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https://www.readbyqxmd.com/read/29150754/detoxification-of-aflatoxin-b1-by-antifungal-compounds-from-lactobacillus-brevis-and-lactobacillus-paracasei-isolated-from-dairy-products
#1
Eman Zakaria Gomaa, Manal Farouk Abdelall, Omima Mohammed El-Mahdy
Aflatoxins are a large group of highly toxic, mutagenic, and carcinogenic mycotoxins produced by specific species of fungi. Potential contamination of food commodities by these compounds causes extensive damage that lead to great economic losses. This study explored the potential use of antifungal compounds, produced by Lactobacillus brevis and Lactobacillus paracasei, for growth inhibition and subsequent aflatoxin B1 production from select strains of Aspergillus flavus and Aspergillus parasiticus. Lactobacilli strains were isolated from traditional Egyptian dairy products, whereas fungal strains were isolated from infected cereal seeds...
November 18, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29150632/mucoadhesive-functionality-of-cell-wall-structures-from-fruits-and-grains-electrostatic-and-polymer-network-interactions-mediated-by-soluble-dietary-polysaccharides
#2
Oliver W Meldrum, Gleb E Yakubov, Ghanendra Gartaula, Michael A McGuckin, Michael J Gidley
We demonstrate the enhancement of intestinal mucin (Muc2) binding to plant cell wall structures from fruit (parenchymal apple tissue) and grain (wheat endosperm) mediated by soluble dietary fibers embedded within cellulose networks. Mucin binding occurs through two distinct mechanisms; for pectin polysaccharides characteristic of fruits and vegetables, it is governed by molecular mucoadhesive interactions, while for neutral polysaccharides, arabinoxylan and β-glucan characteristic of cereal grains, the interaction stems from the properties of their polymer network...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29148251/the-enzymatic-detoxification-of-the-mycotoxin-deoxynivalenol-identification-of-depa-from-the-don-epimerization-pathway
#3
Jason Carere, Yousef I Hassan, Dion Lepp, Ting Zhou
The biological detoxification of mycotoxins, including deoxynivalenol (DON), represents a very promising approach to address the challenging problem of cereal grain contamination. The recent discovery of Devosia mutans 17-2-E-8 (Devosia spp. 17-2-E-8), a bacterial isolate capable of transforming DON to the non-toxic stereoisomer 3-epi-deoxynivalenol, along with earlier reports of bacterial species capable of oxidizing DON to 3-keto-DON, has generated interest in the possible mechanism and enzyme(s) involved...
November 17, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/29147976/evaluation-of-microbial-consortia-and-chemical-changes-in-spontaneous-maize-bran-fermentation
#4
Marilù Decimo, Mattia Quattrini, Giovanni Ricci, Maria Grazia Fortina, Milena Brasca, Tiziana Silvetti, Federica Manini, Daniela Erba, Franca Criscuoli, Maria Cristina Casiraghi
Sustainable exploitation of agro-industrial by-products has attracted great interest in cereal bran valorization. In this research, a polyphasic approach has been carried out to characterize maize bran at microbiological and chemical level during a sourdough like fermentation process, in order to enhance its technological and nutritional properties. Autochthonous microbiota was isolated at different refreshment steps and subjected to identification and molecular characterization. Fermentation was characterized by a rapid increase in lactic acid bacteria and yeasts, with a co-dominance, at the initial stage, of Weissella spp...
November 16, 2017: AMB Express
https://www.readbyqxmd.com/read/29146521/hla-dq-gluten-tetramer-blood-test-accurately-identifies-patients-with-and-without-celiac-disease-in-absence-of-gluten-consumption
#5
Vikas K Sarna, Knut E A Lundin, Lars Mørkrid, Shuo-Wang Qiao, Ludvig M Sollid, Asbjørn Christophersen
BACKGROUND & AIMS: Celiac disease is characterized by HLA-DQ2/8-restricted responses of CD4+ T cells to cereal gluten proteins. A diagnosis of celiac disease based on serologic and histologic evidence and duodenal histology requires patients to be on gluten-containing diets. The growing number of individuals adhering to a gluten-free diet (GFD) without exclusion of celiac disease complicates its detection. HLA-DQ-gluten tetramers can be used to detect gluten-specific T cells in blood of patients with celiac disease, even if they are on a GFD...
November 13, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29145617/radiological-impact-of-some-common-foods-of-southern-part-of-west-bengal-india
#6
Biswajit Das, Argha Deb, Saheli Chowdhury
An appreciable portion of human exposure to natural radioactivity comes from food and drinking water. Gross alpha radioactivity has been measured in thirty one food items consumed almost every day by the people of southern part of West Bengal, India, by using the solid state nuclear track detector LR-115. The annual effective doses due to intake of alpha-emitting radionuclides through these food items have also been estimated, and the total average annual dose received by an adultthrough ingestion of these foodstuffs calculated, considering the food habit of the people of the region...
November 14, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29145136/lead-cadmium-and-arsenic-in-human-milk-and-their-socio-demographic-and-lifestyle-determinants-in-lebanon
#7
Maya Bassil, Farah Daou, Hussein Hassan, Osama Yamani, Joelle Abi Kharma, Zouheir Attieh, Jomana Elaridi
INTRODUCTION: Exposure of newborns to toxic metals is of special interest due to their reported contamination in breast milk and potential harm. The aim of this study was to assess the occurrence and factors associated with lead, cadmium and arsenic contamination in breast milk collected from lactating mothers in Lebanon. METHODS: A total of 74 breast milk samples were collected from primaparas according to guidelines set by the World Health Organization. A survey was administered to determine the demographic and anthropometric characteristics of participating lactating mothers...
October 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/29145111/a-novel-protein-tyrosine-phosphatase-like-phytase-from-lactobacillus-fermentum-nkn51-cloning-characterization-and-application-in-mineral-release-for-food-technology-applications
#8
Rekha Sharma, Piyush Kumar, Vandana Kaushal, Rahul Das, Naveen Kumar Navani
A novel protein tyrosine phosphatase like phytase (PTPLP), designated as PhyLf from probiotic bacterium Lactobacillus fermentum NKN51 was identified, cloned, expressed and characterized. The recombinant PhyLf showed specific activity of 174.5 U/mg. PhyLf exhibited strict specificity towards phytate and optimum temperature at 60 °C, pH 5.0 and ionic strength of 100 mM. Km and Kcat of PhyLf for phytate were 0.773 mM and 84.31 s(-1), respectively. PhyLf exhibited high resistance against oxidative inactivation...
November 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29145069/the-sultr-gene-family-in-maize-zea-mays-l-gene-cloning-and-expression-analyses-under-sulfate-starvation-and-abiotic-stress
#9
Qin Huang, Meiping Wang, Zongliang Xia
Sulfur is an essential macronutrient required for plant growth, development and stress responses. The family of sulfate transporters (SULTRs) mediates the uptake and translocation of sulfate in higher plants. However, basic knowledge of the SULTR gene family in maize (Zea mays L.) is scarce. In this study, a genome-wide bioinformatic analysis of SULTR genes in maize was conducted, and the developmental expression patterns of the genes and their responses to sulfate starvation and abiotic stress were further investigated...
November 10, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/29144429/does-perception-of-dietary-fiber-mediate-the-impact-of-nutrition-knowledge-on-eating-fiber-rich-bread
#10
Maria Królak, Marzena Jeżewska-Zychowicz, Marta Sajdakowska, Jerzy Gębski
The average daily intake of fiber is still too low in relation to nutritional recommendations, as was found in several studies. Therefore, it is necessary to recommend ways to increase fiber intake in the diet. Increasing the consumption of bread rich in fiber as a substitute of white bread is one of the ways to increase fiber intake. The aim of this study was to find out whether nutrition knowledge and perception of dietary fiber affected the frequency of eating wholemeal bread and white bread fortified with fiber...
November 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29143934/evaluation-of-antioxidative-and-diabetes-preventive-properties-of-an-ancient-grain-kamut-%C3%A2-khorasan-wheat-in-healthy-volunteers
#11
Caterina Trozzi, Francesca Raffaelli, Arianna Vignini, Laura Nanetti, Rosaria Gesuita, Laura Mazzanti
PURPOSE: Recently, there was an increasing interest on the use of ancient grains because of their better health-related composition. The aim of this study was to evaluate in healthy human subjects the antioxidative and diabetes-preventive properties of ancient KAMUT(®) khorasan wheat compared to modern wheat. METHODS: The study was a randomized, non-blind, parallel arm study where the biochemical parameters of volunteers with a diet based on organic whole grain KAMUT(®) khorasan products, as the only source of cereal products were compared to a similar replacement diet based on organic whole grain modern durum wheat products...
November 16, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29143803/use-of-novel-high-protein-functional-food-products-as-part-of-a-calorie-restricted-diet-to-reduce-insulin-resistance-and-increase-lean-body-mass-in-adults-a-randomized-controlled-trial
#12
Carol S Johnston, Barry Sears, Mary Perry, Jessica R Knurick
Significant reductions in insulin resistance (IR) can be achieved by either calorie restriction or by the increase of lean mass. However, calorie restriction usually results in significant loss of lean mass. A 6-week randomized controlled feeding trial was conducted to determine if a calorie-restricted, high-protein diet (~125 g protein/day consumed evenly throughout the day) using novel functional foods would be more successful for reducing IR in comparison to a conventional diet (~80 g protein/day) with a similar level of calorie restriction...
October 28, 2017: Nutrients
https://www.readbyqxmd.com/read/29143606/metabolic-pathways-and-genes-identified-by-rna-seq-analysis-of-barley-near-isogenic-lines-differing-by-allelic-state-of-the-black-lemma-and-pericarp-blp-gene
#13
Anastasiya Y Glagoleva, Nikolay A Shmakov, Olesya Y Shoeva, Gennady V Vasiliev, Natalia V Shatskaya, Andreas Börner, Dmitry A Afonnikov, Elena K Khlestkina
BACKGROUND: Some plant species have 'melanin-like' black seed pigmentation. However, the chemical and genetic nature of this 'melanin-like' black pigment have not yet been fully explored due to its complex structure and ability to withstand almost all solvents. Nevertheless, identification of genetic networks participating in trait formation is key to understanding metabolic processes involved in the expression of 'melanin-like' black seed pigmentation. The aim of the current study was to identify differentially expressed genes (DEGs) in barley near-isogenic lines (NILs) differing by allelic state of the Blp (black lemma and pericarp) locus...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29143603/evolution-of-vrn-1-homoeologous-loci-in-allopolyploids-of-triticum-and-their-diploid-precursors
#14
REVIEW
Andrey B Shcherban, Elena A Salina
BACKGROUND: The key gene in genetic system controlling the duration of the vegetative period in cereals is the VRN1 gene, whose product under the influence of low temperature (vernalization) promotes the transition of the apical meristem cells into a competent state for the development of generative tissues of spike. As early genetic studies shown, the dominant alleles of this gene underlie the spring forms of plants that do not require vernalization for this transition. In wheat allopolyploids various combinations of alleles of the VRN1 homoeologous loci (VRN1 homoeoalleles) provide diversity in such important traits as the time to heading, height of plants and yield...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29143243/seasonal-variation-and-diet-quality-among-spanish-people-aged-over-55%C3%A2-years
#15
R Aparicio-Ugarriza, C Rumi, R Luzardo-Socorro, J Mielgo-Ayuso, G Palacios, M M Bibiloni, A Julibert, E Argelich, J A Tur, M González-Gross
There is evidence supporting the importance of a healthy diet; however, there are few studies analyzing the seasonal variation of food intake. The present study was aimed to evaluate seasonal variation of food and energy intake in Spanish elderly also to investigate diet quality based on the Healthy Eating Index (HEI) score. From a cross-sectional study, 28 individuals (39% males) aged over 55 years volunteered for a longitudinal follow-up. Dietary assessment was evaluated through 24-h dietary recalls. Energy and nutrient intake were calculated using DIAL software...
November 15, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29142591/a-novel-highly-efficient-%C3%AE-glucosidase-with-a-cellulose-binding-domain-characterization-and-properties-of-native-and-recombinant-proteins
#16
J A Méndez-Líter, J Gil-Muñoz, M Nieto-Domínguez, J Barriuso, L I de Eugenio, M J Martínez
Background: Cellulose, the most abundant biopolymer on earth, is an alternative for fossil fuels as a renewable feedstock for the production of second-generation biofuels and other chemicals. The discovery of novel, highly efficient β-glucosidases remains as one of the major bottlenecks for cellulose degradation. In this context, the ascomycete Talaromyces amestolkiae, isolated from cereal samples, has been studied as a promising source for these enzymes. Results: BGL-2 is the major β-glucosidase secreted by this fungus in the presence of cellulosic inductors...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29142587/factors-associated-with-the-high-prevalence-of-oesophageal-cancer-in-western-kenya-a-review
#17
REVIEW
Gabriel Kigen, Naftali Busakhala, Zipporah Kamuren, Hillary Rono, Wilfred Kimalat, Evangeline Njiru
Oesophageal carcinoma (OC) is highly prevalent in Western Kenya especially among the members of the Kalenjin community who reside in the Northern and Southern areas of the Rift Valley. Previous authors have suggested potential association of environmental and genetic risk factors with this high prevalence. The environmental factors that have been suggested include contamination of food by mycotoxins and/or pesticides, consumption of traditional alcohol (locally referred to "Busaa" and "Chan'gaa"), use of fermented milk ("Mursik"), poor diet, tobacco use and genetic predisposition...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29141711/application-of-gas-chromatography-coupled-to-quadrupole-orbitrap-mass-spectrometry-for-pesticide-residue-analysis-in-cereals-and-feed-ingredients
#18
Marc Tienstra, Hans G J Mol
A method for residue analysis of pesticides and polychlorinated biphenyls in cereals and feed ingredients based on QuEChERS extraction, programmed temperature vaporizer large-volume injection, and GC with electron ionization (EI) quadrupole Orbitrap full-scan high-resolution MS (60 000 full width at half-maximum at m/z 200) has been developed. In addition to full-scan acquisition, simultaneous full-scan and selected-ion monitoring acquisition was used to improve detectability in incidental cases in which analytes coeluted with intense signals from coextractants...
November 16, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29141484/cereal-fibre-intake-in-australia-a-cross-sectional-analysis-of-the-2011-12-national-nutrition-and-physical-activity-survey
#19
Eden M Barrett, Yasmine C Probst, Eleanor J Beck
Extensive evidence supports health benefits of cereal fibre, however globally no national intake data exists. This study aimed to determine estimates of intake and food sources of cereal fibre, and relationships to dietary fibre intake in an Australian sample population. A cereal fibre database was applied to dietary intake data from the 2011-12 National Nutrition and Physical Activity Survey (n = 12,153). Usual intake based on 2-day intake data was weighted to infer population results. Median daily cereal fibre intake was 6...
November 15, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/29141231/molecular-mechanism-by-which-prominent-human-gut-bacteroidetes-utilize-mixed-linkage-beta-glucans-major-health-promoting-cereal-polysaccharides
#20
Kazune Tamura, Glyn R Hemsworth, Guillaume Déjean, Theresa E Rogers, Nicholas A Pudlo, Karthik Urs, Namrata Jain, Gideon J Davies, Eric C Martens, Harry Brumer
No abstract text is available yet for this article.
November 14, 2017: Cell Reports
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