How a Cup of Tea Could Shield Your Brain

How a Cup of Tea Could Shield Your Brain

Cebu : Philippines | Aug 15, 2011 at 9:14 PM PDT
Views: Pending
Initial studies suggest polyphenols in the syrup may help keep blood sugar levels in check

Skooter reporting 08/16/11

Do you drink green tea? Well, everybody does, I guess. And do you know what green tea could do for you? The beverage contains some very special compounds known as "polyphenols." Polyphenols are a kind of phytochemicals and these phytochemicals have some important health-enhancing properties. Polyphenols are antibacterial, antiviral, and as a strong antioxidants. This is one that I didn’t know until Cate Stevenson told me about one polyphenol in particular, "epigallocatechin gallate" (or EGCG) has been shown in clinical trials to enter cells and protect DNA from hydrogen peroxide (a potent free radical).

It is also known that green tea protects against cancer, lower cholesterol levels, and reduce clotting of the blood. Green tea has been linked in regulating blood sugar and insulin levels, and promotes the burning of fat. You know the list of benefits of green tea is too many to mention and I’m afraid this page isn’t enough. But you know what? Here is some breaking health news given to me by my friend Cate Stevenson: researchers have uncovered that green tea could protect against the ill effects of cell phone radiation. Yeah, I remember that report a couple of months ago or beyond, that cell phone radiation could affect your brain. You heard that report, don’t you?

Due to the health-effects of cell phone radiation, a scientific team at the School of Biological Science and Medical Engineering, Beihang University, China, conducted a study to find out the possible protective effects of green tea polyphenols against electromagnetic radiation-induced injury in cultured rat cortical neurons. In the study, green tea polyphenols were used in the cultured cortical neurons and exposed to 1,800 MHz EMFs by a mobile phone. They found out that mobile phone irradiation for 24 hours brings about marked neuronal cell death.

They also found that the cell deaths caused by the mobile phone irradiation were reduced significantly by green tea polyphenols. Therefore, it was concluded that green tea wields a protective effect against mobile phone irradiation-induced injury on cortical neurons.

Here is a few tips for making a good cup of tea, compliments from our good friend here, Cate Stevenson: immerse a tea bag for three minutes to release all the health-promoting compounds. And researchers say that tea packed in tea bags actually releases more polyphenols than loose leaves.

Seemingly, the tea in tea bags tends to be broken down into smaller particles, which helps more polyphenols to be dissolved in the hot water.

One final bit of health advice: didn’t you know that by adding lemon to your green tea could help absorbed all the antioxidant you want to get? Green tea has some very special antioxidants called "catechins." But it has been found out that catechins are not so easily absorbed; catechins can be unstable in non-acidic environments. This means that, after ingesting, less than 20% of the total amount of catechins you take in remain after digestion. So a little bit of lemon in your green tea can help to solve this problem.

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green tea
The green tea cultivation in Boseong, South Korea.
skooter is based in Cebu, Central Visayas, Philippines, and is an Anchor on Allvoices.
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