January 22, 2022

Tannins (polyphenols) or tannins are complex compounds of plant origin that have a pungent taste. They can fill the entire vacuole of the plant cell, which was then called the tannin vacuole. They are found in the trees and leaves of some plants, and they are also contained in green fruits, which therefore have a pungent taste. As the fruits ripen, the amount of tannins in them decreases. In addition to medicine, they have found application in the tanning leather industry. The healing properties of tannins and their use are multiple: have action against bacteria and fungi; they act hemostatic because they narrow blood vessels and create a plug of clotted blood; alleviate and treat dysentery; antidotes are different substances, etc.


Kojić, M, Janjić Vaskrsija: Otrovne biljke, Naučna knjiga, Beograd, 1991. Jančić, R: Botanika farmaceutika, Službeni list SCG, Beograd, 2004.

External links

BioNet school Tannin and wine making! Tannins: fascinating but sometimes dangerous molecules

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