A green tea extract is produced from the leaves of a plant camellia sinensis. These teas have undergone minimal processing during their manufacture. Green tea is now a worldwide phenomenon being very popular in several countries. Countries originally producing green tea are China and Japan.Green tea extract is a fine brown yellowish powder having a typical smell. These powders are soluble in water and ethanol. The green tea extracts are polyphenols and catechins.
Catechins are green tea extracts which have high biochemical activity. Catechins are also called polyphenols or tannins. A catechin, which has high antioxidant property, is Epigallocatechin gallate (EGCg). The antioxidant property of these chemicals is much more than either vitamin C or vitamin E. Catechins have several medicinal properties. They inhibit the proliferation and development of aberrant cell colonies in the body. It is known that proliferation of aberrant cell colonies give rise to cancer. They inhibit oxidation of cholesterol and low-density lipoproteins. The American journal of Nutrition has found out in its research that catechins decrease the oxidative damage of cells and DNA due to exposure to iron. The green tea extract has been attributed in weight loss in humans. Obesity is a major worldwide epidemic that is spreading at an alarming rate. Bad food habits and sedentary lifestyle is the main cause for obesity. Obesity can set in at any age in humans. It is the major cause for several diseases. Weight can be reduced in two steps. First, regulate the excess calorie intake. Second, is to burn the body fat. Green tea has been found to possess both these properties. It not only reduces the amount of calories that is entering the body but also aids in body fat burning by increasing the metabolism. People suffering from hypothyroidism face problems to burn down the fats as they have a low metabolic rate. Green tea is beneficial for such patients.
There was a myth that the caffeine content in tea increases metabolism. However, recent studies have shown it is not in the caffeine but in the green tea (catechins) that aid in fat burning. They suppress the secretion of several digestive enzymes limit the absorption of sugar.
The green tea extracts that is the catechins have properties, which inhibits uncontrolled cell growth, and thus prevent cancer. In countries such as China where the consumption of green tea is the highest, it has been observed that the cancer rates are significantly lower. They have antibacterial properties too inhibits food poisoning bacteria which causes botulism (food poisoning). They also inhibit several types of pathogenic microbes. The green tea extracts helps in glowing of the skin, prevent the formation of wrinkles and protect them from the harmful effects of ultra-violet (UV) rays.
These extracts also mask the smell of bad breath. After all, unhealthy lifestyle produces bad breath. Imagine that you are in a business meeting of high merits and you emit foul smell from your breath! This will affect not only your professional life but also your personal life. You will not only be avoided and shunned by your colleagues but also your friends, if you have bad breath!
Green tea extract contains natural caffeine. While processing this caffeine should not be removed. Otherwise, the beneficial effects of the green tea extract will be lost. A standard green tea extract should contain 91.2 % polyphenols and 54.5% EGCG.
Therefore, next time when you buy green tea, make sure you have all the standards present. Enjoy the taste of the beverage and lead a disease free healthy life.
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