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시판 횟감어류에서의 Vibrio parahaemolyticus 분포 및 항생제 감수성에 관한 연구
성창현 ( Chang Hyeon Sung ),천정환 ( Jeong Hwan Cheon ),현지연 ( Ji Yeon Hyeon ),황인균 ( In Gyun Hwang ),곽효선 ( Hyo Sun Kwak ),윤상현 ( Sang Hyeon Yoon ),이정수 ( Jeong Soo Lee ),정윤희 ( Yun Hee Chung ),송광영 ( Kwang Young 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.3
Vibrio parahaemolyticus (V. parahaemolyticus) has been recognized as a significant food-borne pathogen around the world. In this study, we investigated the prevalence and antimicrobial resistance of V. parahaemolyticus isolated from raw fishes. A total of 64 samples of raw fishes purchased from a traditional seafood market in Seoul, Korea. were examined for the presence of V. parahaemolyticus using intestines, gills, and fins. Twenty five grams of all samples were enriched in 225ml of alkaline peptone water at 37℃ for 24h and then streaked onto thiosulfate citrate bile sucrose agar. Suspected colonies were inoculated into triple sugar iron agar for biochemical screening test and were finally confirmed with API 20NE strip. Antimicrobial resistance tests were performed with disc diffusion method in accordance with National Committee for Clinical Laboratory Standard. Thirty three V. parahaemolyticus strains were isolated from raw fishes among 33 out of 64 (51.6%). Among 33 isolates, 16 isolates (48.5%) were resistant to ampicillin, 7 isolates (21.2%) were resistant to amikacin, and all isolates were not resist to other antibiotics such as amoxicillin & clavulanic acid, sulfamethoxazole & trimethopenem, ciprofloxacin, cefotaxime and cefepime. Although the prevalence of V. parahaemolyticus was high in raw fishes compared to other studies, antimicrobial resistance rate of the isolates was relatively low. These results could be useful information for risk assessment of V. parahaemolyticus in raw fishes.
즉석섭취편의식품류에서 Staphylococcus aureus 정량검출을 위한 배지검출법과 TEMPO(R) 방법과의 비교검증
송광영(Kwang Young Song),천정환(Jung Whan Chon),김혜성(Hye Sung Kim),김윤경(Youn Gyeong Kim),김동현 (Dong Hyeon Kim),성창현(Chang Hyeon Sung),현지연(Ji Yeon Hyeon),박준호(Jun Ho Park),이종익(Jong Ik Lee),서건호(Kun Ho Seo) 한국예방수의학회 2011 예방수의학회지 Vol.35 No.4
The aim of this study was to evaluate the TEMPO(R) STA automated most probable number (MPN) system for the enumeration of Staphylococcus aureus (S. aureus) in comparison with a standard culture method. Artificially inoculated food products with S. aureus - triangle kimbap, sliced spring onion, dried filefish fillet, danpatjuk (sweet red-bean porridge with small rice dumplings)- were tested in this study. Twenty-five grams of each of food samples were added into 225 ㎖of sterilized phosphate buffered saline in a TEMPO(R) stomacher bag followed by stomaching for 2 min. One milliliter of the stomached sample was added to a bottle of culture medium. Cards were filled and sealed in the automated filler and then were incubated for 24 h at 37℃. After incubation, the cards were placed in the automated TEMPO(R) reader and MPN results were generated. For comparison with a culture method, decimal dilutions were prepared from the same homogenized samples described above, transferred onto Baird Parker and Baird Parker-Rabbit Plasma Fibrinogen (BP-RPF) agar plates, and then incubated at 37℃ for 24 h. The performance of TEMPO(R) STA method is equivalent to the culture method using Baird Parker or BP-RPF agar count plate for the enumeration of S. aureus in foods, eliminating a time-consuming and laborious process.