Earticle

초록

영어

Biofilm formation on various surfaces is a well-known phenomenon and it has caused pollution problems, health and safety hazards, and substantial economic loss in many areas including the food industry. In the present study, Gamma irradiation at a dose of 2.0 kGy reduced the bacterial counts of Staphylococcus aureus and Pseudomonas aeruginosa suspensions by 6.7 and >6.5 log CFU/mL, respectively, and 30 ppm of sodium hypochlorite effectively reduced the counts of both bacterial suspensions to below the limit of detection ($<2\;log\;CFU/cm^2$). However, in bacterial biofilms attached to stainless steel, gamma irradiation at a dose of 10.0 kGy reduced the counts of S. aureus attached fur 1 hr and overnight by ≥5.1 and log CFU/cm2, respectively. Gamma irradiation at a dose of 1.0 kGy reduced the counts of P. aeruginosa counts to below the limit of detection ($<2\;log\;CFU/cm^2$). On the contrary, S. aureus and P. aeruginosa cells attached to stainless steel chips were difficult to eliminate using sodium hypochlorite. Four hundred ppm of sodium hypochlorite reduced the counts of S. aureus and P. aeruginosa attached for 1 hr by 2.5 and 3.3 log CFU/cm2, respectively.

목차

Abstract
 Introduction
 Materials and Methods
 Results and Discussion
 References

키워드

저자

• Kim, Jang-Ho [ Bio Technology Regional Innovation Center, Youngdong University ]
• Jo, Cheo-Run [ Department of Animal Science and Technology Chungnam National University ]
• Rho, Yong-Taek [ Bio Technology Regional Innovation Center, Youngdong University ]
• Lee, Chun-Bok [ Department of Biology, Kyungsung University ]
• Byun, Myung-Woo [ Radiation Food Science and Biotechnology Team, Advanced Radiation Technology Institute ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  Food Science and Biotechnology

• 간기

  격월간

• pISSN

  1226-7708

• 수록기간

  1992~2009

• 십진분류

  KDC 574 DDC 664