Department of Food Science and Technology, University of Cordoba, Campus de Rabanales, Edificio Darwin, 14014 Córdoba, Spain.
J Food Prot. 2011 Sep;74(9):1504-12. doi: 10.4315/0362-028X.JFP-10-468.
Food safety measures in long-term care facilities (LTCFs) are being improved by the introduction of quality control management systems during food production and by the implementation of good manufacturing practices. This study was conducted in LTCFs (geriatric homes) in Andalusia, Spain, during 2008 and 2009 to evaluate sanitary conditions and the microbiological quality and safety of salads and cooked meat products served. A regulation-based checklist was applied to the evaluated centers. Samples of ready-to-eat foods (n = 60) were examined for mesophilic aerobic bacteria (MAB), total coliforms, coagulase-positive staphylococci (CPS), Escherichia coli, Listeria spp., and Salmonella. In parallel, food contact surfaces (working tables, cutting boards, sinks, and faucets) were swabbed and analyzed for MAB and Enterobacteriaceae. The air quality in processing rooms, near sinks, and in canteens also was measured through an active air sampling method for MAB and Staphyloccocus spp. The results obtained revealed some deficiencies regarding handling practices and sanitary conditions tested (i.e., use and change of gloves, hand washing, and cleanliness of work surfaces). The microbial safety of foods examined indicated the absence of pathogens. Average levels of coagulase-positive staphylococci were below 10² CFU/g, and prevalence of E. coli was 6.3% in samples collected. Surface counts were higher on cutting boards and faucets, indicating insufficient cleanliness procedures. This study provides a descriptive analysis of the sanitary conditions of food service systems in LTCF, and this information can help risk managers to better define control measures needed to prevent foodborne infections.
长期护理机构(LTCF)正在通过引入食品生产过程中的质量管理系统和实施良好生产规范来改善食品安全措施。本研究于 2008 年至 2009 年在西班牙安达卢西亚的 LTCF(老年疗养院)进行,以评估所供应沙拉和熟肉产品的卫生条件以及微生物质量和安全性。评估中心采用了基于法规的检查表。对 60 份即食食品样本进行了需氧嗜温菌(MAB)、总大肠菌群、凝固酶阳性葡萄球菌(CPS)、大肠杆菌、李斯特菌和沙门氏菌的检测。同时,对食品接触面(工作台、砧板、水槽和水龙头)进行了涂抹采样,并对 MAB 和肠杆菌科进行了分析。还通过主动空气采样法对加工室、水槽附近和餐厅的空气质量进行了 MAB 和葡萄球菌的测量。结果表明,在处理操作和测试卫生条件方面存在一些不足(例如手套的使用和更换、洗手和工作表面的清洁度)。所检查食品的微生物安全性表明不存在病原体。凝固酶阳性葡萄球菌的平均水平低于 10² CFU/g,收集的样本中大肠杆菌的检出率为 6.3%。在砧板和水龙头上的表面计数较高,表明清洁程序不足。本研究提供了 LTCF 餐饮服务系统卫生条件的描述性分析,该信息有助于风险管理人员更好地确定预防食源性感染所需的控制措施。