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The research used 14,000 elderly Japanese people, of which
12,250 subjects were analyzed to estimate the various associations between green
tea consumption and all-cause mortality, cardiovascular disease and cancer. The
study was published in “Annals of Epidemiology”. The study also showed a risk
reduction in colorectal cancer of thirty one percent for those drinking seven
cups a day compared to one cup a day. This too is big numbers. Suzuki. stated
“To our knowledge, this is the first cohort study that shows the inverse
association between green tea and colorectal cancer mortality,”
The benefits of green tea, observed in the study, were in
people between the ages of 65 and 84. These results said the researchers may be
due to long term high consumption (seven cups a day) of green tea. Other
research shows green tea to be a disease prevention tool in cancer diets. .
Green tea, which is classified as a super antioxidant,
is said to be effective because of the polyphenols. Polyphenols have been proven
to prevent disease Green tea provides between 30% and 40% of water-extractable
polyphenols, while black tea only contains between 3% and 10%. The four main
polyphenols found in fresh tea leaves are epigallocatechin gallate (EGCG),
epigallocatechin (EGC) epicatechin gallate (ECG) and epicatechin (EC).
In many studies on heart disease these same polyphenols
have been shown to help circulation problems as well as heart disease itself.
Green Tea is also considered an anti aging nutrient. In China as well as Japan
people who drink many cups of green tea a day live longer.
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