Antimicrobial effect and mechanism of cinnamon oil and gamma radiation on Shewanella putrefaciens
2018
The aims of this study were to observe the antimicrobial effect and mechanism of cinnamon oil combined with gamma radiation on Shewanella putrefaciens. Gamma radiation increased the antimicrobial activity of cinnamon oil, and the relative radiation sensitivity of gamma radiation on S. putrefaciens was increased by cinnamon oil. Gamma radiation significantly increased the changes of bacterial morphology, intra-adenosine 5′-triphosphate (intra-ATP) and extra-ATP concentrations and pHin value of S. putrefaciens treated cinnamon oil. Although, gamma radiation used alone didn’t damage the bacterial morphology and ATP concentrations significantly. Gamma radiation assisted cinnamon oil to damage the cell permeability and integrity of S. putrefaciens, thus the combination of cinnamon oil and gamma radiation showed a better antimicrobial activity than used alone.
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