Analysis and Investigation of Microbial Status in Freshly Made and Sold Blended Beverages in Zhangye City
In this paper,the total number of colonies and the content of Salmonella in the prepared beverages sold in Zhangye city were determined,and the microbial content in the prepared beverages of different brands,different types and different sweetness was analyzed,in order to provide theoretical reference for strengthening market supervision.The results showed that the pollution degree of milk tea beverage was the highest,the pollution degree of high-sweetness beverage was relatively high,and the pollution degree of pure tea beverage was the lowest.Coliforms and molds in the indicator bacteria were detected to varying degrees.Only Staphylococcus aureus was detected,and the rest were not detected.The content of indicator bacteria in some ready-to-sell beverages in Zhangye city was high and the pathogenic bacteria Staphylococcus aureus was detected,which may be related to the microbial contamination of raw materials,packaging,water and operators.
万方数据
维普
