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https://www.readbyqxmd.com/read/29454816/optimization-of-granular-waste-production-based-on-mechanical-properties
#1
Ali Ghasemi, Reza Amiri Chayjan, Hossein Jahanian Najafabadi
Pellet production of food and agricultural wastes is a suitable method to supply livestock feed. Mechanical properties of pellets play an important role in their handling and transportation. In this study, the mechanical properties of pellets made from waste are investigated. After the pelleting process, the pellets were dried with a laboratory convective hot air dryer until reaching a safe moisture content. The effects of feedstock moisture content (0.54, 0.88, and 1.2 kgw kgDM -1 ), particle size (PS < 0...
February 14, 2018: Waste Management
https://www.readbyqxmd.com/read/29454644/testing-aggressive-behaviour-in-a-feeding-context-importance-of-ethologically-relevant-stimuli
#2
Daniel González, Péter Szenczi, Oxána Bánszegi, Robyn Hudson
The choice of stimuli used in tests of animal behaviour can have a critical effect on the outcome. Here we report two experiments showing how different foods influence aggressive behaviour in competition tests at weaning among littermates of the domestic cat. Whereas in Experiment 1 canned food elicited almost no overt competition, a piece of raw beef rib elicited clearly aggressive behaviour among littermates. In Experiment 2 the food stimuli were chosen to differ from raw beef rib in various combinations of taste/smell, texture and monopolizability...
February 15, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29454325/latent-tuberculosis-infection-and-associated-risk-indicators-in-pastoral-communities-in-southern-ethiopia-a-community-based-cross-sectional-study
#3
Takele Teklu, Mengistu Legesse, Girmay Medhin, Aboma Zewude, Mahlet Chanyalew, Martha Zewdie, Biniam Wondale, Milkessa Haile-Mariam, Rembert Pieper, Gobena Ameni
BACKGROUND: Research pertaining to the community-based prevalence of latent tuberculosis infection (LTBI) is important to understand the magnitude of this infection. This study was conducted to estimate LTBI prevalence and to identify associated risk factors in the Omo Zone of Southern Ethiopia. METHODS: A community-based cross-sectional study was conducted in six South Omo districts from May 2015 to February 2016. The sample size was allocated to the study districts proportional to their population sizes...
February 17, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29453646/estimation-of-radionuclide-concentrations-and-average-annual-committed-effective-dose-due-to-ingestion-for-the-population-in-the-red-river-delta-vietnam
#4
Tran Thi Van, Luu Tam Bat, Dang Duc Nhan, Nguyen Hao Quang, Bui Duy Cam, Luu Viet Hung
Radioactivity concentrations of nuclides of the 232 Th and 238 U radioactive chains and 40 K, 90 Sr, 137 Cs, and 239+240 Pu were surveyed for raw and cooked food of the population in the Red River delta region, Vietnam, using α-, γ-spectrometry, and liquid scintillation counting techniques. The concentration of 40 K in the cooked food was the highest compared to those of other radionuclides ranging from (23 ± 5) (rice) to (347 ± 50) Bq kg -1 dw (tofu). The 210 Po concentration in the cooked food ranged from its limit of detection (LOD) of 5 mBq kg -1 dw (rice) to (4...
February 16, 2018: Environmental Management
https://www.readbyqxmd.com/read/29453267/plant-microbe-and-abiotic-factors-influencing-salmonella-survival-and-growth-on-alfalfa-sprouts-and-swiss-chard-microgreens
#5
Elizabeth Reed, Christina M Ferreira, Rebecca Bell, Eric W Brown, Jie Zheng
Microgreens, like sprouts, are relatively fast growing, and generally consumed raw. Moreover, as observed in sprouts, microbial contamination from preharvest sources could also be present in the production of microgreens. In this study, two Salmonella enterica serovars (Hartford and Cubana) applied, at multiple inoculation levels, were evaluated for survival and growth on alfalfa sprouts and Swiss chard microgreens using the most probable number (MPN) method. Various abiotic factors were also examined for their effects on Salmonella survival and growth on sprouts and microgreens...
February 16, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29452190/toxicity-assessment-of-mycotoxins-extracted-from-contaminated-commercial-dog-pelleted-feed-on-canine-blood-mononuclear-cells
#6
Sanil D Singh, Naeem Sheik-Abdul, Alisa Phulukdaree, Charlette Tiloke, Savani Nagiah, Sooraj Baijnath, Anil A Chuturgoon
Raw ingredients of pet food are often contaminated with mycotoxins. This is a serious health problem to pets and causes emotional and economical stress to the pet owners. The aim of this study was to determine the immunotoxicity of the most common mycotoxins (aflatoxin, fumonisin, ochratoxin A and zearalenone) by examining 20 samples of extruded dry dog food found on the South African market [10 samples from standard grocery store lines (SB), 10 from premium veterinarian lines (PB)]. Pelleted dog food was subjected to extraction protocols optimized for the above mentioned mycotoxins...
February 13, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29451808/implications-of-recent-research-on-microstructure-modifications-through-heat-related-processing-and-trait-alteration-to-bio-functions-molecular-thermal-stability-and-mobility-metabolic-characteristics-and-nutrition-in-cool-climate-cereal-grains-and-other-types
#7
Yuguang Ying, Huihua Zhang, Peiqiang Yu
The cutting-edge synchrotron radiation based and globar-sourced vibrational infrared microspectroscopy have recently been developed. These novel techniques are able to reveal structure features at cellular and molecular levels with the tested tissues being intact. However, to date, the advanced techniques are unfamiliar or unknown to food and feed scientists and have not been used to study the molecular structure changes in cool-climate cereal grain seeds and other types of bio-oil and bioenergy seeds. This article aims to provide some recent research in cool-climate cereal grains and other types of seeds on molecular structures and metabolic characteristics of carbohydrate and protein, and implication of microstructure modification through heat-related processing and trait alteration to bio-functions, molecular thermal stability and mobility, and nutrition with advanced molecular techniques- synchrotron radiation based and globar-sourced vibrational infrared microspectroscopy in the areas of (1) Inherent microstructure of cereal grain seeds; (2) The nutritional values of cereal grains; (3) Impact and modification of heat-related processing to cereal grain; (4) Conventional nutrition evaluation methodology; (5) Synchrotron radiation-based and globar-sourced vibrational (micro)-spectroscopy for molecular structure study and molecular thermal stability and mobility, and (6) Recent molecular spectroscopic technique applications in research on raw, traits altered and processed cool-climate cereal grains and other types of seeds...
February 16, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29448094/the-prevalence-and-antimicrobial-resistance-of-listeria-spp-in-raw-milk-and-traditional-dairy-products-delivered-in-yazd-central-iran-2016
#8
Fateme Akrami-Mohajeri, Zahra Derakhshan, Margherita Ferrantee, Negar Hamidiyan, Meysam Soleymani, Gea Oliveri Conti
Listeria monocytogenes is an important foodborne pathogen which its data in Iranian dairy products is limited. A total of 545 samples of traditional dairy products (raw milk, traditional cheese, traditional butter, traditional curd, and traditional ice cream) were collected from traditional dairy shops located in Yazd, Iran. L. monocytogenes was isolated, and positive samples were confirmed by polymerase chain reaction. Antibiotic sensitivity test was conducted to determine the antibiotic resistance. Listeria species were isolated from 11...
February 12, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29446686/survey-of-foodborne-pathogens-aerobic-plate-counts-total-coliform-counts-and-escherichia-coli-counts-in-leafy-greens-sprouts-and-melons-marketed-in-the-united-states
#9
Guodong Zhang, Yi Chen, Lijun Hu, David Melka, Hua Wang, Anna Laasri, Eric W Brown, Errol Strain, Marc Allard, Vincent K Bunning, Mickey Parish, Steven M Musser, Thomas S Hammack
The objective of this research was to assess the microbiological status of leafy greens, sprouts, and melons from U.S. markets. A total of 14,183 samples of leafy greens, 2,652 samples of sprouts, and 3,411 samples of melons were collected throughout the United States from 2009 to 2014. The samples were analyzed for aerobic plate counts, total coliform counts, Escherichia coli counts, and the presence and levels of Salmonella, Shigella, Listeria monocytogenes, and Shiga toxin-producing E. coli (STEC), depending on the year and type of produce...
February 15, 2018: Journal of Food Protection
https://www.readbyqxmd.com/read/29446666/the-impact-of-climate-change-on-raw-and-untreated-wastewater-use-for-agriculture-especially-in-arid-regions-a-review
#10
Dima Faour-Klingbeil, Ewen C D Todd
Climate change is one of the major challenges of our time that pose unprecedented stress to the environment and threats to human health. The global impacts of climate change are vast, spanning from extreme weather events to changes in patterns and distribution of infectious diseases. Lack of rainfall associated with higher temperatures has a direct influence on agricultural production. This is compounded by a growing population forecasted to expand further with increasing needs for food and water. All this has led to the increasing use of wastewater worldwide...
February 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/29442750/cooked-food-waste-an-efficient-and-less-expensive-precursor-for-the-generation-of-activated-carbon
#11
Thangavelu Krithiga, Xavier Janet Sabina, Baskaran Rajesh, Hamid Ilbeygi, Adka Nityananda Shetty, Ramanjaneya Reddy, Jayabalan Karthikeyan
Activated carbon was synthesized from cooked food waste, especially dehydrated rice kernels, by chemical activation method using NaOH and KOH as activating agents. It was then characterized by ultimate and proximate analysis, BET surface analysis, XRD, FTIR, Raman and SEM. The XRD patterns and Raman spectra confirmed the amorphous nature of the prepared activated carbons. Ultimate analysis showed an increase in the carbon content after activation of the raw carbon samples. Upon activation with NaOH and KOH, the surface area of the carbon sample was found to have increased from 0...
June 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29439713/potassium-permanganate-cleansing-is-an-effective-sanitary-method-for-the-reduction-of-bacterial-bioload-on-raw-coriandrum-sativum
#12
Supram Hosuru Subramanya, Vasudha Pai, Indira Bairy, Niranjan Nayak, Shishir Gokhale, Brijesh Sathian
OBJECTIVE: Raw vegetables including flowers, leaves, stems, and roots are important carriers of food borne pathogens. We evaluated the bacteriological contamination of unwashed coriander leaves, and effectiveness of cleansing with 0.1% potassium permanganate solution as decontamination method. RESULTS: Significant bacterial contamination including pathogens like Salmonella species and Aeromonas species were isolated from unwashed coriander leaves. Decontamination with 0...
February 13, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29438718/safety-potential-biotechnological-and-probiotic-properties-of-bacteriocinogenic-enterococcus-lactis-strains-isolated-from-raw-shrimps
#13
Olfa Ben Braïek, Stefano Morandi, Paola Cremonesi, Slim Smaoui, Khaled Hani, Taoufik Ghrairi
The aims of this study are to isolate new bacteriocinogenic lactic acid bacterial strains from white (Penaeus vannamei) and pink (Palaemon serratus) raw shrimps and evaluate their technological and probiotic potentialities. Seven strains were selected, among fifty active isolates, as producing interesting antimicrobial activity. Identified as Enterococcus lactis, these isolates were able to produce enterocins A, B and/or P. The safety aspect, assessed by microbiological and molecular tests, demonstrated that the strains were susceptible to relevant antibiotics such as vancomycin, negative for haemolysin and gelatinase activities, and did not harbour virulence and antibiotic resistance genes...
February 10, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29433775/some-physical-and-functional-properties-of-finger-millet-eleusine-coracana-obtained-in-sub-saharan-africa
#14
S E Ramashia, E T Gwata, S Meddows-Taylor, T A Anyasi, A I O Jideani
The study determined the physical properties of finger millet (FM) (Eluesine coracana) grains and the functional properties of FM flour. Physical properties such as colour attributes, sample weight, bulk density, true density, porosity, surface area, sample volume, aspect ratio, sphericity, dimensional properties and moisture content of grain cultivars were determined. Water absorption capacity (WAC), bulk density (BD), dispersibility, viscosity and micro-structure of FM flours were also evaluated. Data collected were analyzed using SPSS statistical software version 23...
February 2018: Food Research International
https://www.readbyqxmd.com/read/29423389/food-elimination-diet-and-nutritional-deficiency-in-patients-with-inflammatory-bowel-disease
#15
Hee-Sook Lim, Soon-Kyung Kim, Su-Jin Hong
Certain types of foods are common trigger for bowel symptoms such as abdominal discomfort or pain in patients with inflammatory bowel disease (IBD). But indiscriminate food exclusions from their diet can lead extensive nutritional deficiencies. The aim of this study was to investigate nutritional status, food restriction and nutrient intake status in IBD patients. A total 104 patients (food exclusion group: n = 49; food non-exclusion group: n = 55) participated in the survey. The contents were examined by 3 categories: 1) anthropometric and nutritional status; 2) diet beliefs and food restriction; and 3) nutrient intake...
January 2018: Clinical Nutrition Research
https://www.readbyqxmd.com/read/29423371/identification-of-a-thermal-stable-allergen-in-yam-dioscorea-opposita-to-cause-anaphylaxis
#16
Ying-Yang Xu, Jia Yin
Yam (Dioscorea opposita) is commonly consumed in East Asia, but allergic reaction to this plant food is rare. To date, there is no report of anaphylactic reaction after ingestion of cooked yam. We described 3 cases with anaphylaxis after eating boiled yam and 1 present with oral allergy syndrome as well. Basophil activation test in patients showed positive reactivity to boiled yam extract. In immunoblotting, a 30-kDa protein was recognized by all patients' sera and a 17-kDa band was detected by 1 patient. N-terminal amino acid revealed the 30-kDa IgE reacted band was DB3S, dioscorin in Dioscorea tuber...
January 2018: Asia Pacific Allergy
https://www.readbyqxmd.com/read/29421362/increased-exposure-to-extended-spectrum-%C3%AE-lactamase-producing-multidrug-resistant-enterobacteriaceae-through-the-consumption-of-chicken-and-sushi-products
#17
Ana Isabel Vitas, Dixita Naik, Lara Pérez-Etayo, David González
The aim of this study was to determine the occurrence and patterns of resistance of extended-spectrum β-lactamase (ESBL) producing Enterobacteriaceae in food products purchased in Navarra, northern Spain. A total of 174 samples of fish and chicken were analyzed from September 2015 to September 2016, including raw and ready-to-eat products: trout (n = 25), salmon (n = 28), panga (n = 13), chicken nuggets and chicken scalopes (n = 32), sushi (n = 31) and sliced cooked poultry (n = 45)...
February 1, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29419293/the-origin-of-xylitol-in-chewing-gum-a-compound-specific-isotope-technique-for-the-differentiation-of-corn-and-wood-based-xylitol-by-lc-irms
#18
Daniel Koester, Benjamin Wolbert, Marcel Schulte, Maik A Jochmann, Torsten Claus Schmidt
The sugar replacement compound xylitol has gained increasing attention due to its use in many commercial food products, dental hygiene articles and pharmaceuticals. It can be classified by the origin of the raw material used for the production. The traditional "birch xylitol" is considered a premium product in contrast to xylitol produced from agriculture byproducts such as corn husks or sugar cane straw. Bulk stable isotope analysis (BSIA) as well as compound-specific stable isotope analysis (CSIA) by LC-IRMS for chewing gum extracts was used to determine δ13C isotope signatures for xylitol...
February 8, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29417311/genotypic-diversity-of-streptococcus-suis-strains-isolated-from-humans-in-thailand
#19
Anusak Kerdsin, Yukihiro Akeda, Dan Takeuchi, Surang Dejsirilert, Marcelo Gottschalk, Kazunori Oishi
The purpose of this study is to characterize Streptococcus suis isolates recovered from human infections regarding serotype distribution, genotypic profile, clinical manifestations, and epidemiology. A total of 668 S. suis isolates recovered from human infections in Thailand were characterized based on serotyping by multiplex PCR and co-agglutination, genotypic profiles by multilocus sequence typing, and PCR for virulence-associated genes, as well as review of medical records. Serotype 2 (94.6%) was predominant, followed by serotype 14 (4...
February 7, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29416847/development-and-validation-of-a-standardized-double-blind-placebo-controlled-food-challenge-matrix-for-raw-hazelnuts
#20
Marjolein Vandekerckhove, Bart Van Droogenbroeck, Marc De Loose, Katleen Coudijzer, Marc Coppens, Philippe Gevaert, Hilde Lapeere
Background: Double-blind, placebo-controlled food challenge (DBPCFC) is considered the gold standard for food allergy diagnosis. However, this test is rarely performed routinely in clinical practice because of various practical issues, e.g. the lack of a standardized matrix preparation. The aim of this study was to develop and validate a convenient DBPCFC matrix, that can easily be implemented in daily clinical practice. The focus of this study was the blinding of hazelnuts, whereby the hazelnuts retained as much as possible their allergenicity and could be mixed homogenously in low-doses to the matrices...
2018: Clinical and Translational Allergy
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