have undergone
minimal oxidation during processing. Green tea originates in China and has
become associated with many cultures throughout Asia. It has recently become
more widespread in the West, where black tea is traditionally consumed. Many
varieties of green tea have been created in countries where they are grown.
These varieties can differ substantially due to variable growing conditions,
horticulture, production processing, and harvesting time.
According to a survey released by the United
States Department of Agriculture in 2007, the mean content of flavonoids in a
cup of green tea is higher than that in the same volume of other food and drink
items that are traditionally considered of health contributing nature,
including fresh fruits, vegetable juices or wine. Flavonoids are a group of
phytochemicals in most plant products that are responsible for such health
effects as anti-oxidative and anti carcinogenic functions. However, based on
the same USDA survey, the content of flavanoids may vary dramatically amongst
different tea products.
Today, scientific research in both Asia and the
west is providing hard evidence for the health benefits long associated with
drinking green tea. For example, in 1994 the Journal of the National Cancer
Institute published the results of an epidemiological study indicating that drinking
green tea reduced the risk of esophageal cancer in Chinese men and women by
nearly sixty percent. University of Purdue researchers recently concluded that
a compound in green tea inhibits the growth of cancer cells. There is also
research indicating that drinking green tea lowers total cholesterol levels, as
well as improving the ratio of good (HDL) cholesterol to bad (LDL) cholesterol.
Green Tea
Benefits
Act
as an anti-oxidant. Green tea is an excellent source of
antioxidants. Catechins are powerful
antioxidants found in large quantities in green tea.
Help
on burning fat and exercise longer. Green tea increases
exercise endurance. Green tea catechins burn fat and reduce carbohydrate
utilization, enabling athletes to exercise longer.
Prolong
life. Researchers found those who drink 5 or more cups
of green tea a day are 16% less likely to die than those who drink less than one
cup a day. Heavy green tea drinkers are also 26% less likely to die from heart
disease.
Prevent
and treat cancers. Green tea anti-cancer prowess extends
beyond its antioxidant activities. It starves off cancer cells by restricting
blood vessel growth. It wreaks havoc in abnormal cells, causing them to
self-destruct. It blocks over-production of harmful enzymes that act as
catalysts to cancer growth.
Soothe
stress and boost brain power. Tea contains a
special compound called theanine, which has been known to stimulate alpha brain
waves, calm the body, and promote relaxed awareness.
Prevent
and treat diabetes. Green tea has theaflavins that increases
insulin activities, promotes glucose metabolism, blocks glucose absorption.
Prevent
tooth decay and cure bad breath. Unlike soft drinks,
tea is non-erosive. It fights mouth viruses and reduces bad breath.
Boost
immunity. Tea contains antigens, which are found also in
some bacteria. They build up immune defense and prepare us for bacterial
invasion.


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