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Updated: Mar 22, 2026

Quantitative 31P NMR Analysis of Lignins and Tannins
Published on: August 2, 2021
Scope of Hydrolysable Tannins as Possible Antimicrobial Agent
Sanmuga Priya Ekambaram1, Senthamil Selvan Perumal1, Ajay Balakrishnan1
1Department of Pharmaceutical Technology, Anna University BIT Campus, Tiruchirappalli, 620 024, Tamilnadu, India.
Abstract:
Hydrolysable tannins (HTs) are secondary metabolites from plants, which are roughly classified into gallotannins and ellagitannins having gallic acid and ellagic acid residues respectively attached to the hydroxyl group of glucose by ester linkage. The presence of hexahydroxydiphenoyl and nonahydroxyterphenoyl moieties is considered to render antimicrobial property to HTs. HTs also show considerable synergy with antibiotics. Nevertheless, they have low pharmacokinetic property. The present review presents the scope of HTs as future antimicrobial agent. Copyright © 2016 John Wiley & Sons, Ltd.
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