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題名 | 供膳人員糞便檢體中之金黃色葡萄球菌及仙人掌桿菌的帶菌率=Carrier Rates of Staphylococcus aureus and Bacillus cereus in Stool Samples of Catering Staff |
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作者 | 張馨予; 陳詩涵; 蔡文城; | 書刊名 | 檢驗及品保雜誌 |
卷期 | 9:3 2020[民109] |
頁次 | 頁132-138 |
分類號 | 412.25 |
關鍵詞 | 除四菌政策; 金黃色葡萄球菌; 仙人掌桿菌; 蠟樣芽胞桿菌; 廚工; Four bacteria removal policy; Staphylococcus aureus; Bacillus cereus; Catering staff; |
語文 | 中文(Chinese) |
中文摘要 | 學校常常發生食品中毒,台北市政府為降低營養午餐的食品中毒發生率而推行「除四菌」政策,由於營養午餐受到廚工或供膳人員汙染是導致食品中毒的常見原因,因此,規定業者應定期對供膳人員的糞便檢查四種細菌[沙門氏菌(Salmonella spp.)、志賀氏菌(Shigella species)、金黃色葡萄球菌(Staphylococcus aureus)和仙人掌桿菌(Bacillus cereus;蠟樣芽胞桿菌)]的帶菌情形。有關供膳人員之沙門氏菌及志賀氏菌帶菌情形已有報告,本研究將調查金黃色葡萄球菌與仙人掌桿菌的帶菌率,利用嗜氧運送管蒐集餐盒業者供膳人員的糞便檢體,將檢體接種於blood agar plate(BAP),在35℃下培養20~24小時後,將所生長的疑似菌落,利用基質輔助雷射脫附游離飛行質譜儀(matrix-assisted laser desorption ionization-time of flight mass spectrometry, MALDI-TOF MS)進行分析。分離株若鑑定為金黃色葡萄球菌,需要確認時則操作觸酶試驗及乳膠凝集試驗;若鑑定為仙人掌桿菌群,則接種SIM培養基及操作其它必要的追加試驗,將仙人掌桿菌與菌群內其它芽胞桿菌成員區分。從2017年1月1日起至2020年3月止,共檢驗16,241件糞便檢體,結果顯示廚工及供膳人員的金黃色葡萄球菌及仙人掌桿菌之帶菌率分別為0.82% (133/16,241)及9.10%(1,471/16,241)。此結果建議有必要繼續對學校營養午餐推動「除四菌」政策,以減少食品中毒發生率至最少程度。 |
英文摘要 | Food poisoning occurs frequently in schools. In order to reduce the chance of food poisoning from lunch meals in schools, the Taipei City Government has implemented the "Four Bacteria Removal" policy. As contamination of meals by chefs or catering staff is a common cause of food poisoning, their stool samples were periodically examined for the four kinds of bacteria, including Salmonella sp., Shigella sp., Staphylococcus aureus, and Bacillus cereus. Since the carrier rates of Salmonella and Shigella in catering staff have been reported, this study investigated the carrier rates of Staphylococcus aureus and Bacillus cereus. An aerobic transport medium was used to collect stool specimens from kitchen workers and catering staff of lunch meal manufacturer. The stool specimens were liquefied and then inoculated on blood agar plate (BAP). After being incubated at 35℃for 20~24 hours, suspected S. aureus and B. cereus colonies were analyzed by matrix-assisted laser desor ption ionization-time of flight mass spectrometry (MALDI-TOF MS). If an isolate was identified as B. cereus group, it was inoculated in SIM medium and performed other necessary supplemental tests in order to differentiate B. cereus from other members of B. cereus group. To confirm S. aureus identification, catalase and latex agglutination tests were performed. From January 2017 to March 2020, a total of 16,241 stool specimens were tested, and the carrier rates of S. aureus and B. cereus in catering staff were determined to be 0.82% (133/16,241) and 9.10% (1,471/16,241), respectively. This result suggests the necessity to continue the "Four Bacteria Removal" policy for school meals in order to minimize food poisoning incidences. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。