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Posts Tagged ‘EGCG’

I love a cup of hot tea throughout the day. Not only iclip arts it refreshing, it’s healthy. Like 78 percent of the world’s tea drinkers, I prefer black tea. While it, too, provides nutrients that benefit health, greater amounts are found in green tea. What is the difference?

All teas, except herbal teas, come from the dried leaves of the camellia sinensis bush. Fermentation (oxidation) determines the type of tea. Black tea is the most oxidized followed by oolong. Green tea remains unoxidized. It has about half the amount of caffeine (20-45 mg per 8-ounce cup) as black tea.

Several health benefits may be associated with green tea, but in most cases, more research is needed to confirm. The polyphenols in green tea are thought responsible for its anti-inflammatory and anti-carcenogenic properties. Catechins, such as EGCG (epigallocatechin-3-gallate), are the major polyphenols in green tea.

Cancer: Green tea has decreased tumor growth in animal studies and may protect from ultra violet rays.It may have positive effects in preventing breast, bladder, ovarian, colorectal, esophageal, lung, prostate, skin, and stomach cancer.

People who live in countries with a high consumption of green tea have lower cancer risk. However, that doesn’t mean that green tea is totally responsible for this since results could relate to other lifestyle factors.

A study published in Molecular Nutrition and Food Research reported that green tea may also help prevent oral cancer. Exposure to EGCG killed cancerous cells and strengthened normal cells. However, the Food and Drug Administration (FDA) does not agree that green tea qualifies for health claims related to any type of cancer.

Heart Disease: Studies found that those who consumed large quantities of green tea (5 cups or more) were less likely to die from heart disease. While drinking 10 cups of green tea daily lowered cholesterol, one cup or less per day did not.

Weight loss: The amount of weight-loss contributed to green tea is minimal and not clinically significant.

Memory: Green tea seems to enhance memory and may improve mental alertness.

Other: The FDA has approved green tea ointment to treat genital warts.

Many questions remain about the health benefits of green tea. All indications are that it is a good addition to a healthy diet. If that’s your cup of tea—enjoy.

 

 

 

 

 

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