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광주지역 유통 채소류의 Bacillus cereus 오염실태 및 독소 특성
조선주,정소향,서유진,김태순,이향희,이민규,서정미,조배식,김중범,Cho, Sun-Ju,Jeong, So-Hyang,Seo, Yu-Jin,Kim, Tae-Sun,Lee, Hyang-Hee,Lee, Min-Gyou,Seo, Jung-Mi,Cho, Bae-Sik,Kim, Joung-Beom 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.2
The purpose of this study was to investigate the prevalence, toxin gene profiles, and enterotoxin producing ability of Bacillus cereus isolated from environment-friendly vegetables and good agricultural practices (GAP) vegetables. A total of 49 vegetables including 40 environment-friendly vegetables and 9 GAP vegetables were tested. The Vitek 2 system was used to identify B. cereus and the PCR was used to detect 6 toxin genes, respectively. B. cereus was detected in 34 (69.3%) of 49 vegetables and the prevalence of B. cereus in GAP vegetables (44.4%) was lower than in the environment-friendly vegetables (75.0%). The detection rates of entFM, nheA, hblC, and cytK enterotoxin genes, respectively, among all isolates were 100%, 97.0%, 88.2%, and 73.5%, respectively. All of the isolates had at least one or more enterotoxin gene and 20 isolates (58.8%) had hemolysin BL enterotoxin producing ability. The risk of food poisoning from the environment-friendly vegetables and the GAP vegetables has been shown as constant. Thus, it is necessary to expand the supply of GAP vegetables showing lower B. cereus contamination than the environment-friendly vegetables. The characteristics of the environment-friendly vegetables and the GAP vegetables that must be consumed after cleaning should be disseminated to consumers regarding food poisoning prevention.