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https://www.readbyqxmd.com/read/28098355/a-comparative-study-on-composition-and-antioxidant-activities-of-supercritical-carbon-dioxide-hexane-and-ethanol-extracts-from-blackberry-rubus-fruticosus-growing-in-poland
#1
Anna Wajs-Bonikowska, Agnieszka Stobiecka, Radosław Bonikowski, Agnieszka Krajewska, Magdalena Sikora, Józef Kula
BACKGROUND: Large quantities of blackberry seeds are produced as a pomace during the processing of juice and jam production - this by-product is a very interesting raw material both for oil manufacturing and as a source of bioactive compounds. In this work the composition, yield and antioxidant activity of three types of Rubus fructicosus pomace extracts isolated by liquid-extraction using solvents of different polarity, as well with supercritical CO2 fluid extraction have been compared...
January 18, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28072918/production-of-staphylococcal-enterotoxins-d-and-r-in-milk-and-meat-juice-by-staphylococcus-aureus-strains
#2
Justyna Schubert, Magdalena Podkowik, Jarosław Bystroń, Jacek Bania
Seventeen Staphylococcus aureus strains were tested for production of staphylococcal enterotoxin D (SED) and staphylococcal enterotoxin R (SER) in milk and meat juice. SED was secreted in milk by 12 S. aureus strains at 6-54 ng/mL at 24 h and 9-98 ng/mL at 48 h. Another five strains secreted SED at 0.9-1.9 μg/mL at 24 h and at 1.2-2.4 μg/mL at 48 h. Strains producing high levels of SED in milk secreted 77-666 μg/mL of SED in meat juice at 24 h and 132-1225 μg/mL at 48 h. Strains producing lower amounts of SED in milk secreted 228-1109 ng/mL of SED at 24 h and 377-1782 ng/mL at 48 h in meat juice...
January 10, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28044237/relationship-between-plasma-levels-of-zonulin-bacterial-lipopolysaccharides-d-lactate-and-markers-of-inflammation-in-haemodialysis-patients
#3
Joanna Ficek, Katarzyna Wyskida, Rafał Ficek, Jarosław Wajda, Dariusz Klein, Joanna Witkowicz, Sylwia Rotkegel, Urszula Spiechowicz-Zatoń, Joanna Kocemba-Dyczek, Jarosław Ciepał, Andrzej Więcek, Magdalena Olszanecka-Glinianowicz, Jerzy Chudek
BACKGROUND: Increased permeability of the intestinal wall and intestinal dysbiosis may contribute to chronic systemic inflammation, one of the causes of accelerated atherosclerosis and cardiovascular morbidity and mortality burden in patients with chronic kidney disease. The aim of this study was to evaluate the association between markers of intestinal permeability and inflammation in haemodialysis (HD) patients. METHODS: Plasma concentration of zonulin, haptoglobin, TNFα, IL6, D-lactates and bacterial lipopolysaccharides (LPS) was assessed in blood samples obtained after overnight fast before midweek morning HD session in 150 stable, prevalent HD patients...
January 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28028960/detection-of-salmonella-in-foods-using-a-reference-pn-iso-method-and-an-alternative-method-based-on-loop-mediated-isothermal-amplification-coupled-with-bioluminescence
#4
Jolanta Sarowska, Magdalena Frej-Mądrzak, Agnieszka Jama-Kmiecik, Anna Kilian, Dorota Teryks-Wołyniec, Irena Choroszy-Król
BACKGROUND: Salmonella, one of the primary indicators of food safety, is a common cause of food poisoning of an epidemic nature around the world. These microorganisms can colonize the gastrointestinal tract of both people and animals, and next contaminate not only eggs, milk, meat and dairy products, but also vegetables, fruit, grains and even spices. OBJECTIVES: The aim of this study was to analyze the frequency of detection of Salmonella spp. in food samples using a reference PN-ISO method and an alternative method based on loop-mediated isothermal amplification (LAMP) coupled with bioluminescence...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28005942/relative-contribution-of-matrix-structure-patch-resources-and-management-to-the-local-densities-of-two-large-blue-butterfly-species
#5
Joanna Kajzer-Bonk, Piotr Skórka, Piotr Nowicki, Maciej Bonk, Wiesław Król, Damian Szpiłyk, Michal Woyciechowski
The type of matrix, the landscape surrounding habitat patches, may determine the distribution and function of local populations. However, the matrix is often heterogeneous, and its various components may differentially contribute to metapopulation processes at different spatial scales, a phenomenon that has rarely been investigated. The aim of this study was to estimate the relative importance of matrix composition and spatial scale, habitat quality, and management intensity on the occurrence and density of local populations of two endangered large blue butterflies: Phengaris teleius and P...
2016: PloS One
https://www.readbyqxmd.com/read/27973565/nutritional-profile-and-chemical-stability-of-pasta-fortified-with-tilapia-oreochromis-niloticus-flour
#6
Maria Lúcia G Monteiro, Eliane T Mársico, Manoel S Soares, Amanda O Magalhães, Anna Carolina V C S Canto, Bruno R C Costa-Lima, Thiago S Alvares, Carlos A Conte
Physicochemical parameters of pasta enriched with tilapia (Oreochromis niloticus) flour were investigated. Five formulations were prepared with different concentrations of tilapia flour as partial substitute of wheat flour: pasta without tilapia flour (PTF0%), pasta with 6% (PTF6%), 12% (PTF12%), 17% (PTF17%), and 23% (PTF23%) of tilapia flour. The formulations were assessed for proximate composition, fatty acid and amino acid profile on day 1 whereas, instrumental color parameters (L*, a* and b* values), pH, water activity (aw), and lipid and protein oxidation were evaluated on days 1, 7, 14, and 21 of storage at 25°C...
2016: PloS One
https://www.readbyqxmd.com/read/27935764/morphofunctional-renal-alterations-in-progeny-of-mice-fed-rhodiola-kirilowii-extracts-or-epigallocatechin-during-pregnancy-and-lactation
#7
Sławomir Lewicki, Ewa Skopińska-Różewska, Barbara Joanna Bałan, Bolesław Kalicki, Janusz Patera, Jacek Wilczak, Aleksander Wasiutyński, Robert Zdanowski
Treating infections in pregnant patients is potentially dangerous even when herbal medicines are used. Many herbal medicines, among them extracts from plants of Rhodiola genus, have antimicrobial, anti-inflammatory, and immunostimulatory properties owing to their polyphenol content; they may, however, affect fetal development due to their antiangiogenic properties. The aim of this study was to explain whether daily feeding pregnant and lactating mice with 20 mg/kg Rhodiola kirilowii aqueous (RKW) or 50% hydro-alcoholic (RKW-A) extracts, or 0...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27905825/saliva-volatile-biomarkers-and-profiles
#8
Maciej Milanowski, Paweł Pomastowski, Tomasz Ligor, Bogusław Buszewski
Saliva is an aqueous fluid found in the oral cavity playing fundamental role in the preservation and maintenance of oral health. Apart from higher molecular-weight constituents, it contains volatile organic compounds (VOCs) that may origin from such sources such as blood or be a result of bacterial metabolism. They can also reach the oral fluid through dissolving of volatiles from breath and consumed foods. Some of them may serve as biomarkers of various diseases, such as dimethyl disulfide (halitosis), pyridine (periodontal disease) and trimethylamine (trimethylaminuria) or occupational exposure...
December 1, 2016: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/27904392/the-effect-of-oat-fibre-powder-particle-size-on-the-physical-properties-of-wheat-bread-rolls
#9
Marcin Kurek, Jarosław Wyrwisz, Monika Piwińska, Agnieszka Wierzbicka
In response to the growing interest of modern society in functional food products, this study attempts to develop a bakery product with high dietary fibre content added in the form of an oat fibre powder. Oat fibre powder with particle sizes of 75 µm (OFP1) and 150 µm (OFP2) was used, substituting 4, 8, 12, 16 and 20% of the flour. The physical properties of the dough and the final bakery products were then measured. Results indicated that dough with added fibre had higher elasticity than the control group...
March 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27902396/determination-of-antimicrobial-resistance-of-enterococcus-strains-isolated-from-pigs-and-their-genotypic-characterization-by-method-of-amplification-of-dna-fragments-surrounding-rare-restriction-sites-the-adsrrs-fingerprinting
#10
Aneta Nowakiewicz, Grażyna Ziółkowska, Aleksandra Trościańczyk, Przemysław Zięba, Sebastian Gnat
In this study, we analysed phenotypic resistance profiles and their reflection in the genomic profiles of Enterococcus spp. strains isolated from pigs raised on different farms. Samples were collected from five pig farms (n=90 animals) and tested for Enterococcus. Minimum inhibitory concentrations of 12 antimicrobials were determined using the broth microdilution method, and epidemiological molecular analysis of strains belonging to selected species (E. faecalis, E. faecium and E. hirae) was performed using the ADSRRS-fingerprinting method with a few modifications...
November 28, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27896025/zebra-mussel-beds-an-effective-feeding-ground-for-ponto-caspian-gobies-or-suitable-shelter-for-their-prey
#11
Jarosław Kobak, Małgorzata Poznańska, Łukasz Jermacz, Tomasz Kakareko, Daniel Prądzynski, Małgorzata Łodygowska, Karolina Montowska, Karolina Bącela-Spychalska
Aggregations of the Ponto-Caspian invasive zebra mussel (Dreissena polymorpha) constitute a suitable habitat for macroinvertebrates, considerably increasing their abundance and providing effective antipredator protection. Thus, the overall effect of a mussel bed on particular predator species may vary from positive to negative, depending on both prey density increase and predator ability to prey in a structurally complex habitat. Alien Ponto-Caspian goby fish are likely to be facilitated when introduced into new areas by zebra mussels, provided that they are capable of utilizing mussel beds as habitat and feeding grounds...
2016: PeerJ
https://www.readbyqxmd.com/read/27883354/-the-impact-of-the-consumption-of-fiber-and-milk-on-the-development-of-colorectal-carcinoma
#12
REVIEW
Kuba Marciniak, Mirosław Kiedrowski, Danuta Gajewska, Andrzej Deptała, Dariusz Włodarek
Colorectal carcinoma (CRC) is a diet-related disease. The high incidence of CRC is related to the excessive consumption of certain foods and a westernized lifestyle of contemporary societies. Obesity and low physical activity remain significant risk factors for CRC development. Molecular pathogenesis of CRC is fairly well recognized, which contributes to the formulation of hypotheses and conducting research on the participation of nutritional factors in the CRC development. This contribution remains diverse and for many food components a protective effect on colorectal carcinogenesis has been demonstrated...
November 25, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27857712/some-like-it-hot-heat-resistance-of-escherichia-coli-in-food
#13
REVIEW
Hui Li, Michael Gänzle
Heat treatment and cooking are common interventions for reducing the numbers of vegetative cells and eliminating pathogenic microorganisms in food. Current cooking method requires the internal temperature of beef patties to reach 71°C. However, some pathogenic Escherichia coli such as the beef isolate E. coli AW 1.7 are extremely heat resistant, questioning its inactivation by current heat interventions in beef processing. To optimize the conditions of heat treatment for effective decontaminations of pathogenic E...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27820667/dissipation-of-difenoconazole-in-apples-used-for-production-of-baby-food
#14
Ewa Szpyrka, Stanisław Walorczyk
Dissipation of fungicide difenoconazole (3-chloro-4-[(2RS,4RS;2RS,4SR)-4-methyl-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-2-yl]phenyl 4-chlorophenyl ether) was studied following its application on apples intended for production of baby food. The apples (varieties: Jonagold Decosta, Gala and Idared) were sprayed with the formulation to control pathogens causing fungal diseases: powdery mildew (Podosphaera leucotricha ELL et Ev./Salm.) and apple scab (Venturia inaequalis Cooke/Aderh.). A validated gas chromatography-based method with simultaneous electron capture and nitrogen phosphorus detection (GC-ECD/NPD) was used for the residue analysis...
February 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/27814545/effect-of-spatial-resolution-of-soil-data-on-predictions-of-eggshell-trace-element-levels-in-the-rook-corvus-frugilegus
#15
Grzegorz Orłowski, Grzegorz Siebielec, Zbigniew Kasprzykowski, Wojciech Dobicki, Przemysław Pokorny, Andrzej Wuczyński, Ryszard Polechoński, Tomasz D Mazgajski
Although a considerable research effort has gone into studying the dietary pathways of metals to the bodies of laying female birds and their eggs in recent years, no detailed investigations have yet been carried out relating the properties of the biogeochemical environment at large spatial scales to eggshell trace element levels in typical soil-invertebrate feeding birds under natural conditions. We used data from a large-scale nationwide monitoring survey of soil quality in Poland (3724 sampling points from the 43 792 available) to predict levels of five trace elements (copper [Cu], cadmium [Cd], nickel [Ni], zinc [Zn] and lead [Pb]) in Rook Corvus frugilegus eggshells from 42 breeding colonies...
December 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27810446/aspergillus-westerdijkiae-as-a-major-ochratoxin-a-risk-in-dry-cured-ham-based-media
#16
Ziva Vipotnik, Alicia Rodríguez, Paula Rodrigues
Penicillium nordicum is well known for its ability to produce high amounts of ochratoxin A (OTA) in cured meat-derived products. On the other hand, Aspergillus westerdijkiae, one of the most relevant OTA-producing species of the genus Aspergillus, is usually considered a major risk in carbon-rich food matrices of plant origin. The objective of this work was to evaluate, for the first time, the ecophysiological conditions governing growth, OTA production and sporulation of A. westerdijkiae (the type-strain and one ham-native strain), in comparison with P...
January 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27780083/temperature-water-activity-and-ph-during-conidia-production-affect-the-physiological-state-and-germination-time-of-penicillium-species
#17
Nicolas Nguyen Van Long, Valérie Vasseur, Louis Coroller, Philippe Dantigny, Sophie Le Panse, Amélie Weill, Jérôme Mounier, Karim Rigalma
Conidial germination and mycelial growth are generally studied with conidia produced under optimal conditions to increase conidial yield. Nonetheless, the physiological state of such conidia most likely differs from those involved in spoilage of naturally contaminated food. The present study aimed at investigating the impact of temperature, pH and water activity (aw) during production of conidia on the germination parameters and compatible solutes of conidia of Penicillium roqueforti and Penicillium expansum...
January 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27779837/foodborne-botulism-in-poland-in-2014
#18
Michał Czerwiński, Mirosław P Czarkowski, Barbara Kondej
OBJECTIVES: The aim of the study is to assess the epidemiology of foodborne botulism in Poland in 2014 compared to previous years. MATERIALS AND METHODS: We reviewed (1) surveillance data published in the annual bulletin “Infectious diseases and poisonings in Poland in 2014” and in previous publications, and (2) unpublished data retrieved from botulism case reports for 2014 sent to the Department of Epidemiology NIPH-NIH by Sanitary-Epidemiological Stations...
2016: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/27760098/-the-impact-of-the-consumption-of-vegetables-fruits-coffee-and-tea-on-the-development-of-colorectal-carcinoma
#19
REVIEW
Kuba Marciniak, Mirosław Kiedrowski, Danuta Gajewska, Andrzej Deptała, Dariusz Włodarek
The development of colorectal carcinoma is a multistep process of accumulation of mutations and epigenetic changes associated with DNA repair, proliferation, apoptosis, intra- and extracellular signaling, adhesion and other physiological functions of cells and tissues. A long period of development, high colorectal carcinoma-related mortality as well as significant social and economic costs due to this condition are prerequisites for seeking efficient methods of cancer prevention, including nutritional approach...
October 19, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27710771/modelling-the-impact-of-water-activity-and-fat-content-of-dry-cured-ham-on-the-reduction-of-salmonella-enterica-by-high-pressure-processing
#20
S Bover-Cid, N Belletti, T Aymerich, M Garriga
This work aimed to quantify the impact of aw and fat content of dry-cured ham on the Log reduction of Salmonella enterica by high pressure (HP). Dry-cured ham with adjusted aw (0.86-0.96) and fat content (10-50%) was inoculated with S. enterica and pressurised (347-852MPa, 5min/15°C), following a Central Composite Design. Polynomial regression indicated a significant impact of pressure and aw on S. enterica HP-lethality. By lowering aw a clear piezoprotection was observed. At low aw (0.88) the S. enterica reduction was little affected by increasing pressure (e...
January 2017: Meat Science
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