Zdrowotne oddziaływanie polifenoli zielonej herbaty (Camellia Sinensis L.)

• Authors: Anna Nowak , Adam Klimowicz

Title variants

EN

The beneficial effect of green tea polyphenols on human health.

• Languages of publication: PL EN

Abstracts

PL

Zielona herbata jest uzyskiwana z liści rośliny Camellia sinensis L. Jest jednym z najbardziej popularnych (obok wody) napojów spożywanych na świecie. Działanie zdrowotne zielonej herbaty, przypisywane polifenolom obecnym w suchej masie w około 20-40%, sprawia, że stanowi ona około 20% ogólnej ilości spożywanej herbaty (czarnej, czerwonej, żółtej itp.). Skład chemiczny tej odmiany jest taki sam w świeżych, jak i w suszonych liściach. Do podstawowych składników zaliczany galusan-3-epikatechiny, epigalokatechinę oraz galusan-3-epigalokatechiny. Ponadto zawiera kofeinę, teobrominę, teofilinę oraz inne ważne składniki jak aminokwasy, minerały, węglowodany, lipidy i witaminy. Po spożyciu zielonej herbaty zarówno w formie napoju jak i suchego wyciągu stwierdzono obecność polifenoli w krążeniu ogólnym. Regularna jej konsumpcja może wywierać działanie antyoksydacyjne, przeciwnowotworowe, przeciwbakteryjne, przeciwwirusowe oraz przeciwzapalne. Dodatkowo katechiny zawarte w zielonej herbacie mogą wpłynąć przynajmniej w wysokich dawkach na utrzymanie prawidłowej masy ciała u ludzi. Podsumowując, często spożywana zielona herbata może wywierać korzystny wpływ na ludzkie zdrowie.

EN

Green tea is a beverage made from the leaves of Camellia sinensis plant. It is the most popular, next to water, consumed liquid in the word. Due to the health promoting effect of green tea, attributed mainly to the high content of polyphenols (20-40 percent in dry mass), its consumption contributes about 20 percent to the world tea's consumption. The chemical composition of green tea and the fresh leaves is similar and consists of four kinds of basic polyphenols: epicatechin-3-gallate, epigallocatechin and epigallocatechin-3-gallate. In addition, there are present caffeine, theobromine and theophylline; also trace amounts of amino acids, minerals, carbohydrates, lipids and vitamins can be found. Tea polyphenols are bioavailable in the systemic circulation after administration of green tea as a beverage or as an oral product. The regular consumption of green tea as the beverage may lead to health benefits including antioxidant action, prevention of cancer, and antibacterial, antiviral as well as antiinflamatory effects. Moreover, green tea catechins, at least at high doses, may help to retain proper body weight. To sum up, the green tea seems to have a number of beneficial effects on the human health.

• Journal: Kosmos
• Year: 2013
• Volume: 62
• Issue: 1
• Pages: 87-93

Dates

published

2013

Contributors

author

Anna Nowak

author

Adam Klimowicz

• Samodzielna Pracownia Farmakoterapii Dermatologicznej Pomorski Uniwersytet Medyczny w Szczecinie Powstańców Wlkp. 72, 70-111 Szczecin, Polska

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