Catechins (catechin, epicatechin, gallocatechin, epigallocatechin, epicatechin gallate, epigallocatechin gallate) are a group of antioxidant substances belonging to the flavonoid category. Contained above all in tea and in particular in the green one - where they represent about 20-30% of the dry weight - they help to support cardiac functions and contribute to maintaining a good state of health. Further sources of catechins are represented by cocoa, chocolate and wine; they are also well represented in the vegetable kingdom (fruit and vegetables).
More catechins equals lower incidence of cardiovascular and cancer diseases. This equation, which emerged from various researches conducted to investigate the role of flavonoids in human nutrition, is attributable to their aforementioned antioxidant action. Once introduced into the body, the catechins act by blocking those molecular fragments known as free radicals that can damage proteins. and DNA (favoring the onset of tumors) but also the formation, inflammation and breakdown of cholesterol plaques that undermine the health of the arteries and the whole organism (the so-called atheromas).
In addition to having a "direct antioxidant action, catechins enhance other antioxidant systems, such as those in which vitamin E is involved. Research shows that catechins have additional health benefits, thanks to their hepatoprotective, immunostimulating properties and positive effects. on blood circulation and blood pressure.
Obviously, catechins, by themselves, are not enough to explain the positive effects associated with the regular consumption of fruit, vegetables and green tea. These foods carry out their positive action on health for other reasons as well; in fact, in addition to increasing the sense of satiety and reducing the introduction of harmful foods (sweets, fast food, fatty meats, fried foods, cured meats, etc.), they contain many other protective substances that combine synergistically to make them important to prevent many diseases and stay longer This is the reason why attempts to administer these substances individually through specific supplements have often yielded disappointing results.
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