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Antibacterial activity of flavonoids and their structure–activity relationship: An update review

Antibacterial activity of flavonoids and their structure–activity relationship: An update review Based on World Health Organization reports, resistance of bacteria to well‐known antibiotics is a major global health challenge now and in the future. Different strategies have been proposed to tackle this problem including inhibition of multidrug resistance pumps and biofilm formation in bacteria and development of new antibiotics with novel mechanism of action. Flavonoids are a large class of natural compounds, have been extensively studied for their antibacterial activity, and more than 150 articles have been published on this topic since 2005. Over the past decade, some promising results were obtained with the antibacterial activity of flavonoids. In some cases, flavonoids (especially chalcones) showed up to sixfold stronger antibacterial activities than standard drugs in the market. Some synthetic derivatives of flavonoids also exhibited remarkable antibacterial activities with 20‐ to 80‐fold more potent activity than the standard drug against multidrug‐resistant Gram‐negative and Gram‐positive bacteria (including Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus). This review summarizes the ever changing information on antibacterial activity of flavonoids since 2005, with a special focus on the structure–activity relationship and mechanisms of actions of this broad class of natural compounds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Phytotherapy Research Wiley

Antibacterial activity of flavonoids and their structure–activity relationship: An update review

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References (185)

Publisher
Wiley
Copyright
Copyright © 2019 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0951-418X
eISSN
1099-1573
DOI
10.1002/ptr.6208
Publisher site
See Article on Publisher Site

Abstract

Based on World Health Organization reports, resistance of bacteria to well‐known antibiotics is a major global health challenge now and in the future. Different strategies have been proposed to tackle this problem including inhibition of multidrug resistance pumps and biofilm formation in bacteria and development of new antibiotics with novel mechanism of action. Flavonoids are a large class of natural compounds, have been extensively studied for their antibacterial activity, and more than 150 articles have been published on this topic since 2005. Over the past decade, some promising results were obtained with the antibacterial activity of flavonoids. In some cases, flavonoids (especially chalcones) showed up to sixfold stronger antibacterial activities than standard drugs in the market. Some synthetic derivatives of flavonoids also exhibited remarkable antibacterial activities with 20‐ to 80‐fold more potent activity than the standard drug against multidrug‐resistant Gram‐negative and Gram‐positive bacteria (including Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus). This review summarizes the ever changing information on antibacterial activity of flavonoids since 2005, with a special focus on the structure–activity relationship and mechanisms of actions of this broad class of natural compounds.

Journal

Phytotherapy ResearchWiley

Published: Jan 1, 2019

Keywords: ; ; ; ; ;

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