The bark contains tannins, bioflavonoids that have antioxidant effects, digitalis, calcium carbonate and traces of alkali chlorides. Careful studies have shown that the cortex contains an unusually large number of calcium salts, magnesium salts and a bit of aluminum, about 12% of pyrocatechol, strengthen blood vessel walls, organic acids, saponin triterpid responsible for the diuretic properties of the plant and phytosterols.

The bark is astringent, stimulating the heart and has a toning effect. It is used for bleeding, as well as diarrhea, dysentery and malabsorption syndrome, taking the form of a decoction (1 in 10) in an amount of 15-20 grams per day. It is useful in liver disease, and as an antidote for scorpion stings.


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