There are several types of tea. Black, green, yellow, mate, rooibos: it is not the full list of grades of this drink. Each of them has the features. Recently a green tea, in many respects thanks to the structure enjoys wide popularity.
The structure of a green tea is really rich. It contains vitamins: With, P, groups B and also catechins, tannin, pectins, alkaloids, minerals, amino acids. So rich structure of this drink has extremely positive effect on a human body.
Vitamins and minerals
Vitamin C in a green tea contains ten times more, than in his black fellow. It strengthens effect of vitamin P which also is in this tea. Standing together, these vitamins take off fatigue and tension, increase resilience to catarrhal diseases.
Group B vitamins which are contained in a green tea normalize work of nervous system and also well affect metabolism and a condition of skin. The famous fighter against processes of aging of an organism, vitamin E, is present at structure of this tea too. There are in this drink a manganese, magnesium, potassium, iodine, fluorine, copper, sodium and even gold. However, these substances aren't in dry tea leaves, they are formed in a green tea only at the time of a zavarivaniye.
Catechins
The catechins which are a part of this tea are capable to stop aging of an organism and to protect it from cancer. In Japan where thoroughly study properties of a green tea, the scientists from the Center of a research of cancer could prove that regular consumption of drink is capable to reduce risk of developing of malignant tumors.
Tannin
Tannin belongs to tannins. It impacts to a green tea magnificent aroma and relish. Besides, due to its presence, tea facilitates process of digestion of food and strengthens work of digestive tract that serves as good help in fight against extra kilos. Not without reason in Central Asia from time immemorial wash down with this tea greasy food to avoid feeling of weight in a stomach. Tannin not only promotes splitting of fats, but destroys microbes, food poisoning and even intestinal infection. Scientists still in the fifties established of the last century that among all grades of teas green is allocated with the most powerful bactericidal properties.
Pectins
These substances promote too splitting of fat which as a result of consumption of green drink is easily processed in an organism, without being laid in store. Neutralizing fat, tea lowers cholesterol level, thereby removing development of atherosclerosis.
Alkaloids
One of the main components of a green tea – alkaloid caffeine which is called still theine. It is available also in coffee, but theine of a green tea affects more softly cardiovascular and nervous system. By the way, in its green tea contains many times more, than in coffee.
Proteins and amino acids
Albumens – the most important component of a tea leaf. By amount of proteins and their quality the green tea doesn't concede to bean cultures. At beverage composition there is an amino acid teanin. One of its important properties – lowering of arterial pressure. However, there is a nuance: that teanin worked, not too hot need to have a green tea.