Investigating the amount of heavy metals and the prevalence of Campylobacter, Escherichia coli, Salmonella and Staphylococcus aureus contamination of button mushrooms (Agaricus bisporus) presentation in Isfahan city

Abstract

One of the products that is able to provide vitamins and amino acids needed for humans in the current conditions is edible button mushroom (Agaricus bisporus). Despite its properties, this food item can be the cause of many minerals and heavy metals due to its direct connection with the soil. The aim of this study was to investigate the amount of heavy metals and fungal acids in Campylobacter, Escherichia coli, Salmonella and Staphylococcus aureus in Isfahan city. In this study, 100 samples of edible button mushrooms were randomly selected from the supply centers of this product in Isfahan city and transported to the food hygiene laboratory of Shahrekord Azad University for chemical and microbiological tests. SPSS version 23 software and chi-square statistical analysis were used to analyze the data. According to the obtained results, out of 100 samples, 24 samples (24%) were infected with Campylobacter, 17 samples (17%) with Escherichia coli, 40 samples (40%) with Salmonella and 56 samples (56%) with Staphylococcus aureus. . Also, according to the results, the consumption of heavy metals, including lead, cadmium and arsenic, exceeded the standard. Based on the results obtained from the present study and pathogenic bacteria in mushrooms, it is necessary to be extremely careful in preparing edible mushrooms and refuse to eat them raw.

Keywords

• isfahan
• bacterial contamination
• heavy metals
• edible button mushroom