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Food microbiology advancements

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https://www.readbyqxmd.com/read/29218304/from-invention-to-innovation-risk-analysis-to-integrate-one-health-technology-in-the-dairy-farm
#1
Andrea Lombardo, Carlo Boselli, Simonetta Amatiste, Simone Ninci, Chiara Frazzoli, Roberto Dragone, Alberto De Rossi, Gerardo Grasso, Alberto Mantovani, Giovanni Brajon
Current Hazard Analysis Critical Control Points (HACCP) approaches mainly fit for food industry, while their application in primary food production is still rudimentary. The European food safety framework calls for science-based support to the primary producers' mandate for legal, scientific, and ethical responsibility in food supply. The multidisciplinary and interdisciplinary project ALERT pivots on the development of the technological invention (BEST platform) and application of its measurable (bio)markers-as well as scientific advances in risk analysis-at strategic points of the milk chain for time and cost-effective early identification of unwanted and/or unexpected events of both microbiological and toxicological nature...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/29195988/recent-advances-in-microencapsulation-of-natural-sources-of-antimicrobial-compounds-used-in-food-a-review
#2
REVIEW
Javier Castro-Rosas, Carlos Raimundo Ferreira-Grosso, Carlos Alberto Gómez-Aldapa, Esmeralda Rangel-Vargas, María Luisa Rodríguez-Marín, Fabiola Araceli Guzmán-Ortiz, Reyna Nallely Falfan-Cortes
Food safety and microbiological quality are major priorities in the food industry. In recent years, there has been an increasing interest in the use of natural antimicrobials in food products. An ongoing challenge with natural antimicrobials is their degradation during food storage and/or processing, which reduces their antimicrobial activity. This creates the necessity for treatments that maintain their stability and/or activity when applied to food. Microencapsulation of natural antimicrobial compounds is a promising alternative once this technique consists of producing microparticles, which protect the encapsulated active substances...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29176582/listeria-monocytogenes-towards-a-complete-picture-of-its-physiology-and-pathogenesis
#3
REVIEW
Lilliana Radoshevich, Pascale Cossart
Listeria monocytogenes is a food-borne pathogen responsible for a disease called listeriosis, which is potentially lethal in immunocompromised individuals. This bacterium, first used as a model to study cell-mediated immunity, has emerged over the past 20 years as a paradigm in infection biology, cell biology and fundamental microbiology. In this Review, we highlight recent advances in the understanding of human listeriosis and L. monocytogenes biology. We describe unsuspected modes of hijacking host cell biology, ranging from changes in organelle morphology to direct effects on host transcription via a new class of bacterial effectors called nucleomodulins...
November 27, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/29153181/a-100-year-review-microbiology-and-safety-of-milk-handling
#4
Kathryn J Boor, Martin Wiedmann, Sarah Murphy, Sam Alcaine
Microbes that may be present in milk can include pathogens, spoilage organisms, organisms that may be conditionally beneficial (e.g., lactic acid bacteria), and those that have not been linked to either beneficial or detrimental effects on product quality or human health. Although milk can contain a full range of organisms classified as microbes (i.e., bacteria, viruses, fungi, and protozoans), with few exceptions (e.g., phages that affect fermentations, fungal spoilage organisms, and, to a lesser extent, the protozoan pathogens Cryptosporidium and Giardia) dairy microbiology to date has focused predominantly on bacteria...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153179/a-100-year-review-a-century-of-dairy-processing-advancements-pasteurization-cleaning-and-sanitation-and-sanitary-equipment-design
#5
S A Rankin, R L Bradley, G Miller, K B Mildenhall
Over the past century, advancements within the mainstream dairy foods processing industry have acted in complement with other dairy-affiliated industries to produce a human food that has few rivals with regard to safety, nutrition, and sustainability. These advancements, such as milk pasteurization, may appear commonplace in the context of a modern dairy processing plant, but some consideration of how these advancements came into being serve as a basis for considering what advancements will come to bear on the next century of processing advancements...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28959937/genome-editing-of-food-grade-lactobacilli-to-develop-therapeutic-probiotics
#6
Jan-Peter van Pijkeren, Rodolphe Barrangou
Lactic acid bacteria have been used historically for food manufacturing mainly to ensure preservation via fermentation. More recently, lactic acid bacteria have been exploited to promote human health, and many strains serve as industrial workhorses. Recent advances in microbiology and molecular biology have contributed to understanding the genetic basis of many of their functional attributes. These include dissection of biochemical processes that drive food fermentation, and identification and characterization of health-promoting features that positively impact the composition and roles of microbiomes in human health...
September 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28782997/pathogen-decontamination-of-food-crop-soil-a-review
#7
REVIEW
Joshua B Gurtler
The purpose of this review is to delineate means of decontaminating soil. This information might be used to mitigate soil-associated risks of foodborne pathogens. The majority of the research in the published literature involves inactivation of plant pathogens in soil, i.e., those pathogens harmful to fruit and vegetable production and ornamental plants. Very little has been published regarding the inactivation of foodborne human pathogens in crop soil. Nevertheless, because decontamination techniques for plant pathogens might also be useful methods for eliminating foodborne pathogens, this review also includes inactivation of plant pathogens, with appropriate discussion and comparisons, in the hopes that these methods may one day be validated against foodborne pathogens...
September 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28725217/metagenomics-the-next-culture-independent-game-changer
#8
REVIEW
Jessica D Forbes, Natalie C Knox, Jennifer Ronholm, Franco Pagotto, Aleisha Reimer
A trend towards the abandonment of obtaining pure culture isolates in frontline laboratories is at a crossroads with the ability of public health agencies to perform their basic mandate of foodborne disease surveillance and response. The implementation of culture-independent diagnostic tests (CIDTs) including nucleic acid and antigen-based assays for acute gastroenteritis is leaving public health agencies without laboratory evidence to link clinical cases to each other and to food or environmental substances...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28693949/composting-of-food-wastes-status-and-challenges
#9
REVIEW
Alejandra Cerda, Adriana Artola, Xavier Font, Raquel Barrena, Teresa Gea, Antoni Sánchez
This review analyses the main challenges of the process of food waste composting and examines the crucial aspects related to the quality of the produced compost. Although recent advances have been made in crucial aspects of the process, such composting microbiology, improvements are needed in process monitoring. Therefore, specific problems related to food waste composting, such as the presence of impurities, are thoroughly analysed in this study. In addition, environmental impacts related to food waste composting, such as emissions of greenhouse gases and odours, are discussed...
June 26, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28589386/navigating-the-jungles-of-tropical-infectious-gastrointestinal-pathology-a-pattern-based-approach-to-the-endoscopic-biopsy
#10
Tomas Slavik, Gregory Y Lauwers
International travels and global human migration have had the unforeseen consequence of increasing the exposure of histopathologists in developed countries to the pathology of tropical infectious disease. The gastrointestinal tract (GIT) is often the primary site of infection due to the faecal-oral route of transmission and the high risk of exposure to contaminated water, food or soil when travelling to these regions. Whilst current microbiologic techniques are far more sensitive than histology in detecting infectious pathogens, the histopathologist nonetheless retains a pivotal role in diagnosing tropical GIT disease...
June 6, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28355995/new-advances-in-infant-feeding-new-products-and-novel-technologies
#11
M C Pina-Pérez, A Martínez, D Rodrigo
BACKGROUND: Breastfeeding is the best way to provide ideal food for infants. However, there are many situations in which breastfeeding is unviable (maternal illness, hygiene problems, intravenous feeding requirement, storage). Safe, efficient, and nutritious products should be offered by the industry to mothers and healthcare professionals as an alternative. OBJECTIVE: The present review aims to update the state of the art regarding the most innovative developments in infant feeding formulation and, the promising novel technologies that are being investigated to achieve a balance between the microbiological stability, organoleptic and nutritional value of babyfood...
March 28, 2017: Recent Patents on Food, Nutrition & Agriculture
https://www.readbyqxmd.com/read/28245092/microbiological-interactions-with-cold-plasma
#12
REVIEW
P Bourke, D Ziuzina, L Han, P J Cullen, B F Gilmore
There is a diverse range of microbiological challenges facing the food, healthcare and clinical sectors. The increasing and pervasive resistance to broad-spectrum antibiotics and health-related concerns with many biocidal agents drives research for novel and complementary antimicrobial approaches. Biofilms display increased mechanical and antimicrobial stability and are the subject of extensive research. Cold plasmas (CP) have rapidly evolved as a technology for microbial decontamination, wound healing and cancer treatment, owing to the chemical and bio-active radicals generated known collectively as reactive oxygen and nitrogen species...
February 28, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28197144/detection-and-enumeration-of-spore-forming-bacteria-in-powdered-dairy-products
#13
REVIEW
Aoife J McHugh, Conor Feehily, Colin Hill, Paul D Cotter
With the abolition of milk quotas in the European Union in 2015, several member states including Ireland, Luxembourg, and Belgium have seen year on year bi-monthly milk deliveries to dairies increase by up to 35%. Milk production has also increased outside of Europe in the past number of years. Unsurprisingly, there has been a corresponding increased focus on the production of dried milk products for improved shelf life. These powders are used in a wide variety of products, including confectionery, infant formula, sports dietary supplements and supplements for health recovery...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27941657/australian-food-safety-policy-changes-from-a-command-and-control-to-an-outcomes-based-approach-reflection-on-the-effectiveness-of-its-implementation
#14
James Smith, Kirstin Ross, Harriet Whiley
Foodborne illness is a global public health burden. Over the past decade in Australia, despite advances in microbiological detection and control methods, there has been an increase in the incidence of foodborne illness. Therefore improvements in the regulation and implementation of food safety policy are crucial for protecting public health. In 2000, Australia established a national food safety regulatory system, which included the adoption of a mandatory set of food safety standards. These were in line with international standards and moved away from a "command and control" regulatory approach to an "outcomes-based" approach using risk assessment...
December 8, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27940240/advances-in-biosensor-development-for-the-screening-of-antibiotic-residues-in-food-products-of-animal-origin-a-comprehensive-review
#15
REVIEW
Valérie Gaudin
Antibiotic residues may be found in food of animal origin, since veterinary drugs are used for preventive and curative purposes to treat animals. The control of veterinary drug residues in food is necessary to ensure consumer safety. Screening methods are the first step in the control of antibiotic residues in food of animal origin. Conventional screening methods are based on different technologies, microbiological methods, immunological methods or physico-chemical methods (e.g. thin-layer chromatography, HPLC, LC-MS/MS)...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27822524/from-sample-to-multi-omics-conclusions-in-under-48-hours
#16
Robert A Quinn, Jose A Navas-Molina, Embriette R Hyde, Se Jin Song, Yoshiki Vázquez-Baeza, Greg Humphrey, James Gaffney, Jeremiah J Minich, Alexey V Melnik, Jakob Herschend, Jeff DeReus, Austin Durant, Rachel J Dutton, Mahdieh Khosroheidari, Clifford Green, Ricardo da Silva, Pieter C Dorrestein, Rob Knight
Multi-omics methods have greatly advanced our understanding of the biological organism and its microbial associates. However, they are not routinely used in clinical or industrial applications, due to the length of time required to generate and analyze omics data. Here, we applied a novel integrated omics pipeline for the analysis of human and environmental samples in under 48 h. Human subjects that ferment their own foods provided swab samples from skin, feces, oral cavity, fermented foods, and household surfaces to assess the impact of home food fermentation on their microbial and chemical ecology...
March 2016: MSystems
https://www.readbyqxmd.com/read/27766214/an-overview-on-novel-microbial-determination-methods-in-pharmaceutical-and-food-quality-control
#17
Mahboob Nemati, Aliasghar Hamidi, Solmaz Maleki Dizaj, Vahid Javaherzadeh, Farzaneh Lotfipour
Traditional microbiological methods tend to be labor-intensive and time-consuming. Rapid and novel methods in microbiological tests provide more sensitive, precise and reproducible results compared with conventional methods. In microbiology, the most rapid testing methods belong to the field of biotechnology such as PCR, ELISA, ATP bioluminescence and etc. Nevertheless impedance microbiology, biosensors and analytical procedures to determine microbial constituents are of significance. The present review article was conducted using internet databases and related scientific literatures and articles that provide information on developments in the rapid methods in microbiology...
September 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27741154/an-advanced-in-vitro-technology-platform-to-study-the-mechanism-of-action-of-prebiotics-and-probiotics-in-the-gastrointestinal-tract
#18
Massimo Marzorati, Tom Van de Wiele
The gastrointestinal tract (GIT) hosts the most complex microbial community in the human body. Given the extensive metabolic potential which is present in this community, this additional organ is of key importance to maintain a healthy status and several diseases are frequently correlated with an alteration of the composition/functionality of the gut microbiota. Consequently, there is a great interest in identifying potential approaches that could modulate the microbiota and its metabolism to bring about a positive health effect...
November 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27713962/dietary-supplement-based-on-stilbenes-a-focus-on-gut-microbial-metabolism-by-the-in-vitro-simulator-m-shime%C3%A2
#19
Camilla Giuliani, Massimo Marzorati, Marzia Innocenti, Ramiro Vilchez-Vargas, Marius Vital, Dietmar H Pieper, Tom Van de Wiele, Nadia Mulinacci
Polyphenols and intestinal microbiota can influence each other, modifying metabolism and gut wellness. Data on this mutual effect need to be improved. Several studies on the biological activities of resveratrol and derivatives have been carried out, but the effects of a continuous administration of stilbenes on gut microbiota have not yet been investigated. This study evaluated the effects of an extract from Vitis vinifera, containing a combination of t-resveratrol and ε-viniferin, on intestinal microbiota, using the advanced gastrointestinal simulator M-SHIME®...
November 9, 2016: Food & Function
https://www.readbyqxmd.com/read/27639140/recent-trends-in-the-determination-of-biogenic-amines-in-fermented-beverages-a-review
#20
REVIEW
José Luis Ordóñez, Ana Maria Troncoso, Maria Del Carmen García-Parrilla, Raquel Maria Callejón
Biogenic amines (BA) are generally considered as a food hazard, even though there is not a threshold for these biomolecules in the European legislation, except for histamine in fishery products. These compounds are formed during the storage and processing of certain foods through microbiological activity, and when present in high concentrations, could have toxicological effects, causing health problems in consumers, especially to sensitive persons. This fact, in addition to the economical concern involved, makes it necessary to control the amounts of biogenic amines in foods...
October 5, 2016: Analytica Chimica Acta
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