2016~2018年市售242件婴幼儿米粉微生物污染情况调查  

Investigation on microbial contamination of 242 infant rice flours sold in Yuxi from 2016 to 2018

作　　者：吴林蔚 杨祖顺[2] 丁超[3] 李旭东[1] 向正华[1] 马惘卿 罗珠珠 陶婷婷 WU Lin-Wei;YANG Zu-Shun;DING Chao;LI Xu-Dong;XIANG Zheng-Hua;MA Wang-Qing;LUO Zhu-Zhu;TAO Ting-Ting(Yuxi Center for Disease Control and Prevention,Yuxi 653100,China;Yunnan Center for Disease Control and Prevention,Kunming 650022,China;College of Food Science and Engineering,Nanjing University of Finance and Economics,Nanjing 210023,China;Jiangsu Key Laboratory of Food Quality and Safety-State Key Laboratory Cultivation Base,Ministry of Science and Technology,Nanjing 210014,China)

机构地区：[1]玉溪市疾病预防控制中心,玉溪653100 [2]云南省疾病预防控制中心,昆明650022 [3]南京财经大学食品科学与工程学院,南京210023 [4]江苏省食品质量安全重点实验室—省部共建国家重点实验室培育基地,南京210014

出　　处：《食品安全质量检测学报》2020年第5期1679-1686,共8页Journal of Food Safety and Quality

摘　　要：目的了解玉溪市售国产婴幼儿营养米粉的卫生状况。方法采用国家标准方法对242件玉溪市市售的婴幼儿营养米粉进行细菌总数、大肠菌群、肠杆菌科、克罗诺杆菌属及蜡样芽胞杆菌检测分析。结果本次采集的婴幼儿米粉样品的合格率为74.38%;大肠菌群指标均未超标;7件米粉样品细菌总数超标,占比8.54%;58件样品检出克罗诺杆菌属,阳性率为23.97%;10件样品检出蜡样芽胞杆菌,阳性检出率为4.13%。一季度生产的样品合格率最低,产自中国福建、广西、湖南、浙江及美国、西班牙、英国、日本和欧洲其他地区的米粉样品合格率最高,采自零售店及包装形式为散装的样品合格率最低。结论2016至2018年玉溪市市售婴幼儿米粉中部分样品细菌总数超标,存在克罗诺杆菌属污染,可能会导致婴幼儿感染。Objective To understand the hygienic condition of domestic retail infant rice flour in Yuxi.Methods Total 242 samples of infant rice flour were collected during 2016 to 2018 for monitoring aerobic bacteria count,Coliform count,Enterobacteriaceae,Cronobacter spp.and Bacillus cereus by national standard method.Results From 2016 to 2018,the pass rate of retail infant rice flour samples in Yuxi was 74.38%.There were no samples out of limitation of Coliform counts.The total number of bacteria in 7 samples exceeded the standard,according for 8.54%.Cronobacter spp.was detected in 58 samples with a positive rate of 23.97%.Bacillus cereus detected in 10 samples with a positive detection rate of 4.13%.The lowest qualified rate of samples produced in the first quarter.Rice flour samples from Fujian,Guangxi,Hunan,Zhejiang of China,and the United States,Spain,the United Kingdom,Japan and other Europe regions had the highest pass rate.Rice flour samples taken from retail stores and packaged in bulk had the lowest pass rate.Conclusion The total number of bacteria in some samples of rice flour during the year from 2016 to 2018 in Yuxi exceeded the standard,and Cronobacter spp.contamination may cause infection in infants and young children.

关 键 词：婴幼儿米粉 肠杆菌科 克罗诺杆菌属 蜡样芽胞杆菌 污染水平 

分 类 号：R155.5[医药卫生—营养与食品卫生学]