Detection of microorganisms in raw milk and dairy products using gas sensors
Microbial contamination of food is a significant public health and economic problem. Pathogenic microorganisms in food prevail over other factors in terms of the number of victims, the rate of development of diseases, and the ability to turn benign products into unfit for consumption if storage conditions are violated. To protect the health and life of the population, systems for ensuring the microbiological safety of food are being created everywhere, based on regulatory and legal requirements in sanitary, food legislation and technical regulation, hygienic regulation, state supervision and production control of products. In this regard, developing new ways to control pathogenic microorganisms in raw materials and food products using non-contact methods based on new polycomposite sensors is an essential and urgent task to ensure food safety policies and laws of the BRICS countries. Combining several sorbents with different selectivity and sensitivity on the same transducer is an attractive analytical solution. The use of the developed coatings for assessing the microbiological contamination of food products will make it possible to contribute to the methodological basis for food safety control in production.
New Industry And Energy
Sensorics
The approximate implementation period for production is possible in 3 years. It is planned to implement it in an environmentally friendly way with minimal costs or no changes in the technological scheme.
This project can be implemented at a processing plant in any BRICS country. The limitations are the operating conditions of the device, which can be regulated in laboratory conditions using an air conditioner: no higher than +30 degrees Celsius, and humidity of 70%, the absence of pungent and strong odors in the laboratory.
The main advantage of the proposed approach compared to others is the significant time savings for conducting the analysis, as well as the possibility of monitoring the technological process of milk processing to assess the presence of exogenous contamination. Compared with the microbiological method of milk quality control, the time savings for analysis are from 42 to 70 hours, the savings in reagent consumption are up to $300 per 100 analyses, and the savings in electricity consumption depend on the tariffs in each country (approximately 3,500 kW per 100 analyses). As well as funds for disposal and costs of resources during production from contaminated milk (difficult to estimate in monetary terms). Compared with the molecular genetic method of analysis, the savings in reagents and personnel labor are more than $2,000 per 100 analyses. Compared with the spectral method of analysis, the material costs are comparable, but when using the proposed approach, the range of analytical information obtained is much wider.
https://scientificrussia.ru/articles/elektronnyj-nos-s-83-tocnostu-ocenil-kolicestvo-bakterij-v-moloke, https://rscf.ru/news/release/novaya-kontseptsiya-elektronnogo-nosa-pozvolit-umenshit-chislo-sensorov-bez-poteri-analiticheskoy-to/?ysclid=lz9zd89icv571030492, https://vrn.aif.ru/edu/study/eksperiment_veka_voronezhskiy_himik_ob_issledovaniyah_i_klipovom_myshlenii?ysclid=lz9zeahwsb597578427
ttps://doi.org/10.3390/s24113634, https://doi.org/10.3390/CSAC2023-14889, https://doi.org/10.3390/CSAC2023-14874, https://doi.org/10.36107/spfp.2024.1.559, https://doi.org/10.3390/s22218529
