Rezaei, Aliakbar, Bina, Samaneh, Moezi, Parichehr, Khalili, Nazanin, Hosseini Sarbasi, Masoud, Raee, Mohammad Javad, Rashedinia, marzieh (2025). Risk Assessment and Antibiotic Resistance of Microbial Contaminants Isolated from Traditional and Industrial Ice creams in Shiraz City. , 11(1), 33-41. doi: 10.61186/iem.11.1.33
Aliakbar Rezaei; Samaneh Bina; Parichehr Moezi; Nazanin Khalili; Masoud Hosseini Sarbasi; Mohammad Javad Raee; marzieh Rashedinia. "Risk Assessment and Antibiotic Resistance of Microbial Contaminants Isolated from Traditional and Industrial Ice creams in Shiraz City". , 11, 1, 2025, 33-41. doi: 10.61186/iem.11.1.33
Rezaei, Aliakbar, Bina, Samaneh, Moezi, Parichehr, Khalili, Nazanin, Hosseini Sarbasi, Masoud, Raee, Mohammad Javad, Rashedinia, marzieh (2025). 'Risk Assessment and Antibiotic Resistance of Microbial Contaminants Isolated from Traditional and Industrial Ice creams in Shiraz City', , 11(1), pp. 33-41. doi: 10.61186/iem.11.1.33
Rezaei, Aliakbar, Bina, Samaneh, Moezi, Parichehr, Khalili, Nazanin, Hosseini Sarbasi, Masoud, Raee, Mohammad Javad, Rashedinia, marzieh Risk Assessment and Antibiotic Resistance of Microbial Contaminants Isolated from Traditional and Industrial Ice creams in Shiraz City. , 2025; 11(1): 33-41. doi: 10.61186/iem.11.1.33

Risk Assessment and Antibiotic Resistance of Microbial Contaminants Isolated from Traditional and Industrial Ice creams in Shiraz City

Infection Epidemiology and Microbiology
Article 4, Volume 11, Issue 1, 2025, Pages 33-41    PDF (476.61 K)
Document Type: Original Research
DOI: 10.61186/iem.11.1.33
Authors
Aliakbar Rezaei1; Samaneh Bina2; Parichehr Moezi1; Nazanin Khalili1; Masoud Hosseini Sarbasi1; Mohammad Javad Raee3; marzieh Rashedinia* 4
1Food and Drug Administration, Shiraz University of Medical Sciences, Shiraz, Iran
2Department of biology, Marvdasht branch, Islamic Azad University, Marvdasht, Iran
3Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz, Iran
4Department of Pharmacology and Toxicology, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
Abstract
Background: Dairy products are considered as some staple food rich in nutrients. Among dairy products, ice cream is one of the most attractive and popular products. The popularity of ice cream is due to its great taste and unique texture. Considering the prevalence of traditional ice cream consumption in Iran and the risk of microbial contamination of these products, the microbial quality of industrial and traditional ice creams in Fars province was evaluated and compared.

Materials & Methods: A total of 470 ice cream samples were tested to determine total viable count (TVC), total coliform count (TCC), and the presence of fungi. Biochemical properties and antibiotic sensitivity of isolated bacteria were investigated.

Findings: TVC in all industrial ice cream samples was lower than the limit specified by the national standard of Iran. Coliform levels in 37% (n=100) of traditional and 1.5% (n=3) of industrial ice cream samples were higher than the permissible limit. Furthermore, 74.8 and 40% of traditional samples contained Escherichia coli and fungi and mold, respectively. Antibiogram results showed that the highest antibiotic resistance of the isolates was related to ampicillin and trimethoprim/sulfamethoxazole.

Conclusion: Traditional ice creams are highly contaminated with microbial agents resistant to two or more drugs, which poses great risks for the consumers of these products, especially children. Therefore, it is necessary to implement appropriate hygiene practices to increase the safety of ice creams. Alerting people about the risks of foodborne diseases could significantly help prevent such diseases.
Keywords
Ice cream; Risk assessment; Foodborne diseases; E.coli; Antimicrobial resistance
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