Search
logo
Search
The article is in preview mode

How many calories does tea have?

Homepage Articles How many calories does tea have?

How many calories does tea have?

Tea is valued not only for its taste and smell but also for its healing effects on human health. Tea is the most popular beverage in the world. It's time to learn more about it. There are several varieties, including black, red, green, and white.

Table of Contents

1. Tea has a chemical composition

Fresh leaves are composed of 25% carbohydrates, 15% protein and 2% fat, but the beneficial properties of tea stews are attributed to substances such as polyphenols, garlic, theophylline, theobromine and caffeine. The chemical composition of tea depends on its type. They also contain vitamins (group B, C and K) and mineral ingredients (calcium, manganese, iron, potassium, silk, phosphorus and iodine).

2. Tea as a source of manganese

It is also essential for the building of bones and the production of red blood cells. The table below shows the content of manganese in various types of tea. This element is very important for the body because it is involved in the metabolism of carbohydrates, proteins and fats and the body's defense reactions. It also plays an important role in reproductive processes and the functioning of the nervous system.

3. Average manganese content [mg/100 g] in different types of tea

Torebkov Leaflet 41, 0 ± 18, 0 62, 2 ± 34, 2 Tirebkov leaflet 92, 1 ± 37, 3 98, 1 ± 34, 3 Toreebkov leavlet 74, 5 ± 12, 5 74,5 ± 12,5 Source: Brzecha-Cirok J., Grembeck M., Shefer P., Tea as a source of manganese in the daily diet of humans, Bromatology and Toxicological Chemistry 2016, 49(3), 234237.

4. Black tea as a source of caffeine

In addition to its stimulating properties, this alkaloid also exhibits urinary properties. Of all teas, black tea contains the highest amount of caffeine.

5. Green tea as a source of antioxidants

Polyphenols have a particularly positive effect on human health, including: lowering the levels of so-called bad cholesterol, promoting the reduction of fat tissue, thereby contributing to weight loss, ?? neutralizing excess free radicals, reducing the risk of cardiovascular disease and some cancers. To get rich in these valuable compounds, the tea must be soaked in water at 80°C and stored for 10 minutes. In addition to ascorbic acid, it contains other antioxidants such as flavonoids and ketones.

Category:
Source

Błaszak B. et al., Wpływ sposobu przygotowania zielonej herbaty na zawartość składników aktywnych, „Inżynieria Przetwórstwa Spożywczego” 2017, 1(21), 9–12.
Bojarowicz H., Przygoda M., Kofeina. Cz. 1. Powszechność stosowania kofeiny oraz jej działania na organizm, „Problemy Higieny i Epidemiologii” 2012, 93(1), 8–13.
Brzezicha-Cirocka J., Grembecka M., Szefer P., Herbata jako źródło manganu w codziennej diecie człowieka, „Bromatologia i Chemia Toksykologiczna” 2016, 49(3), 234–237.
Ciborowska H., Rudnicka A., Dietetyka. Żywienie zdrowego i chorego człowieka, Warszawa 2010, 164.
Matysek-Nawrocka M., Cyrankiewicz P., Substancje biologicznie aktywne pozyskiwane z herbaty, kawy i kakao oraz ich zastosowanie w kosmetykach, „Postępy Fitoterapii” 2016, 17(2), 139–144.