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KMID : 0380020150300020069
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Korean Journal of Biotechnology and Bioengineering
2015 Volume.30 No. 2 p.69 ~ p.76
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Study of Effectiveness of Antimicrobial on Restraining Formation of Biofilms on the Surface of Aluminum
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Park Sang-Jun
Oh Young-Hwan
Jo Bo-Yeon
Choi Mi-Yeon
Hyun Min-Woo
Jeong Jae-Hyun
Kim Eui-Yong
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Abstract
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The antibacterial activity of a antimicrobial (organic synthetic or organic natural material) on the bacteria (Bacillus megaterium, Arthrobacter oxydans, Micrococcus luteus, Methylobacterium aquaticum) detected in the automobiles showed 99.9% bacteria decrease rate within 30 min of being in contact with the tested bacteria culture. The MIC of the organic synthetic material based antimicrobials and the organic natural material based antimicrobial on the bacteria were 31~500 mg/mL and 8~250 mg/mL, respectively. The bacteria and biofilms were formed on the surface of aluminum after 5 ~8 days in the case of addition of the organic synthetic material based antimicrobial to the MIC values for the tested bacteria culture. On the other hand, there was no proliferation of bacteria and formation of biofilms on the surface of aluminum even after 30 days in the case of addition of the organic natural material based antimicrobial to the MIC values for the tested bacteria culture. As a result, the organic natural material based antimicrobial was confirmed to be more excellent effect of inhibition of bacterial proliferation and restraint of biofilms formation than the organic synthetic material based antimicrobial.
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KEYWORD
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Antimicrobial, Bacteria, Automobile, Biofilm, MIC (minimal inhibitory concentration)
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