Green and black tea is created from some leaves, but their difference is that the green has minimal processing - it takes a short fermentation (several days), but black tea before it gets to us on the table goes a long way, lasting several months to How it can be packed and exported.
Given this, it seems that the answer to the question is whether green tea is useful, is unambiguous, but it is not quite so: tea has a complex effect on the body, and certainly the type of its processing is of no small importance: for some people green tea can be a salvation from many problems in the body, but to others it is absolutely contraindicated.
So all the same harmful or useful green tea?
The effect of green tea on the body is undeniable, but to determine for whom it is harmful, and for whom it is useful, you need to see what specific properties it has.
Properties of green tea:
- stimulates the nervous system and dilates the vessels;
- thanks to the content of vitamin C has a beneficial effect on immunity;
- green tea has antibacterial, antiviral and antifungal effects;
- it removes carcinogens from the body and has a general antioxidant effect;
- cleanses the body of heavy metals;
- accelerates the metabolism;
- thanks to the content of iodine, it is useful in the case of insufficient thyroid function;
- as a means of detoxification, is useful in dysbacteriosis and food poisoning;
- strongly brewed tea helps with stomach upset (destroys bacteria), and weakly brewed tea tones up the intestines and speeds up the motor skills;
- strengthens the walls of blood vessels and prevents the development of blood clots;
- green tea lowers cholesterol;
- this drink lowers blood pressure.
So, the beneficial properties of green tea are obvious, but there are some contraindications: for example, iodine content indicates that people with an increased thyroid function should not take this drink.
Also doubtful is its effect on gastritis: active substances can irritate the mucous membrane. With duodenal ulcer, you can not drink strong green tea, as it can cause pain and constipation.
Those who have kidney diseases should carefully drink this drink, as it speeds up the metabolism and has a weak diuretic effect.
People, with severe disorders of the nervous and cardiovascular systems, it is better to limit the intake of this tea, because it contains caffeine, which in large quantities leads to insomnia and irritability.
Which green tea is the most useful?
Today you can meet many kinds of green tea, it is difficult to stop the choice on any one: all producers praise their products on the packaging. We are also interested in the most useful tea - Chinese green tea with jasmine. It is high-grade, and it contains the largest amount of catechins and caffeine because of its combination with jasmine.
Another no less useful green tea is called oolong - its beneficial properties are not limited to substances contained in green tea, as in the Chinese classification it is located between red and green. Its peculiarity lies in the processing: the tea leaf does not complete fermentation (only the edges and the surface layer are treated), so the sheet retains its structure inside.
Oolong contains a large amount of caffeine and tannin, vitamins C, B12, B3, B6, B1, K, E, as well as trace elements - selenium, magnesium, calcium, phosphorus, iodine, iron, etc. It favorably affects all body systems, but has similar to green tea individual contraindications.
This tea is considered the most effective for weight loss, because it is because of the special treatment is better able to split and withdraw fat than any other kind of tea.
Is it useful to drink green tea for hypotension?
Green tea, despite the high content of caffeine, lowers blood pressure due to a mild diuretic effect, so the only effect that a hypotonic will receive from green tea is irritability with even lowered pressure. But when the pressure is normal, and there is only a tendency to reduce it, green tea can be drunk in small quantities.
Which green tea is useful for people with low blood pressure? Hypotonic is better
How useful is green tea to people with hypertension?
At the stage of exacerbation of the disease, it is better not to consume green tea because of the high content of caffeine. When hypertension is in remission, this drink will only improve the condition of people with such a physiological feature.
Which green tea is more useful for hypertensives? People with a penchant for increased pressure are recommended green tea of weak tea leaves, while it is recommended to use no more than 2 mugs per day.