Green Tea and Black Tea May Help Prevent Type 2 Diabetes

Those that enjoy a cup of hot or iced tea now have another reason to put the kettle on. Recent findings suggest that green tea, as well as black tea, are good for diabetics.

Nearly 350 thousand participants were enrolled in a data analysis directed by G.J. van Woudenbergh of InterAct Consortium and his colleagues. They found that those drinking green tea had a lower incidence of type 2 diabetes. The findings indicated that it was dosage dependent. Those drinking more than 4 cups of green tea a day were 14 percent less likely to be diagnosed with type 2 diabetes, while those drinking less than 4 cups per day were 7 percent less likely to develop the disease compared to participants that did not drink any green tea. The findings were published in PLoS One this month.

This current study concurs with the findings of a similar study published in May 2012 in the Journal of Agricultural and Food Chemistry. This animal study reveals the positive effects of both black and green tea. In the animal study, diabetic rats were given the tea for three months, and it seemed to inhibit the formation of cataracts. In both studies the researchers determined that the optimum level of tea that a humans should consume was over 36 ounces a day, or 4 and a half 8 ounce cups.

To further explain the findings, an informative report produced by the Pacific College of Oriental Medicine describes green tea Metabolism:
The

”Green Tea has been shown to inhibit the enzyme amylase produced and secreted by the salivary glands and pancreas for the digestion of starches. This slows the rate at which the sugar contained in starches is metabolized and released into the bloodstream. Less insulin is required to shuttle glucose because there is less glucose in the blood, thus insulin resistance is curbed. Drinking liquids also creates a feeling of satiety. Green Tea adds to this by relaxing the muscles of the stomach and intestines thus slowing down the physical movement of food. In this way calorie restriction or fasting is mimicked. Drinking Green Tea has also demonstrated the ability to prevent metabolism and absorption of triglycerides through the digestive tract. These are the fatty substances that accumulate as adipose tissue (unsightly fat), clog up arteries, and like cholesterol can react adversely with oxygen in the bloodstream. Components of Green Tea act like fat grabbers, passing the undesirable fats through the digestive tract and out the colon.”

Future Research May Reveal More Benefits

According to the animal study published in theJournal of Agricultural and Food Chemistry:

"Black and green tea represent a potentially inexpensive, nontoxic, and, in fact, pleasurable [blood-sugar-lowering] agent. Tea may be a simple, inexpensive means of preventing or retarding human diabetes and the ensuing complications."

This new data analysis published this month further explores this “anti-diabetic” properties of green tea.

Sources:
http://diabetes.webmd.com/news/20050420/black-tea-green-tea-good-for-dia...
https://www.pacificcollege.edu/acupuncture-massage-news/articles/572-gre...
http://www.foodconsumer.org/newsite/Nutrition/Food/green_tea_prevents_ty...

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