Antibacterial activity and mechanism of cinnamon essential oil against Escherichia coli and Staphylococcus aureus

Zhang, Yunbin; Liu, Xiaoyu; Wang, Yifei; Jiang, Pingping; Quek, Siew Young

doi:10.1016/j.foodcont.2015.05.032

Cited by 667 publications

(384 citation statements)

References 45 publications

(1 reference statement)

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“…S. aureus, is a Gram-positive bacterium which possess single peptidoglycan layer structure, allowing sulfadiazine to easily penetrate their cell walls to interfere in its metabolic pathway. E. coli, as a Gram-negative bacterium, has a thick layer of lipopolysaccharide outer membrane covering the cell wall, which lead more resistant to hydrophobic substance (Zhang, Liu, Wang, Jiang, & Quek, 2016). The results reported in this study are consistent with other works on bactericidal action of AgSD (Fajardo et al, 2013).…”

Section: Antibacterial and Antifungal Activitiessupporting

confidence: 92%

Development of silver sulfadiazine loaded bacterial cellulose/sodium alginate composite films with enhanced antibacterial property

Shao

Liu

et al. 2015

Carbohydrate Polymers

137

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Section: Antibacterial and Antifungal Activitiessupporting

confidence: 92%

Development of silver sulfadiazine loaded bacterial cellulose/sodium alginate composite films with enhanced antibacterial property

Shao

Liu

et al. 2015

Carbohydrate Polymers

137

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“…Zhang et al . () demonstrated that cinnamaldehyde could lead to a leakage of electrolytes, causing a rapid increase in the electric conductivity of Escherichia coli . Diao et al .…”

Section: Discussionmentioning

confidence: 99%

Carvacrol and eugenol effectively inhibitRhizopus stoloniferand control postharvest soft rot decay in peaches

Zhou

Wang

et al. 2017

J Appl Microbiol

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Aims: This study aimed to investigate the antifungal mechanism of carvacrol and eugenol to inhibit Rhizopus stolonifer and the control of postharvest soft rot decay in peaches. Methods and Results: To investigate the antifungal mechanism, the effects of carvacrol and eugenol on the mycelium growth, leakages of cytoplasmic contents, mycelium morphology, cell membrane and membrane composition of R. stolonifer were studied. Carvacrol and eugenol both exhibited dosedependent antifungal activity against R. stolonifer, carvacrol at a concentration of 2 ll per plant and eugenol at a concentration of 4 ll per plant inhibited fungal growth completely. The two essential oils (EOs) increased cell membrane penetrability and caused the leakage of cytoplasm, nucleic acid and protein content. The observation using scanning electron microscopy and fluorescent microscopy showed modification of the hyphal morphology and breakage of the cell plasma membrane. Decreased ergosterol contents confirmed that the two EOs could destroy the membrane of R. stolonifer. For the in vivo test, the inhibition of soft rot disease and the induction of defencerelated enzymes were investigated. Carvacrol and eugenol significantly reduced the incidence and severity of soft rot decay in inoculated peaches. The best treatments for controlling soft rot decay were obtained at 0Á5 ll l À1 for carvacrol and 1 ll l À1 for eugenol. The activities of defence-related enzymes in peaches were also enhanced by fumigation with two EOs. Conclusion: This study showed that carvacrol and eugenol could effectively inhibit the growth of R. stolonifer in vitro and successfully control the incidence of soft rot decay in honey peaches. Significance and Impact of the Study: The above findings may be the main antifungal mechanism of carvacrol and eugenol on R. stolonifer. Furthermore, carvacrol and eugenol are helpful for their commercial application on the preservation of fresh fruit.

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“…The effect of HBA/M‐β‐CD on permeability of cell membranes was also evaluated by measuring the release of nucleic acids into cell suspension. The detection of absorbance at 260 nm can be used to estimate the amount of nucleotides released from cytoplasm (Huang, Qian, Xu, & Huang, ; Xu et al, ; Zhang, Liu, Wang, Jiang, & Quek, ). Figure shows the results of treating bacteria with different concentrations of the HBA/M‐β‐CD inclusion complex for lengths of time ranging up to 150 min.…”

Section: Resultsmentioning

confidence: 99%

Antibacterial activity of a hexahydro‐β‐acids/methyl‐β‐cyclodextrin inclusion complex against bacteria related to foodborne illness

Zhao

Liu

2019

Journal of Food Safety

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In this study, we investigated the antibacterial activity of hexahydro‐β‐acids/methyl‐β‐cyclodextrin inclusion complex (HBA/M‐β‐CD) and researched its antibacterial mechanism against Staphylococcus aureus and Enterobacter sakazakii. The result showed that bacteria had different sensitivities to HBA/M‐β‐CD with diameters of inhibition zones ranging from 7.8 ± 0.5 to 14.8 ± 0.7 mm and minimum inhibitory concentration (MIC) values from 16.25 to 65.00 μg/mL. Among these bacteria, S. aureus (G(+)) and E. sakazakii (G(−)) were most sensitive to HBA/M‐β‐CD, and MIC value is 16.25 and 32.50 μg/mL, respectively. Also, HBA/M‐β‐CD had potential inhibition effect on the bacterial growth of S. aureus and E. sakazakii. Moreover, the treatment with HBA/M‐β‐CD led to a release of cell contents into the culture medium, indicating damage to the plasma membrane. Scanning electron microscopy revealed permeabilization of S. aureus membranes, and shrinkage and roughening of E. sakazakii cells. HBA/M‐β‐CD also reduced the activity of succinate dehydrogenase (SDH) in bacterial cultures, indicating that HBA/M‐β‐CD interfere key enzyme metabolism. Practical Applications In the actual food system of western‐style ham sausage, HBA/M‐β‐CD revealed a great antibacterial effect to control the total bacteria count, and could stabilize the pH value. The result provided the theoretical and practical basis for the application of HBA/M‐β‐CD in foods.

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Antibacterial activity and mechanism of cinnamon essential oil against Escherichia coli and Staphylococcus aureus

Cited by 667 publications

References 45 publications

Development of silver sulfadiazine loaded bacterial cellulose/sodium alginate composite films with enhanced antibacterial property

Development of silver sulfadiazine loaded bacterial cellulose/sodium alginate composite films with enhanced antibacterial property

Carvacrol and eugenol effectively inhibitRhizopus stoloniferand control postharvest soft rot decay in peaches

Antibacterial activity of a hexahydro‐β‐acids/methyl‐β‐cyclodextrin inclusion complex against bacteria related to foodborne illness

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