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KMID : 0881720160310030201
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Journal of Food Hygiene and Safety
2016 Volume.31 No. 3 p.201 ~ p.209
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Monitoring of Microbial Contamination in Air Purifier for Preventing Cross-contamination
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Yeom Seung-Mok
Kim Young-Mog
Lee Myung-Suk
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Abstract
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Many atmospheric pollutants including chemical agents, house dust, and microorganisms cause building-related illnesses through respiration in humans. This study was conducted to analyze the profiles of microbial pollutants in air purifiers used in home, office and playschool. Dominant eleven species of microorganisms were isolated and identified in environmental air and air purifiers. Among them, Staphylococcus sp., Micrococcus sp. and Bacillus sp. are the most dominant species. By phylogenetic analysis of the 16S rRNA gene, the dominant bacteria were identified as Staphylococcus epidermidis, Micrococcus luteus and Bacillus epidermidis, respectively. It has been known that these bacterial species are closely related with food spoilage and human infectious disease. Thus, these results indicate that microbial pathogens related with human illnesses through respiration will be contaminated in air purifiers and also need to develop a method to control those of pathogens for human health.
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KEYWORD
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air solution product, analysis, contamination, microbial pathogens
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