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Green tea: properties, fermentation, contraindications

Green tea is not only a wonderful thirst booster, but it also contains a number of health-promoting properties. It is worth drinking it every day, but – attention – it must be properly fermented. Only then will it not only be delicious, but also reveal all its advantages.

  1. Green tea – how is it made?
  2. What does green tea contain?
  3. What are the health benefits of green tea?
  4. Who should not drink green tea?
  5. How is green tea stored?
  6. How is green tea prepared?
  7. How often can you prepare green tea?

Tea is one of the most popular drinks in the world. He was drunk in China 5,000 years ago. Until then, its beneficial effects on the human body were well known. Worldwide consumption is enormous, and in 2021 humanity is expected to drink 297 billion liters of tea. Green tea is especially popular because it can help ward off some diseases.

Green tea – how is it made?

Green tea is the dried leaves of the tea plant that has not been fermented. When the leaves are heated in water during fermentation, the catechins (one of the main components of tea) cease to be active – thanks to this, the green tea infusion has a bright color.

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What does green tea contain?

The leaves of the tea plant contain two main ingredients. They are:

  1. Alkaloids (in the form of caffeine) – have a stimulating effect on the body
  2. Polyphenols (in the form of catechins) – have antioxidant and anti-inflammatory properties.
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Green tea contains 1.5 times more catechins than black tea. However, its quantity depends on the variety, the place of origin, the method of cultivation or the method of processing the specific tea leaf. It is the catechins that give green tea its acidity and bitterness, and it owes most of its health-promoting properties to them.

What are the health benefits of green tea?

Scientific research confirms many of the health-promoting effects of green tea. Drinking it can reduce the risk of developing certain diseases and support their treatment. What are the properties of green tea?

It is best to drink green tea regularly, that is, every day.

Who should not drink green tea?

Green tea is a good beverage for everyone. However, the amount of drunk green tea should not be overrated Pregnant women (for example due to the risk of premature labor and the low birth weight of the baby) – Researchers believe that excessive tea consumption is over 1.5 liters per day (about 6 cups). Breastfeeding mothers should also be careful about green tea, as the caffeine in it passes into milk and may cause sleep problems, irritability and intestinal problems in babies. While breastfeeding, you can drink 2-3 cups of green tea daily. It is also worth noting how these quantities affect a nursing infant.

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How is green tea stored?

Green tea should be stored properly – preferably in a cool, shady place, in an airtight package as possible. It’s not worth buying in large quantities, as long storage causes it to lose its flavor even in good conditions.

How is green tea prepared?

Here are some rules to follow to get really good green tea:

  • Choose tea leaves – don’t use tea bags.
  • Use good quality water for fermentation – if the tap is not the best, it is a good idea to use bottled water.
  • Boil green tea in a large jug or strainer – the leaves should be able to open freely in it (they do not have such an opportunity in small strainers and in a tea bag).
  • Choose the right water temperature – the ideal temperature ranges between 60-90 ° C, it all depends on the type of tea (after boiling the water, it is worth waiting a few minutes for the water to cool down a little).
  • Don’t brew green tea for too long – 1 to 3 minutes will suffice. The finer the leaves, the shorter the brewing time, because the flavor comes out faster.

It should be noted that pouring boiling water over green tea may cause some of the aroma to be lost. It will also make it more bitter.

How often can you prepare green tea?

Green tea can and should be brewed more than once from the same leaves – up to three times. Don’t lose flavor. The first brewing gives an infusion of a different flavor than the following drinks. In addition, the first infusion will have a stimulating effect (thanks to the higher content of the eye), while the next infusion will have a more relaxing effect (more valuable antioxidants are extracted from the leaves).

The above advice cannot replace a visit to a specialist. Remember that if there are any health problems, consult a doctor.

Source: dietetycy.org.pl