鲜榨果汁及手工调制饮料微生物检测分析

Analysis of Detection Results of Microbial Contamination in Handmade Beverages and Fresh Squeezed Juice

了解海淀区鲜榨果汁及手工调制饮料的微生物污染状况,引导消费者理性消费,为制定此类饮料的卫生标准提供参考。选择海淀区连锁餐饮机构、中小型冷饮店及家庭自制的饮料样品60余份。根据《食品安全国家标准食品微生物学检验》中规定的方法对样品进行菌落总数、酵母菌和霉菌菌落总数的检测。参考食品安全国家标准和地方标准,鲜榨果汁样品的3项微生物含量较高或超标,刨冰、咖啡和热奶茶的3类微生物含量较低,雪泥、奶昔等其他品种均有不同程度的微生物污染。鲜榨果汁及手工调制饮料容易受到微生物污染,且滋生微生物的数量和种类与饮料类型、制作环境等密切相关,有关部门需加强监管力度,提升该类饮料的食用安全。

To detect and analyse the microbial contamination in handmade beverages and fresh squeezed juices in Beijing. To guide rational consumption and provide reference for the local and company standards of the above beverages. More than 60 samples were collectedfrom the multinational chain restaurants and middle-small cold drink stores. Then according to national standards GB4789.2-2010 and GB4789.15-2010, the total number of colony of bacteria, yeast and mold were detected in these samples. All the samples of fresh squeezed orange juice and watermelon juice are unqualified, but all the three indicators of shaved ice, coffee and hot milk tea samples are qualified. The data showed microbe parameter exceeded in partial samples of milkshake and slushy drink.Fresh Juice and handmade beverages are vulnerable to microbial contamination, and the number and species of microbes are closely related to beverage types, making environment, etc. The related departments should strengthen supervision and monitoring to improve the safety of handmade beverages and fresh squeezed juices.