Drinking green tea often can protect common eye diseases
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Last Update: 2010-08-16
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Source: Internet
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Author: User
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Green tea has gradually become one of the most popular drinks in the world It can reduce the risk of many diseases, from bacterial infection and virus infection to chronic degenerative diseases such as cardiovascular disease, stroke, cancer, diabetes, rheumatoid arthritis, osteoporosis and periodontal disease Recently, scholars from the Chinese University of Hong Kong reported that green tea also has some protective effects on common ophthalmic diseases such as glaucoma The researchers fed the mice green tea extract and analyzed the eye tissue, and found that different parts of the eye absorbed different amounts of catechins Among them, the content of catechin in retina is the highest and that in cornea is the lowest The antioxidant activity of catechins can be maintained for up to 20 hours after ingestion of green tea extract Experts believe that green tea can protect the eyes from oxidative stress, including common retinal diseases such as glaucoma and age-related macular degeneration It is not clear whether the eye absorbs catechins through the digestive system The processing steps of green tea are very few The newly picked tea is steamed simply, and the catechins, especially epigallocatechin, are concentrated in large amount Now the evidence suggests that the health benefits of green tea are mostly related to catechins.
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