Tea is among the most appreciated drinks worldwide for its flavor, but also for its properties: variety and health benefits.
The you it is one of the most consumed drinks in the world. There are several variety: from black to green, passing through white, yellow and Pu-Erh. This infusion is highly appreciated both for its particular flavor and for the property e i benefits which offers those who savor its taste.
All varieties are made from the leaves of the Camellia sinensis. What makes the difference are the types or the absence of fermentation, in some cases even the collection period. Rooibos, which is extracted from another plant (known by the scientific name of Aspalathus linearis), does not belong to this “family” of drinks.
The fermentation some leaves differentiate black tea from other varieties. A process that lasts about 2 hours and is operated at 30 degrees temperature, only to be then stabilized at a humidity level lower than 5%. It is a phase that follows that of rolling up and subsequent drying, which takes place in the air, and which will give the infusion coloring and taste.
It has a quantity greater than caffeine compared to other varieties. It can also count on a good amount of tannins, which help fight diarrhea. Polyphenols and antioxidants represent an effective natural remedy against aging and cardiovascular diseases. Theophylline instead provides support against asthma and bronchitis.
Green tea is undoubtedly the one most associated with health benefits. Its use within the Traditional Chinese Medicine. Its use according to the legend, which wants it to be “baptized” as an infusion about 4700 years ago by the Emperor Shen Nung Fu. It has more delicate leaves than the black variety, consequently the infusion temperature will be lower (70-80 degrees) as well as the duration of the same (about 2 minutes).
The strong presence of antioxidants sees it indicated for the treatment of aging, the prevention of dementia and Alzheimer, the defense from UV rays. It is also considered beneficial against the ovarian cancer and for the management of blood sugar (improvement of the insulin response). Added to this is the help for those who want lose weight.
Pu-Erh tea is among the lesser known varieties. According to Chinese tradition is in effect a red: this definition derives from the process of post fermentation to which it is subjected, being originally green or black. Its flavor is particular and decisive and recalls the earth and humus.
He is considered an ally of those who have problems with cholesterol or needs to stimulate the immune system. It is considered a stimulant of liver functions He is able to reduce weight helping to burn more excess fat.
Yellow tea is a semifermentato. It can count on a very particular taste, not usual compared to the varieties, and is obtained following a process similar to that of green: a light jet of steam oriented towards the leaves before the drying phase. Then it is left in a container covered only by a damp (breathable) cloth. End the 20 hours of the oxidative process you can proceed with drying and rolling.
Also rich in antioxidants, it also contains a good level of theobromine. The latter plays an important role in stimulating the nerve centers and can also boast an action vasodilatatrice e diuretics. It is highly appreciated for its low quantity of caffeine, which makes it suitable also for evening consumption.
White tea is the most delicate and expensive of the different varieties, once reserved only for the emperor. This infusion is obtained only from leaves younger and tender, gathered in a limited number of days spring. The most valuable qualities are collected within a maximum of 2 or 3 days.
It is not subjected to any fermentation process. Only the withering and the following are foreseen air drying. Just in relation to its processing it is particularly delicate, the brewing temperature it is about 70 degrees, while the time to spend in the water is usually between 1 and 2 minutes.
The number of antioxidants present in it is high, while on the contrary the level of caffeine is very low. It boasts useful properties in the prevention of cardiovascular disease and stroke, as a natural aid for prevent some cancers. Some studies find this infusion useful for relieve the symptoms of HIV. It is considered a natural energizer and an ally of those who want to lose weight, as it metabolism accelerator.