上海市餐饮服务单位食用油安全现况调查

[目的]了解上海市餐饮服务单位食用油采购、使用和废弃油脂回收处理情况,结合现场快速检测结果综合评价食用油安全状况,为监管部门规范企业食用油使用和废弃油脂处理提供参考。[方法]通过分层抽样方式抽取上海市各类型餐饮服务单位976户,采用自制调查问卷调查其食用油采购、使用和废弃油脂回收处理情况,利用现场快速检测技术,对未使用预包装食用油、使用过程中的煎炸用油的酸价、过氧化值、极性组分等项目现场快速检测。[结果]全市餐饮服务单位食用油使用量约1 235 t/d;6.0%的企业采购散装食用油,其消费量占总食用油消耗量的5.6%;废弃油脂由专业油脂回收企业回收的签约率为44.3%;对3 615件餐饮单位使用中食用油开展现场快速检测,疑似阳性17件,实验室确证检测结果均合格。[结论]上海市餐饮服务单位使用的食用油总体安全。食品从业人员对食用油反复、超时使用的健康风险知晓率低;餐饮服务单位废弃油脂回收不规范,存在地沟油回收流入食物链的可能。

Edible oil safety in Shanghai catering service

[ Objective ] To investigate the purchase and use of edible oil, as well as recycling of kitchen waste oil in Shanghai catering service units, providing reference for relevant regulatory authorities. [ Methods] A total of 976 units of various types of catering service in Shanghai were selected via strati-fied sampling methodology, a self - designed questionnaire used to investigate the purchase and use of edi-ble oil, as well as recycling of kitchen waste oil. Meanwhile, an on - site rapid detection technology was used to test items including acid value, peroxide value, polar components of unused pre - packaged edible oil and also the process of using frying oils on site. [ Results] The amount of edible oil used in catering service units of Shanghai was about 1235 tons per day ; 6.0% of the oil purchased was bulk cooking oil, which accounted for 5.6% of the total amount consumed; 44.3% of the catering seryice units signed with professional companies for the recycling of kitchen waste oil; 3615 samples were detected using an on -site rapid detection, of which 17 were suspected to be positive. The lab confirmed that test results were qualifled. [ Conclusion ] cooking oil may have by using edible oil re The edible oil used in Shanghai catering service units is safe in general, while bulk potential safety hazards. Food practitioners have low awareness of health risk peatedly and for too long time, which makes some enterprise use ＂old oil＂ caused for too long; There does exist the possibility of kitchen waste oil returning to food chain as its recycling has not been standardized.