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. 2022 Mar 14;9:445–469. doi: 10.1016/j.toxrep.2022.03.011

Table 12.

List of flavonoids with antimicrobial effect and their mechanism of action.

Flavonoids Mode of action References
Silymarin Inhibit ATP synthase [75]
Chalcon Inhibit NADH-cytochrome c reductase activity [86]
Quercetin Inhibit refflux pumps
Decrease lipid peroxide
Inhibit DNA gyrase and protein kinase
Disrupt cell membrane
[46]
[242]
[257]
Apigenin Inhibit peptidoglycan crosslinking
Inhibit dehydratase and protein kinas
[242]
Naringenin Disrupt membrane
Inhibit nucleic acid synthesis
[64]
Epicatechin Inhibit dihydrofolate reductase
Inhibit quorum sensing
Cushnie et al., 2011
Myricetin Inhibit helicase [239]
Luteolin Inhibit topoisomerase [272]
[79]
Kaempferol Inhibit bacterial virulence [176]
Taxifolin Inhibit peptidoglycan synthesis and fatty acid synthase [76]
Glabridin Inhibit DNA gyrase and dihydrofolate reductase [17]
Emodin DNA damage [63]
Catechin Disrupt cell membrane
Damage cytoplasmic membrane by perforation
[217]