A systematic review on the contamination of traditional Iranian fruit juices with Escherichia coli

Fruits and juices obtained from them are of special importance as the main pillars of providing human nutritional needs and are among the most desirable drinks that contain salts, vitamins and antioxidants. They provide a significant part of the body's needs; However, lack of hygiene can provide the basis for contamination of fruit juices with pathogenic bacteria. Escherichia coli is an indicator of feces contamination and its presence indicates lack of hygiene in the preparation, production and storage of food. The purpose of the present study is to investigate the level of Escherichia coli contamination of traditional fruit juices in Iran. In order to receive the studies conducted, in the databases Medline, Science Direct, Scopus, Springer, PubMed, Wailly, Elsevier and Google scholar, as well as the domestic databases of the country including: Mogiran, Irandoc, Civilica, Academic Jihad Scientific Information Center (SID) was used as the search criteria and then searched using keywords with the title from 1380 to 1401 (2000-2022) and 19 articles related to the subject of this research were found. According to the investigations, the contamination of traditional fruit juice with Escherichia coli bacteria in all the studies was positive and it is more than the national standard of Iran, Europe and America. Considering the high microbial load and the lack of hygiene in traditional fruit juices, it is necessary that the production and supply of these products is accompanied by mandatory training of operators and to prevent the continuation of the activities of centers that do not comply with health standards Action will come.