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Microbiological Contamination: Latest Advances and Prospects

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Microbiology".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2475

Special Issue Editor


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Guest Editor
Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
Interests: in food and food products, diary and dairy products, sanitary quality of water; cosmetics (chinese or others); polymerase chain reaction

Special Issue Information

Dear Colleagues,

Microbiological contamination occurs when a hostile growth appears in food, water, or cosmetics. Microbiological contamination is connected with Bacteria, Yeast, Mould, Fungi, Virus, Protozoa, prions and their toxins.  Because of the high risk of microbial contamination of foods, microbial food-borne disease (FDB) is one of the most serious public health concerns. FBD affect at least a couple of billion people worldwide each year, making it one of the most serious public health issues of the modern era. The sanitary quality of food and daily utilities has a significant impact on a healthier lifestyle. Microbial contamination is defined as the unintentional introduction of microorganisms such as bacteria, fungi, viruses, and parasites into foods, food products, water, fomites, and other environments. Soil, humans, sewage, livestock, waste products, pests, and polluted air are the primary sources of contamination. Microbial contamination of water, food, food products, and fomites poses serious health risks such as food poisoning, skin-wound infections, and disease outbreaks. Furthermore, microbial contamination aids in the transfer and spread of antibiotic-resistant organisms. As a result, public health agencies should report and monitor the survival and spread of microbial contamination on a regular basis. To combat the risks associated with microbial contamination, both early detection and prevention strategies are required. All food and pharmaceutical industries conduct strict microbial quality checks on food, water, and pharmaceutical products on a regular basis. Microbial contamination is detected using both conventional and molecular methods; the prevention of infectious disease caused by microbial contamination necessitates quick methods of contamination detection. Culture is a traditional method. Morphological identification, such as staining and biochemical identification of bacteria and parasites, can take a long time. As a result, different polymerase chain reaction techniques used for the rapid detection of microbial agents. 

Dr. Imran Ali Khan
Guest Editor

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Published Papers (1 paper)

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Research

12 pages, 618 KiB  
Article
Growth of Escherichia coli in Human Milk and Powdered Infant Formula under Various Treatments and Feeding Conditions in Neonatal Units
by María Carmen López-Mendoza, Marta Lozano, Edgar García-Romero, Pilar Ruiz-García, María Gormaz, Rafael Jordano, Luis Manuel Medina, Amparo Ramón-Beltrán and Dolores Silvestre
Appl. Sci. 2023, 13(15), 8978; https://doi.org/10.3390/app13158978 - 4 Aug 2023
Cited by 1 | Viewed by 2120
Abstract
Milk supplied to neonates in neonatal units is kept at room temperature for some time, which could influence microbial growth. This study aims to evaluate the growth of Escherichia coli in HM and PIF under various treatments and conditions, as well as to [...] Read more.
Milk supplied to neonates in neonatal units is kept at room temperature for some time, which could influence microbial growth. This study aims to evaluate the growth of Escherichia coli in HM and PIF under various treatments and conditions, as well as to determine the influence of different thawing methods on microbial growth in HM. The number of E. coli generations appearing over a 4 h period at 22 °C in HM (frozen; frozen and pasteurized; and frozen, pasteurized, and fortified) and in PIF (four brands) was determined. E. coli counts in HM inoculated and thawed using different methods were also compared. In frozen HM and in pasteurized and frozen HM, significant differences were found after 2.5 h and 1.5 h, respectively. In PIF, differences were found between 1.5 and 3 h. With regard to the thawing process, the lowest microorganism counts were obtained at 4 °C overnight; thus, it seems advisable to store milk at room temperature for a maximum of 1 h during administration in neonatal units. Thawing HM at 4 °C overnight should be the method of choice. Full article
(This article belongs to the Special Issue Microbiological Contamination: Latest Advances and Prospects)
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