tea helps fight eye diseases
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Health benefits of green tea
discovered that green tea can help prevent glaucoma and other eye diseases.
They have found that the healthful substances found in green tea — renowned for
their powerful antioxidant and disease-fighting properties — do penetrate into
tissues of the eye.
The new study has documented how the lens, retina, and other eye tissues absorb
Chi Pui Pang and colleagues pointed out that so-called green tea ‘catechins’
have been among a number of antioxidants thought capable of protecting the eye.
Those include vitamin C, vitamin E, lutein, and zeaxanthin. Until now, however,
nobody knew if the catechins in green tea actually passed from the stomach and
gastrointestinal tract into the tissues of the eye.
The researchers resolved that uncertainty in experiments with laboratory rats
that drank green tea. Analysis of eye tissues showed beyond a doubt that eye
structures absorbed significant amounts of individual catechins.
The retina, for example, absorbed the highest levels of gallocatechin, while the
aqueous humor tended to absorb epigallocatechin. The effects of green tea
catechins in reducing harmful oxidative stress in the eye lasted for up to 20
"Our results indicate that green tea consumption could benefit the eye against
oxidative stress," the study concluded.
The study appears in ACS' bi-weekly Journal of Agricultural and Food Chemistry.
- ANI / Times of India