Coffee: beneficial properties and contraindications. –

Benefits and risks for people after drinking coffee, one of the most widely used natural substances in the world.

In the world coffee it is among the most widely used substances ever. Its intake can be beneficial to the human body, but its abuse can also lead to serious consequences. This is how it works and why it is not recommended for children and those who receive special medical treatment.

What is coffee?

Coffee is a plant of the genus Coffea (of the family Rubiacee) from whose roasted and ground seeds the drink of the same name is obtained. Of the 40 species of Coffea, the most valuable is Coffea arabica, but Coffea robusta is grown and also used extensively (often Arabica coffee powder and robusta are mixed to get mixtures of different flavors).

Coffee grows well in places with average annual temperatures between 15 and 25 ° C; it prefers rich and permeable soil and abundant rain alternating with periods of drought. Coffee plants are currently grown mainly in South America, Africa, India and Southeast Asia.
Different types of coffee can be prepared with the coffee powder: espresso coffee, coffee brewed with suede, American coffee, Turkish coffee.

A cup of espresso coffee contains an average of 25-35 ml of coffee; a cup of coffee prepared at home with moka pot about 50 ml; a cup of American coffee about 200-250 ml.

What are the nutritional properties?

An average of 6 g of powder is used to prepare a cup of coffee. 100 grams of ground coffee (mixture of Arabica and Robusta) provides about 287 calories and contains about:

  • 4 g of water;
  • 10 g protein;
  • 15 g lipids;
  • 28 g carbohydrates;
  • 130 mg calcium;
  • 4 mg iron;
  • 160 mg phosphorus;
  • 2020 mg potassium;
  • 74 mg sodium;
  • 0.2 mg vitamin B2 or riboflavin;
  • 10 mg vitamin B3 or Niacin.

Depending on the mixture (Arabica or Robusta), coffee contains 1-2 g of caffeine per 100 g of coffee powder. A cup of coffee prepared with about 6 g of powder contains – depending on the preparation method (espresso or moka) and depending on the type of mixture – from 50 to 120 mg of caffeine.

When not to drink coffee?

Coffee can also significantly interfere with the absorption of alendronate (a drug used for osteoporosis) and can reduce the effectiveness of iron supplements.

Quinolone antibiotics, on the other hand, can increase caffeine uptake: in all these cases, it is therefore a good idea to consult a doctor before consuming this drink. Coffee is also contraindicated if you suffer from hyperthyroidism and glaucoma or medical conditions that affect the intestines, stomach, liver, heart, kidneys, pancreas, nervous system. This drink should not be drunk by children.

Access to coffee

Coffee is easily available in all companies and in vending machines for hot drinks. The coffee powder for home preparation of the drink is easily available all year round.

Possible benefits and contraindications
Coffee can stimulate the central nervous system, reduce the feeling of sleep and increase the feeling of well-being. Its tonic and stimulating effects are also perceived on the heart and at the level of mental functions, with the improvement of mnemonic abilities and the increase in the ease of reasoning. The stimulating effect of coffee is also perceived on the digestive activity because it stimulates the stomach and bile secretion. In addition, coffee reduces appetite and reduces the feeling of hunger. It has important antioxidant properties and according to several studies anti-inflammatory properties. It can act as a painkiller for headaches.

The tolerability of this drink varies from person to person: when the tolerability threshold is exceeded, the negative effects range from palpitations and arrhythmias, to tremors, through insomnia, stomach acid and hyperexcitability. Too much coffee can also lead to depression and high blood pressure. It can cause or worsen gastritis and gastric reflux.

Given its neurostimulatory effect, this drink is unsuitable for consumption by children.


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