วันเสาร์ที่ 22 สิงหาคม พ.ศ. 2552

coronary heart disease articles

coronary heart disease articles
For thousands of years the Chinese have claimed many health benefits can result from drinking tea. In fact, many international, German and U.S. tea drinkers agree that Chinese teas should be the drink of choice. In fact, during the recent survey by the Canadian Tea Council, over 40% of Canadians that they drank tea for the "health" and that it "tasted great, had no calories or fat and can help you better care of yourself."

Only in recent years the medical community jumped on the Chinese tea train. Now, researchers in many studies on the feasibility of Chinese tea extracts in the treatment and prevention of many diseases and conditions. The most common types of Chinese teas are:

• Green Tea

• Red Tea

• White Tea

• Black Tea

• Oolong Tea

• Pu-Erh Tea

• Flower Tea

• Yellow tea

• Stamping Tea

• Iron Buddha

• Kudin tea

However, of these eleven species, most scientists seem to deal with learning about green, red, white and black tea. Here is some background information about these teas:

Each of them come from the same plant, Camellia sinensis, but simply to reconstruct the various stages of development and fermented or oxidized for different periods. The differences in oxidation and development for more or less of a certain kind of antioxidants in them often called catechins. Antioxidants have been protecting the body against all types of damage.

Fortunately for us, some of the claimed benefits as they really exist. For instance, Chinese teas may lower your cholesterol. A recent study investigated the possibility that the antioxidants in Chinese teas, specifically called epigallocatechin gallate (EGCG) could affect diet induced Hypercholesterolemia in rats.

Hypercholesterolemia is a high level of LDL or "bad" cholesterol in the blood. This in itself is not a disease, but it can lead to cardiovascular diseases such as atherosclerosis or "hardening of the arteries."

In the study, laboratory rats were divided into four groups. These groups were on a diet with high cholesterol and fat along with no EGCG, 0.2 grams EGCG, 0.4 grams EGCG and 0.7 grams EGCG per group on a daily basis. The rats received the same diet for four weeks. After this time it was found that the level of bad cholesterol in the rats given 0.7 grams EGCG was significantly reduced in comparison to the level of bad cholesterol in the control group of rats, no EGCG at all.

In addition, the rats were a sample of liquid meal with high cholesterol and it was found that cholesterol absorption in the intestine into the group of rats given the most EGCG was significantly reduced (62.7%) compared to the control group without EGCG (79 , 3%). In essence, the study showed that the cholesterol in the diet, the rats received EGCG has not been absorbed into her body as it normally would be easy to separate it out into the bloodstream.

Researchers speculated that the EGCG interfered with the solubility of cholesterol in the digestive tract, so that they can not be absorbed.

Another study of laboratory rats had similar results. The study used the extracts from green tea, Jasmine, Iron Buddha, Oolong and Pu-Erh tea when examining their effects on hypercholesterolemia in rats. Jasmine tea is made from a blend of jasmine flowers and Oolong or black tea leaves. Oolong tea is fermented or oxidized to a level between green tea and black tea in taste.

Pu-Erh Tea is a tea from leaves that are fermented and then aged for more than 50 years. Iron Buddha tea is an Oolong tea well known for a particularly fine flavor.

This group of rats was a high-cholesterol diet for a week before the various tea extracts in their respective groups, together with a persistently high cholesterol diet for eight weeks. All teas have been to lower the atherogenic index and the overall "good" versus "bad" cholesterol ratio in the rats.

The green tea and jasmine tea extracts, EGCG higher than the other extracts and it was found that they significantly lowered the cholesterol levels in rats in comparison to the other tea extracts. The teas also help reduce the average increase in the liver of rats as a result of the lipid, while they are on their high cholesterol diet.

Jon M. Stout is the Chairman of the Golden Moon Tea Company. Golden Moon Tea carefully selects the best rare and orthodox teas, which are processed slowly and by hand with extreme care. On their website you can learn more about their current tea offerings, including their exceptional green tea, white tea, black tea, oolong tea (also known as wu-long and wu long tea) and chai. Visit http://www.goldenmoontea.com for all details concerning the Golden Moon Tea Company's fine line of teas.

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