| Taste the difference! |
Green Tea has long been known throughout Asia as a health tonic, elixir, and
satisfying beverage. This page closely examines some of the research that has
been conducted on this fascinating yet ... still highly unknown subject.
satisfying beverage. This page closely examines some of the research that has
been conducted on this fascinating yet ... still highly unknown subject.
1. What are antioxidants?
The human body constantly produces unstable molecules called oxidants, also
commonly referred to as free radicals. To become stable, oxidants steal electrons
from other molecules and, in the process, damage cell proteins and genetic material.
This damage may leave the cell vulnerable to cancer. Antioxidants are substances
that allow the human body to scavenge and seize oxidants. Like other antioxidants,
the catechins found in tea selectively inhibit specific enzyme activities that lead to
cancer. They may also target and repair DNA aberrations caused by oxidants.
2. What is the level of antioxidants found in tea?
All varieties of tea come from the leaves of a single evergreen plant, Camellia
sinensis. All tea leaves are picked, rolled, dried, and heated. Additional processing
allows the tea leaves to ferment and oxidize so black tea is produced. It is believed
that green tea contains higher levels of antioxidants than black tea, because it is less
processed.
Although tea is consumed in a variety of ways and varies in its chemical makeup, one
study showed steeping either green or black tea for about five minutes released over
80 percent of its catechins. Instant iced tea, on the other hand, contains negligible
amounts of catechins . Herbal teas or tisanes do not contain any tea leaves.
The human body constantly produces unstable molecules called oxidants, also
commonly referred to as free radicals. To become stable, oxidants steal electrons
from other molecules and, in the process, damage cell proteins and genetic material.
This damage may leave the cell vulnerable to cancer. Antioxidants are substances
that allow the human body to scavenge and seize oxidants. Like other antioxidants,
the catechins found in tea selectively inhibit specific enzyme activities that lead to
cancer. They may also target and repair DNA aberrations caused by oxidants.
2. What is the level of antioxidants found in tea?
All varieties of tea come from the leaves of a single evergreen plant, Camellia
sinensis. All tea leaves are picked, rolled, dried, and heated. Additional processing
allows the tea leaves to ferment and oxidize so black tea is produced. It is believed
that green tea contains higher levels of antioxidants than black tea, because it is less
processed.
Although tea is consumed in a variety of ways and varies in its chemical makeup, one
study showed steeping either green or black tea for about five minutes released over
80 percent of its catechins. Instant iced tea, on the other hand, contains negligible
amounts of catechins . Herbal teas or tisanes do not contain any tea leaves.
Green Tea Blocks HIV in Test Tubes
Caffeine in tea could protect against diabetes
Antioxidant in green tea may improve memory
Tea's brain health benefit link gets more support
More evidence of green tea’s brain benefits
Danforth Center Researcher Finds Potential Therapy for a Rare
Insulin Disorder in Green Tea
Insulin Disorder in Green Tea
Green Tea could protect against Alzheimer's
Black tea may cure breast cancer
Potent suppressive effect of green tea polyphenols on
tobacco-induced mutagenicity.
tobacco-induced mutagenicity.
Antioxidant activity of various teas against free radicals and LDL
oxidation.
oxidation.
Tea leaves may release or absorb fluoride, depending on the
fluoride content of water.
fluoride content of water.
The effect of an herbal supplement containing black tea and
caffeine on metabolic parameters in humans.
caffeine on metabolic parameters in humans.
Safety studies on epigallocatechin gallate (EGCG) preparations.
Part 1: Genotoxicity.
Part 1: Genotoxicity.
Green tea may help treat a form of adulthood leukaemia, if the cases of
four patients are any indication, according to a new report.
four patients are any indication, according to a new report.
Ring in the New Year with Tea: Help to Lose Weight and Boost Immune
System and Heart Health
System and Heart Health
Green Tea Polyphenol Epigallocatechin-3 Gallate (EGCG) Affects Gene
Expression of Breast Cancer Cells Transformed By the Carcinogen 7,12-
Dimethylbenz[a]Anthracene1-3
Expression of Breast Cancer Cells Transformed By the Carcinogen 7,12-
Dimethylbenz[a]Anthracene1-3
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Study links smoking, drinking, tea to cancers
Green Tea Research
Green Tea Research Articles & Publications