Methods of detection of food-borne pathogens: a review

Saravanan, A.; Kumar, P. Senthil; Hemavathy, R.V.; Jeevanantham, S.; Kamalesh, Rajan; Sneha, Sahaya J; Yaashikaa, P.R.

doi:10.1007/s10311-020-01072-z

Cited by 121 publications

(75 citation statements)

References 175 publications

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“…In the recent years, special sensors have been fabricated for the detection of biomolecules from foods (Govindarajalu et al 2019 ; Verma and Rani 2020 ). However, the performance of such sensors still remains a huge concern (Saravanan et al 2020 ). For this reason, great efforts have been made to understand the evaluation, characteristics and quantification of polyphenols.…”

Section: Introductionmentioning

confidence: 99%

Techniques and modeling of polyphenol extraction from food: a review

et al. 2021

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There is a growing demand for vegetal food having health benefits such as improving the immune system. This is due in particular to the presence of polyphenols present in small amounts in many fruits, vegetables and functional foods. Extracting polyphenols is challenging because extraction techniques should not alter food quality. Here, we review technologies for extracting polyphenolic compounds from foods. Conventional techniques include percolation, decoction, heat reflux extraction, Soxhlet extraction and maceration, whereas advanced techniques are ultrasound-assisted extraction, microwave-assisted extraction, supercritical fluid extraction, high-voltage electric discharge, pulse electric field extraction and enzyme-assisted extraction. Advanced techniques are 32-36% more efficient with approximately 15 times less energy consumption and producing higher-quality extracts. Membrane separation and encapsulation appear promising to improve the sustainability of separating polyphenolic compounds. We present kinetic models and their influence on process parameters such as solvent type, solid and solvent ratio, temperature and particle size.

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Section: Introductionmentioning

confidence: 99%

Techniques and modeling of polyphenol extraction from food: a review

et al. 2021

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“…[99] Other reviews document and discuss recent advances in optical and electronic sensors for foodborne pathogen detection. [4,39,[100][101][102] To identify dangerous pathogens among complex and biodiverse food samples, food sensors are constructed by immobilizing specific and sensitive recognition elements such as aptamers, antibodies, bacteriophages, and electrostatic probes onto transducers. Chen et al present a detailed review of methods for incorporating these recognition elements into nanomaterial transducers to form food sensors.…”

Section: Foodborne Pathogen Detectionmentioning

confidence: 99%

Food Sensors: Challenges and Opportunities

Weston

Geng

Chandrawati

2021

Adv Materials Technologies

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Food sensors have been developed for quality monitoring and contaminant detection to improve food management. Despite the alarming rates of food waste and food‐related illness, few food sensor technologies are utilized and translated into commercial products. This review aims to explore challenges and opportunities relating to sensor translation by first documenting recent advances in state‐of‐the‐art optical and electronic food sensors that target common analytes including temperature, humidity, pH, gases, pesticides, and pathogens. Promising sensors are designed with careful consideration of the chemistry of the contaminant or quality marker which they detect and the inherent challenges of analyte recognition in complex food samples. Recent advances focus on the incorporation of sensors into materials and devices for food packaging and processing. Challenges and opportunities for food sensor translation are then identified and discussed including the complexity of and natural variation in food products, different causes of food spoilage, the food–sensor interface, signal processing and governing legislation. For the successful translation of sensors into ubiquitous features on food products, these issues must be addressed through material and design advances.

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“…These new etiological insights involving bacteria, parasites, and viruses, gave an impulse to preventive control of pathogenic MOs in animals, plants, and in or on their derived food products. These insights also fueled further technical development of a methodology to investigate, detect, and screen MOs of which many reviews report, for example [ 51 , 52 ].…”

Section: Analytical Microbiologymentioning

confidence: 99%

“…Besides spectrometry, variations of Raman and Fourier-transform infra-red spectroscopies, sometimes also hyphenated with other techniques discussed here, are recurrent technologies which fingerprint whole bacterial cells [ 52 ]. For example, microfluidics-integrated SERS using gold-surfaced nanoparticles coated with MABs against Listeria monocytogenes also capturing L. innocua , detected the pathogen in less than 2 min at 10 4 –10 6 CFU/mL [ 227 ].…”

Section: Analytical Microbiologymentioning

confidence: 99%

Modernization of Control of Pathogenic Micro-Organisms in the Food-Chain Requires a Durable Role for Immunoaffinity-Based Detection Methodology—A Review

Bergwerff

Debast

2021

Foods

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Food microbiology is deluged by a vastly growing plethora of analytical methods. This review endeavors to color the context into which methodology has to fit and underlines the importance of sampling and sample treatment. The context is that the highest risk of food contamination is through the animal and human fecal route with a majority of foodborne infections originating from sources in mass and domestic kitchens at the end of the food-chain. Containment requires easy-to-use, failsafe, single-use tests giving an overall risk score in situ. Conversely, progressive food-safety systems are relying increasingly on early assessment of batches and groups involving risk-based sampling, monitoring environment and herd/flock health status, and (historic) food-chain information. Accordingly, responsible field laboratories prefer specificity, multi-analyte, and high-throughput procedures. Under certain etiological and epidemiological circumstances, indirect antigen immunoaffinity assays outperform the diagnostic sensitivity and diagnostic specificity of e.g., nucleic acid sequence-based assays. The current bulk of testing involves therefore ante- and post-mortem probing of humoral response to several pathogens. In this review, the inclusion of immunoglobulins against additional invasive micro-organisms indicating the level of hygiene and ergo public health risks in tests is advocated. Immunomagnetic separation, immunochromatography, immunosensor, microsphere array, lab-on-a-chip/disc platforms increasingly in combination with nanotechnologies, are discussed. The heuristic development of portable and ambulant microfluidic devices is intriguing and promising. Tant pis, many new platforms seem unattainable as the industry standard. Comparability of results with those of reference methods hinders the implementation of new technologies. Whatever the scientific and technological excellence and incentives, the decision-maker determines this implementation after weighing mainly costs and business risks.

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Methods of detection of food-borne pathogens: a review

Cited by 121 publications

References 175 publications

Techniques and modeling of polyphenol extraction from food: a review

Techniques and modeling of polyphenol extraction from food: a review

Food Sensors: Challenges and Opportunities

Modernization of Control of Pathogenic Micro-Organisms in the Food-Chain Requires a Durable Role for Immunoaffinity-Based Detection Methodology—A Review

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