Analysis and Research on Microbial Pollution in Plateau Yak Yogurt
Objective:To analyze the pollution status of traditional plateau yak yogurt in Gannan prefecture,the total number of bacterial colonies,coliform bacteria and Staphylococcus aureus were selected as the research objects for testing and analysis.Method:The total number of colonies was calculated by colony counting method,coliform group was determined by plate counting method,and Staphylococcus aureus was identified and analyzed by plate counting method and gram staining method.Result:The detection rates of Staphylococcus aureus and coliform in plateau yak yogurt were 0%,and the total number of bacterial colonies was lower than the national standard limit value of food safety.Conclusion:The production and processing process of traditional plateau yak yogurt in Gannan prefecture is safe and reliable,which meets the food safety standard and people's safety requirements for yogurt.
plateau yak yogurtmicroorganismanalysis and research
NETL
NSTL
万方数据
