Recent Advances in Medicinal Chemistry

Volume: 1

Indexed in: EBSCO.

Recent advances in Medicinal Chemistry is a book series focused on leading-edge research on developments in rational drug design, synthetic chemistry, bioorganic chemistry, high-throughput screening, ...
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Tannins and their Influence on Health

Pp. 159-208 (50)

Kateřina Macáková, Vít Kolečkář, Lucie Cahlíková, Jakub Chlebek, Anna Hošťálková, Kamil Kuča, Daniel Jun and Lubomír Opletal

Abstract

Natural polyphenols are a wide class of secondary plant metabolites and represent an abundant antioxidant component of human diet. An important, but often neglected, group of natural polyphenols are tannins. This review offers a general description of chemistry of hydrolysable and condensed tannins (proanthocyanidins), and phlorotannins, the mechanisms of their antioxidation action, like free radical scavenging activity, chelation of transition metals, inhibition of prooxidative enzymes and lipid peroxidation. The mechanisms of action of inhibition of various enzyme systems, antibacterial, antiviral, antiprotozoal, anticarcinogenic, antidiabetic, hepatoprotective, cardiovascular system preventing, immunomodulation, antiallergic and anti-inflammatory effects as well as the absorption, metabolic fate and positive in vivo effects of tannins are enclosed.

Keywords:

Adverse effects, biological activity, metabolism, phlorotannins, perspectives, tannins.

Affiliation:

Department of Pharmaceutical Botany and Ecology, ADINACO Research Group, Faculty of Pharmacy, Charles University, Hradec Kralove, Czech Republic.