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About Tea | Caffeine

Posted by Beatrice Garvey on

All about caffeine in tea 

When we hear the word 'caffeine' we often associate it with coffee, but caffeine is a natural substance found in plants, for example, tea leaves, coffee - and cocoa bean. Caffeine is actually produced by the plant to protect itself from insects. 

Some of us are more sensitive to the power of caffeine than others and most of us have a love-hate relationship with this substance.

Is caffeine dangerous?

We all react differently to caffeine and it's important to listen to your body. But, as long as it is consumed in moderate doses, caffeine has primarily positive effects. 

Caffeine, among other things, has a central stimulating effect, which acts to stimulate and sharpen the concentration in the short term and gives a feeling of well-being. 

Excessive caffeine causes heart palpitations, muscle twitching, stomach -and sleep problems. Caffeine is also addictive, you can get headaches and withdrawal problems if you decide to go a few days without your dose of daily caffeine. 

The effect of the caffeine from tea becomes more even and lasts longer than the coffee.

Although the caffeine in the tea is the same as in coffee, there is an important difference in the way the body absorbs the caffeine from the tea and the caffeine from coffee.

When you drink coffee you get a quick stirring effect, you can almost feel a jittery feeling in your body after your cup of coffee and then dive and feel energyless after a few hours.

Tea contains L-Theanine which is an amino acid found in the leaves of the tea bush. L-Theanine is the most active ingredient in tea after caffeine and interacts with caffeine by reducing its side effects and slowing down the absorption of caffeine. The combination L theanine and caffeine promote brain reaction times. L-theanine reduces mental and physical stress and makes us alert.

How much caffeine does tea contain?

This depends for example on which type of tea it is, how long we have brewed our tea and in which temperature. 

Generally speaking, a cup of black tea contains half the amount of caffeine as the same sized cup of coffee and green tea contains half the amount of a cup of black tea. 

The warmer the water and the longer the brewing time, the more caffeine it is released. Larger tea leaves release caffeine slower as well as cold brewing tea the caffeine release is slower. 

How quickly does it take for the caffeine to give energy?

Caffeine is rapidly absorbed in the stomach and small intestine, and the greatest concentration of caffeine in the blood lasts half to two hours after taking the stimulant substance. However, it is individual how long it takes for the effect to subside, but on average it takes four hours from the time you take the substance until the blood concentration is halved.

Tea - a healthier energy drink

There is a lot of energy drinks out there with a very high substance of caffeine and sugar which gives us very quick highs and very quick lows with energy. The amount of sugar and other substances these energy drinks contain are not very good for our bodies.

To swap energy drinks to cold brew tea can be a good way to a healthier lifestyle, due to the health benefits tea power. You can read more about tea here.

 

Which tea is highest in caffeine? 

Generally speaking, we find Matcha powder having the highest amount of caffeine of all teas that come from the plant Camellia Sinensis, although matcha does also contain a very high amount of the substance L-Theanine which levels the release of caffeine in our bodies as described above. If you are interested to read more about matcha you can click here. 

Mate tea, or yerba mate is a South American tea that is known for its very high amount of caffeine and other health effects. For example, they say that the South American soccer players drink a cup of mate tea before big games to perform at peak. Our Monday motivation tea contains mate. 

Caffeine-free tea?

If you are after a tea that doesn't contain caffeine we would recommend Rooibos tea, here is a collection of our Rooibos teas. 

Rooibos tea is actually classed as herbal tea and comes from the rooibos bush in Africa. It is full of good antioxidants and minerals. To read more about Rooibos, click here!

 

About tea Caffeine Health info Information study We B Knowledge Yerba Mate

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