Sunday, September 23, 2012

Benefits on green tea exstract

What is Green Tea?
There are three main variations of the tea is green tea, black and oolong. The third type is derived from the leaves of Camellia sinensis plant, originally grown in East Asia. This plant grows like a shrub / tree and is currently growing at around Asia and some Middle East and Africa. The third difference is the type found on how to proceed. Green tea is made from fermented leaves while oolong tea is made from partially fermented leaves. Black tea is derived from fermented leaves. The more fermented, the lower the polyphenol content of tea and the higher the caffeine content.
Green tea reportedly contains the highest concentration of powerful antioxidants called polyphenols. Whereas black tea contains 2-3x the caffeine content than green tea. Antioxidants are substances that scavenge free radicals that usually damaging compounds in the body that alter cells, damaging DNA and even cause cell death.

Free radicals arise naturally, but also to environmental toxins may cause particles destroyer. Many researchers believe that free radicals play a role in the aging process as well as the growing number of health problems, including cancer and heart disease. Antioxidants such as polyphenols in green tea can neutralize free radicals and reduce and even prevent the damage it causes.

Green and oolong teas are often consumed by people over Asia, while black tea is more popular among the U.S.. Healthful properties of green tea is largely due to the polyphenols. Antioxidant effects of these chemicals are likely even greater than vitamin C. Polyphenols in green tea are also likely to give a little bitter taste. Polyphenols contained in teas are classified as catechins. Green tea contains six primary catechin components, namely: Ketekin, Galokatekin, epicatechin, epigallocatechin, epicatechin error, and epigallocatechin gallate. EGCG is a polyphenol component of the most studied and most active.

Green tea also contains alkaloids, including caffeine, theobromine, and theophylline. These alkaloids provide a stimulant effect of green tea while the L-theanine, an amino acid compound found in green tea, has been studied for silence effects on the nervous system.

What are the Benefits of Green Tea For Health?
Green tea has been consumed throughout the year in China, India, Japan and Thailand. In the traditional society of China and India, health practitioners use tea as a stimulant, diuretic, astringent and improve heart health. Some of the traditional use of green tea include treating flatulence, regulating body temperature and blood sugar, improve digestive health, and improve mental function. Further studies in humans, animals and laboratory experiments claim that green tea is useful for health conditions such as:
* Atherosclerosis

Based on population studies, indicate that the antioxidant properties of green tea helps prevent atherosclerosis, particularly coronary artery disease. Researchers estimate even by eating three cups of green tea a day can lower heart attack rate by 11%.

* High Cholesterol
Research shows that green tea lowers total cholesterol and raise HDL in humans and animals. One of the results of animal studies suggest that polyphenols in green tea can block the intestines absorb cholesterol and increase the excretion from the body. In a study in male smokers found that green tea significantly lowers harmful LDL cholesterol.

* Cancer
Several types of studies such as the ateroskerosis showed that green tea and black tea also helps protect against cancer. Clinical studies that appear stating that the polyphenolics play an important role in the prevention of cancer and trusted help kill cancer cells and stop its progression.

* Inflammatory Bowel Disease
Green tea helps reduce the inflammation associated with Crohn's disease and ulcerative colitis, two types of inflammatory bowel disease. If green tea is proven to help prevent colon cancer, this will add benefit for patients with inflammatory bowel disease because they have the risk of colon cancer.

* Diabetes
Green tea has been used traditionally to control blood sugar in the body. Animal studies that green tea may prevent the development of diabetes and slow down its development when it has emerged.

* Liver Disease
Studies such as the ateroskerosis showed that men who consumed more than 10 cups of green tea are less likely to suffer from liver disorders. This tea seems to protect the liver from the damaging effects of toxic substances such as alcohol. Animal studies suggest that green tea helps protect against the development of liver tumors in tikus.Hasil from several studies suggest that one of the polyphenols in green tea, known as catechin, may help treat viral hepatitis.

* Weight Loss
Clinical studies of green tea extract states can increase your metabolism and helps burn fat.
How Dose Consumption of Green Tea Extract Every Day?
Recommendations consume standardized green tea extract is recommended for adults approximately 2-3 cups a day or 100-750 mg per day. There is also caffeine-free green tea products are recommended. As for the children, the consumption of green tea is not recommended.

Side Effects of Green Tea Extract
Although the use of herbs for strengthening the body and treat disease, herbs contain active compounds that can trigger side effects and interact with other herbs, supplements, or medications. For this reason, if you're on certain medications, you should eat with caution and under the supervision of your doctor.

People with liver problems, kidney failure, stomach ulcers, and psychological disorders are advised not to consume green tea. Pregnant and lactating women should also avoid green tea.
People who consume caffeine excessively for long periods may experience problems such as irritability, insomnia, heart palpitations, and dizziness. Excess caffeine can cause nausea, vomiting, diarrhea, headache, and loss of appetite. If you eat too much tea and began vomiting or stomach cramps, you may be caffeine intoxication. If symptoms are severe, reduce your intake of caffeine and consult a doctor.

Interaction Green Tea Extract with Certain Drugs
Some drugs should not be taken with green tea extract without consulting a doctor is adenosine, beta-lactam antibiotics, benzodiazepines, beta-blockers, propranolol, and metoprolol, blood thinning medication, chemotherapy, clozapine, ephedrine, lithium, monoamine oxidase inhibitors, oral contraceptives , and phenylpropanolamine.

Most of the green tea diet supplements are sold as dried leaf tea in capsule form. Even so a standardized extract of green tea is preferred. There is also a liquid extract made from leaves and leaf buds. The average cup of green tea polyphenols contain 50-150 g. Decaffeinated green tea products contain concentrated polyphenols. Caffeine-free supplements are also available.

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