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What substances do we find in a cup of tea? How much caffeine does it provide?

Catechins or tannins are some of the substances that we find in a cup of tea.  What other healthy substances can we find, and how much caffeine does it contain?

Tea, in all its varieties, is a very popular drink that came directly from Asia a few centuries ago. Since then, it has become a traditional drink in some European countries, and its consumption has increased surprisingly in recent years, thanks to the different qualities and substances that we can find in its content.

Many readers have asked us about the substances we find in a cup of tea, regardless of whether green teablack teared tea or white tea.

And it is that although a few weeks ago we dealt with another topic both interesting and important related to how many cups of tea can be drunk per day, this time we are going to deal with the substances that we find in a cup of tea.

Substances found in a cup of tea:

  • Catechins: It contains antioxidant properties that, in a sense, are about 20 times more powerful than those found in vitamin C. We must indicate at this time that more than half of the total content found in tea is epigallocatechin gallate (EGCG).
  • Tannin: It is a flavonoid that, among other things, gives the bitter taste and aroma characteristic of tea. In addition to antioxidant properties, it has astringent virtues.
  • Caffeine: As we know, it is a mild stimulant that we also find in tea. However, its quantity is less than what we observe in coffee: a 200 ml cup. It contains an average of about 40 mg. of caffeine.
  • Lucigenin: This is another flavonoid, somewhat more complete than tannin, which is generated when tea leaves blacken and ferment.
  • Flavin: It is also produced during the fermentation of tea leaves.

How much caffeine does a cup of tea provide?

A very common question that many people face when they drink a cup of tea is how much caffeine it provides, especially if they are substituting coffee for tea, especially if they have a certain sensitivity to this exciting substance. Or if they just don’t like it.

The truth is that we find caffeine in natural form in the leaves of Camellia sinensis, the popular tea plant, from which its leaves are precisely collected in order to make and prepare this wonderful drink in its different varieties (white, green, red and black). In this case we must distinguish between the varieties of tea that we are going to consume, since its caffeine content will vary a little.

Thus, while black tea is the variety of tea that provides the most caffeine (specifically a cup of black tea contains between 25 to 100 mg of caffeine), a cup of green tea provides much less (between 10 to 15 mg of caffeine). If we compare it with the amount of caffeine that a cup of coffee can provide (between 60 to 120 mg.), we observe that black tea contributes even a smaller amount, despite being the variety that ultimately has more content. In caffeine.

How these substances act in our body?

We must bear in mind that depending on the different qualities that each substance contains, its effects on our body will obviously be very different.

We can give an example with substances that have an antioxidant effect, such as catechins or tannins, to cite just a few simple examples. These, among other interesting aspects, are capable of reducing the negative action of free radicals, in such a way that they help us to reduce the risk of suffering from cancer and other chronic diseases. In addition, they not only reduce the action of free radicals, but also slow down the aging of cells.

On the other hand, caffeine acts as a natural stimulant for our nervous system. In this way, when we have a cup of tea or coffee, it helps to reduce tiredness and fatigue by acting as an exciting agent, improving concentration and alertness.

What are the main contraindications that prevent you from having a cup of tea?

We cannot finish this article without first paying attention to something fundamentally important: what are the contraindications that could prevent us from enjoying a cup of tea, mainly because despite its benefits, its consumption would not be recommended for us:

  • Its consumption is not recommended in children: Due to its caffeine content, its consumption is not recommended in young children, even in small doses. It is advisable to replace the tea with natural infusions whose caffeine or theine content is obviously zero, as is the case with chamomile.
  • Pregnancy and breastfeeding: Although tea is considered a safe drink, many experts advise avoiding green tea because its substances – and side effects – can pass to the baby during pregnancy, causing negative effects on their still developing nervous system. For this reason, its consumption is not recommended during lactation.
  • Interference with some medications: Tea, especially green tea, is known to interfere with the action of medications such as sibutramine. Therefore, it is recommended to consult your doctor beforehand in case you want to drink tea and are also following a certain medical treatment.

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HealthyWire Staff
HealthyWire Staffhttps://healthywire.com/
This blog also features articles on natural living, fitness, healthy children, inspiration, and nutritious food and recipes. HealthyWire assists you in building a naturally healthy, whole-family environment. The site features articles on a variety of topics, including reduction of weight, men’s and women’s health, yoga, healthcare, fitness & exercise, diseases & prevention, healthy living and wellbeing, lifestyle, and much more.

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