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Microbiology quality

Rajpreet Kaur Goraya, Usha Bajwa
Inclusion of processed amla have been found to enhance the functional properties and nutritional value of ice cream by augmenting the fiber content, total phenols, tannins, ascorbic acid and antioxidant activity. The present investigation assessed the changes in these constituents, color values (L, a* and b*), melting rate, sensory scores and microbiological quality of ice cream containing amla shreds, pulp, preserve, candy and powder during 60 days' storage at - 18 to - 20 °C. The total solids increased slightly whereas the antioxidant activity, total phenols, ascorbic acid and tannins decreased on storage...
May 2018: Journal of Food Science and Technology
Pablo Castillejo, Susana Chamorro, Luis Paz, Carla Heinrich, Ivonne Carrillo, Jose G Salazar, Juan C Navarro, Eduardo A Lobo
Epilithic diatom communities are particularly suitable for the evaluation of freshwater quality. In Ecuador, however, no water quality index includes this biotic parameter. This work is the first attempt in the country to determine the composition of epilithic diatom communities associated with different degrees of eutrophication. This was accomplished by measuring physical, chemical and microbiological variables at five sampling sites along the Pita River, Ecuador, from August to December 2016. The results indicate a clear gradient of eutrophication from sampling sites P1 (good water) in the upper reaches to P5 (bad water) located in the lower reaches...
April 11, 2018: Comptes Rendus Biologies
N K Dzhabarova, N G Sidorina, I N Smirnova, A A Kokhanenko, N G Klopotova
BACKGROUND: the creation of the efficient system of the spa and health resort-based health care for the population of the entire territory of the Russian Federation requires the systematic evaluation and protection of the natural resources of country as a basis for the further development of the health resort and recreation facilities in different regions. AIM: The objective of the present study was to estimate the possibilities of expansion of the health resort and recreational activities based on the rational exploitation of the natural resources of the medical-recreational and balneotherapeutic areas of the Krasnoyarsk Territory...
April 9, 2018: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
Giuseppe Grande, Federica Vincenzoni, Francesca Mancini, Silvia Baroni, Giovanni Luca, Riccardo Calafiore, Riccardo Marana, Massimo Castagnola, Alfredo Pontecorvi, Domenico Milardi
Infectious etiologies contribute to 15% of male factor infertility. Enterococcus faecalis is commonly identified in semen colture of infertile men and it is associated with significantly poorer semen quality. Aim of this study was to identify new seminal biomarkers for the male tract infection by E. faecalis, using proteomic profiling, in order to understand the effect of E. faecalis on the physiopathology of male reproduction. We included in the study ten patients seeking medical care for primary infertility with prostate-vescicular-epidydimitis and with microbiological analysis on semen and/or prostatic secretions positive for Enterococcus faecalis...
April 12, 2018: Protein and Peptide Letters
Katarzyna Wolny-Koładka
The aim of this study was to assess the microbiological quality of air in three horse riding centers differing in the horse keeping systems. The air samples were collected in one facility with free-range horse keeping system and two with box stalls of different sizes. The samples were collected over a period of 3 years (2015-2017), four times per year (spring, summer, autumn, winter) to assess the effect of seasonal changes. The prevalence of aerobic mesophilic bacteria, mold fungi, actinomycetes, Staphylococcus spp...
April 7, 2018: Environmental Monitoring and Assessment
Julia Colston, Bridget Atkins
Bone and joint infections include septic arthritis, prosthetic joint infections, osteomyelitis, spinal infections (discitis, vertebral osteomyelitis and epidural abscess) and diabetic foot osteomyelitis. All of these may present through the acute medical take. This article discusses the pathogenesis of infection and highlights the importance of taking a careful history and fully examining the patient. It also emphasises the importance of early surgical intervention in many cases. Consideration of alternative diagnoses, appropriate imaging and high-quality microbiological sampling is important to allow appropriate and targeted antimicrobial therapy...
March 2018: Clinical Medicine: Journal of the Royal College of Physicians of London
Putu Virgina Partha Devanthi, Robert Linforth, Hani El Kadri, Konstantinos Gkatzionis
This study investigated the application of water-oil-water (W1 /O/W2 ) double emulsions (DE) for yeast encapsulation and sequential inoculation of Zygosaccharomyces rouxii and Tetragenococcus halophilus in moromi stage of soy sauce fermentation with reduced NaCl and/or substitution with KCl. Z. rouxii and T. halophilus were incorporated in the internal W1 and external W2 phase of DE, respectively. NaCl reduction and substitution promoted T. halophilus growth to 8.88 log CFU/mL, accompanied with faster sugar depletion and enhanced lactic acid production...
August 15, 2018: Food Chemistry
Kathy Raven, Beth Blane, Carol Churcher, Julian Parkhill, Sharon J Peacock
Bacterial whole-genome sequencing in the clinical setting has the potential to bring major improvements to infection control and clinical practice. Sequencing instruments are not currently available in the majority of routine microbiology laboratories worldwide, but an alternative is to use external sequencing providers. To foster discussion around this we investigated whether send-out services were a viable option. Four providers offering MiSeq sequencing were selected based on cost and evaluated based on the service provided and sequence data quality...
April 5, 2018: Microbial Genomics
Panagiotis Georgakopoulos, Christina-Maria Kastorini, Matina Kouvari, Anastasia Pantazopoulou, Ioanna Markaki, Anna-Maria Haviaris, Afroditi Veloudaki, Athena Linos
No abstract text is available yet for this article.
April 2018: Clinical Nutrition ESPEN
Sana Ikram, Nuzhat Hassan, Muhammad A Raffat, Sana Mirza, Zohaib Akram
AIM: The aim of the present study was to evaluate the efficacy of probiotics as an adjunct to scaling and root planning (SRP) in the treatment of chronic periodontitis (CP). METHODS: The focused question of the study was: Does adjunctive use of probiotics yield better clinical periodontal outcomes compared to placebo/no treatment group in the treatment of CP? Electronic and manual literature searches were conducted up to December 2017 using the following databases: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Oral Health Group Trials Register...
March 31, 2018: Journal of Investigative and Clinical Dentistry
Qi He, Bin Gong, Jiapeng He, Xiaocui Yang, Kaijun Xiao, Liang Zhu
BACKGROUND: Most of aquatic products are highly susceptible to deterioration and microbial spoilage during storage. A frequently used method to preserve them is achieved by cold storage. However, products preserved by traditional frozen method are prone to suffer undesired frozen damage. It will significantly impair postmortem quality of the products. To solve the problem, this work established a novel superchilling storage-ice glazing (SS-IG) approach using chitosan-catechin composite material...
March 30, 2018: Journal of the Science of Food and Agriculture
María Dolores Jiménez-Martínez, Rocío Gil-Muñoz, Encarna Gómez-Plaza, Ana Belén Bautista-Ortín
The quality of red wine depends on the absence of compounds which may affect its safety and/or stability such as ochratoxin A, biogenic amines and some metals and trace compounds. The presence of ochratoxin A in musts and wines is due to fungal contamination of the grapes and has been classified as a possible human carcinogen. Biogenic amines are formed by the microbiological descarboxylation of the corresponding amino acid precursors during the fermentation or aging and storage, and, at high concentrations, they may induce adverse reactions in sensitive people...
March 30, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Hosam-Eddin M El-Garhi, Safaa Am El-Aidie, Norizzah A Rashid, Zaibunnisa A Hayee
This study was undertaken to evaluate the feasibility of using commercial starter cultures for quality improvement of spreadable processed cheese manufactured from ultrafiltered milk retentates. Compared to control, six samples of ultrafiltered milk retentate were incubated at 25 ℃ with starter cultures CHN-22, FRC-60, and ABT-8. Three samples were incubated for 24 h and the others were incubated for 72 h. Physicochemical, microbiological, and organoleptic characteristics in all treatments during the 90-day cold storage (6 ± 2 ℃) period were determined...
January 1, 2018: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
Gabriel Jácome, Carla Valarezo, Changkyoo Yoo
Pollution and the eutrophication process are increasing in lake Yahuarcocha and constant water quality monitoring is essential for a better understanding of the patterns occurring in this ecosystem. In this study, key sensor locations were determined using spatial and temporal analyses combined with geographical information systems (GIS) to assess the influence of weather features, anthropogenic activities, and other non-point pollution sources. A water quality monitoring network was established to obtain data on 14 physicochemical and microbiological parameters at each of seven sample sites over a period of 13 months...
March 30, 2018: Environmental Monitoring and Assessment
Biswajit Chakrabarti, Dan Wootton, Steven Lane, Elizabeth Kanwar, Joseph Somers, Jacyln Proctor, Nancy Prospero, Mark Woodhead
Background: The majority of patients with community acquired-pneumonia (CAP) are treated in primary care and the mortality in this group is very low. However, a small but significant proportion of patients who begin treatment in the community subsequently require admission due to symptomatic deterioration. This study compared patients who received community antibiotics prior to admission to those who had not, and looked for associations with clinical outcomes. Methods: This study analysed the Advancing Quality (AQ) Pneumonia database of patients admitted with CAP to 9 acute hospitals in the northwest of England over a 12-month period...
2018: Pneumonia
Christopher E Bagwell, Peter A Noble, Charles E Milliken, Dien Li, Daniel I Kaplan
Water quality is an important determinant for the structural integrity of alloy cladded fuels and assemblies during long-term wet storage. Detailed characterization of a water filled storage basin for spent nuclear reactor fuel was performed following the formation and proliferation of an amorphous white flocculent. White precipitant was sampled throughout the storage basin for chemical and spectroscopic characterization, and environmental DNA was extracted for 454 pyrosequencing of bacterial 16S rRNA gene diversity...
2018: Frontiers in Microbiology
Marco Cullere, Antonella Dalle Zotte, Giulia Tasoniero, Valerio Giaccone, Zsolt Szendrő, Melinda Szín, Meinrad Odermatt, Zsolt Gerencsér, Alessandro Dal Bosco, Zsolt Matics
The combined effect of two dietary lipid sources (sunflower vs linseed oil) and three packaging methods (PVC film - BAG, modified atmosphere CO2 20% + 80% O2 - MAP, and vacuum - VAC) on the shelf-life (pH, color, microbial count, sensory traits) of rabbit loins was tested at days 1, 4 and 10 of refrigerated storage. Linseed oil did not adversely affect neither the physical or sensory traits, nor the microbiological quality of rabbit meat throughout the shelf-life trial. The three packaging methods were all similarly effective in maintaining the physical and sensory quality of the meat, irrespective of the different dietary lipid sources and thus different susceptibility to oxidation...
March 21, 2018: Meat Science
Heidy M W den Besten, Marjon H J Wells-Bennik, Marcel H Zwietering
Heat treatments are widely used in food processing often with the aim of reducing or eliminating spoilage microorganisms and pathogens in food products. The efficacy of applying heat to control microorganisms is challenged by the natural diversity of microorganisms with respect to their heat robustness. This review gives an overview of the variations in heat resistances of various species and strains, describes modeling approaches to quantify heat robustness, and addresses the relevance and impact of the natural diversity of microorganisms when assessing heat inactivation...
March 25, 2018: Annual Review of Food Science and Technology
Agata Los, Dana Ziuzina, Simen Akkermans, Daniela Boehm, Patrick J Cullen, Jan Van Impe, Paula Bourke
Contamination of cereal grains as a key global food resource with insects or microorganisms is a persistent concern for the grain industry due to irreversible damage to quality and safety characteristics and economic losses. Atmospheric cold plasma presents an alternative to conventional grain decontamination methods owing to the high antimicrobial potential of reactive species generated during the treatment, but effects against product specific microflora are required to understand how to optimally develop this approach for grains...
April 2018: Food Research International
Rudy Caparros Megido, Christine Poelaert, Marjorie Ernens, Marisa Liotta, Christophe Blecker, Sabine Danthine, Eva Tyteca, Éric Haubruge, Taofic Alabi, Jérôme Bindelle, Frédéric Francis
Mealworms are new food products in Europe, but consumers do not know how to cook them. Although cooking could increase the safety, acceptability, palatability, and digestibility of insects, the heating process could have deleterious effects on protein and lipid quality. Therefore, this study characterized the effects of different household cooking methods (boiling, pan-frying, vacuum cooking, and oven cooking) on the microbial load and nutritive value of mealworms, with a focus on protein digestibility and fatty acid composition...
April 2018: Food Research International
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