Analysis of the Distribution Trend of Chloramphenicol and Metronidazole in Honey Sold in Weifang City from 2019 to 2023
Objective:To understand the distribution trend of chloramphenicol and metronidazole in commercially available honey in Weifang city in the past 5 years,and to provide analytical data for food safety monitoring.Method:From 2019 to 2023,200 honey samples sold in Weifang were randomly collected and detected by ultra-high performance liquid chromatography triple quadrupole technology.The distribution trend of chloramphenicol and metronidazole in the samples was analyzed according to the test results.Result:The detection rates of chloramphenicol and metronidazole in 200 honey samples were 4.5%.There was a significant difference in the detection rate of metronidazole between 2019 and 2020(P<0.05).The detection rate of chloramphenicol in 2020 was significantly different from that in 2021 and 2023(P<0.05).There was a significant difference in the detection rate of chloramphenicol between commercial packaging and bulk samples(P<0.05).There was a significant difference in the detection rate of chloramphenicol in samples collected in spring and summer(P<0.05).Conclusion:The detection rate of metronidazole and chloramphenicol in honey samples sold in Weifang decreased year by year.
Weifang citycommercially available honeychloramphenicolmetronidazoledistribution trend