31 120-121 食品安全 2 20090821广州秋季市售生蚝微生物污染状况调查3960A-X20090092.pdfVIP

现代食品科技 Modern Food Science and Technology 2010, Vol.26, No.1 广州秋季市售生蚝微生物污染状况调查 蔡俊鹏，孙丽滢 （华南理工大学轻工与食品学院，广东广州 510640 ） 摘要：目的是了解广州秋季市售生蚝微生物污染状况。按照GB/T 4789- 2003 《食品卫生微生物学检验》对样品进行微生物检测，结果发现秋季市售生蚝的微生物污染状况比较严重，菌落总数和大肠 菌群指标均出现严重超标，超标率分别达到68%和78% ，即使在温度偏低的11月份超标现象仍较严重。所检样品中，弧菌超标 更为严重，3个月弧菌的检出率则高达90%。结论是广州市售生蚝的微生物污染状况严重，建议消费者不要生食或使用未煮熟 的生蚝。 关键词：微生物污染；细菌总数；大肠菌群；弧菌；生蚝 文章编号：1673-9078(2010)1-120-2 Investigation of Microbial Contaminations in Retail Oysters Available in Guangzhou market in Autumn CAI Jun-peng, SUN Li-ying (College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640, China) Abstract: The microbial contaminations in retail oysters available in Guangzhou market in autumn was investigated by using the national standard method GB/T 4789-2003. Results showed that microbial contaminations in retail oysters in autumn in Guangzhou market were widespread in a serious state. Total plate count in 68% samples examined exceeded the limit set by Europe Union, whereas coliform counts in 78% samples examined exceeded the related limit set by Europe Union. Although the weather was becoming cold in November, microbial contamination was still widespread. Within this three-month examination months, the detection rate of vibrio species was as high as 90%. Hence, it was suggested that consumers should not eat raw or undercooked oysters. Keywords: microbial contamination, total plate count, coliform groups, vibrio species, oysters 120 蚝，又名牡蛎，为牡蛎科动物牡蛎及其近 弧菌类总数检测采用TCBS琼脂培养基进 [5] 缘动物的全体，是海产贝壳。亚热带、热带 行选择性培养 。 沿海都适宜蚝的养殖，在我国分布很广。近