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https://www.readbyqxmd.com/read/28632453/survey-of-polychlorinated-dibenzo-p-dioxins-polychlorinated-dibenzofurans-and-non-ortho-polychlorinated-biphenyls-in-u-s-meat-and-poultry-from-2012-2013-toxic-equivalency-levels-patterns-temporal-trends-and-implications
#1
Sara J Lupton, Margaret O'Keefe, Jorge G Muñiz-Ortiz, Nelson Clinch, Pat Basu
The U.S. Department of Agriculture (USDA) conducts a statistically-based survey of the domestic meat supply (beef, pork, chicken, and turkey) to determine current levels of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and non-ortho-polychlorinated biphenyls (no-PCBs) every five years. Fat samples for each slaughter class were collected from U.S. federally licensed slaughter facilities. The samples were processed and analyzed for 17 PCDD/Fs and 3 no-PCBs. The sum of PCDD, PCDF, and no-PCB toxic equivalencies (sum-TEQ) calculated using 2005 toxic equivalency factors for all slaughter classes, ranged from non-detect (nd) to 6...
June 20, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28631591/comparative-evaluation-of-veriflow-%C3%A2-listeria-species-to-usda-culture-based-method-for-the-detection-of-listeria-spp-in-food-and-environmental-samples
#2
Adam C Joelsson, Shawn P Terkhorn, Ashley S Brown, Amrita Puri, Benjamin J Pascal, Zara E Gaudioso, Nicholas A Siciliano
Veriflow(®)Listeria species (Veriflow LS) isa molecular-based assay for the presumptive detection of Listeria spp. from environmental surfaces (stainless steel, sealed concrete, plastic, and ceramic tile) and ready-to-eat (RTE) food matrixes (hot dogs and deli meat). The assay utilizes a PCR detection method coupled with a rapid, visual, flow-based assay that develops in 3 min post-PCR amplification and requires only a 24 h enrichment for maximum sensitivity. The Veriflow LS system eliminates the need for sample purification, gel electrophoresis, or fluorophore-based detection of target amplification and does not require complex data analysis...
June 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28631590/comparative-evaluation-of-veriflow-%C3%A2-salmonella-species-to-usda-and-fda-culture-based-methods-for-the-detection-of-salmonella-spp-in-food-and-environmental-samples
#3
Amrita Puri, Adam C Joelsson, Shawn P Terkhorn, Ashley S Brown, Zara E Gaudioso, Nicholas A Siciliano
Veriflow(®)Salmonella species (Veriflow SS)is a molecular-based assay for the presumptive detection of Salmonella spp. from environmental surfaces (stainless steel, sealed concrete, plastic, and ceramic tile), dairy (2% milk), raw meat (20% fat ground beef), chicken carcasses, and ready-to-eat (RTE) food (hot dogs). The assay utilizes a PCR detection method coupled with a rapid, visual, flow-based assay that develops in 3 min post-PCR amplification and requires only an 18 h enrichment for maximum sensitivity...
June 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28613401/nutrient-profiles-and-volatile-odorous-compounds-of-raw-milk-after-exposure-to-electron-beam-pasteurizing-doses
#4
Lindsay R Ward, Chris R Kerth, Suresh D Pillai
Raw milk is known to contain relatively high numbers of microorganisms, some of which include microbial pathogens. Electron beam (eBeam) processing is a nonthermal pasteurization food processing technology. The underlying hypothesis was that eBeam processing will not negatively influence the composition, nutrient content, and aroma profile of raw milk. Raw milk samples were exposed to eBeam doses of 1 and 2 kGy, since our studies had shown that 2 kGy is suitable for raw milk pasteurization. The untreated and eBeam-treated raw milk samples were analyzed to detect changes in lactose, vitamin B2 , vitamin B12 , and calcium concentrations...
June 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28601102/food-insecurity-and-pre-diabetes-in-adults-race-ethnic-and-sex-differences
#5
Rosenda Murillo, Layton M Reesor, Claudia W Scott, Daphne C Hernandez
OBJECTIVE: We examined sex and race/ethnicity differences in the association between food insecurity status and prediabetes among adults. METHOD: We used cross-sectional 2011 and 2012 National Health Interview Survey data on non-Hispanic white, non-Hispanic black, and Hispanic adults aged 18-59 years whose household income was ≤ 299% Federal Poverty Line (N = 19,048). Food insecurity status was determined by 3 or more affirmative responses on the 10-item USDA Food Security Scale...
July 1, 2017: American Journal of Health Behavior
https://www.readbyqxmd.com/read/28598989/leveraging-genomic-prediction-to-scan-germplasm-collection-for-crop-improvement
#6
Leonardo de Azevedo Peixoto, Tara C Moellers, Jiaoping Zhang, Aaron J Lorenz, Leonardo L Bhering, William D Beavis, Asheesh K Singh
The objective of this study was to explore the potential of genomic prediction (GP) for soybean resistance against Sclerotinia sclerotiorum (Lib.) de Bary, the causal agent of white mold (WM). A diverse panel of 465 soybean plant introduction accessions was phenotyped for WM resistance in replicated field and greenhouse tests. All plant accessions were previously genotyped using the SoySNP50K BeadChip. The predictive ability of six GP models were compared, and the impact of marker density and training population size on the predictive ability was investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28576371/comparison-of-listeria-monocytogenes-recoveries-from-spiked-mung-bean-sprouts-by-the-enrichment-methods-of-three-regulatory-agencies
#7
Kaitlin E Cauchon, Anthony D Hitchins, R Derike Smiley
Three selective enrichment methods, the United States Food and Drug Administration's (FDA method), the United States Department of Agriculture Food Safety Inspection Service's (USDA method), and the EN ISO 11290-1 standard method, were assessed for their suitability for recovery of Listeria monocytogenes from spiked mung bean sprouts. Three parameters were evaluated; the enrichment L. monocytogenes population from singly-spiked sprouts, the enrichment L. monocytogenes population from doubly-spiked (L. monocytogenes and Listeria innocua) sprouts, and the population differential resulting from the enrichment of doubly-spiked sprouts...
September 2017: Food Microbiology
https://www.readbyqxmd.com/read/28558691/the-development-and-use-of-a-molecular-model-for-soybean-maturity-groups
#8
Tiffany Langewisch, Julian Lenis, Guo-Liang Jiang, Dechun Wang, Vince Pantalone, Kristin Bilyeu
BACKGROUND: Achieving appropriate maturity in a target environment is essential to maximizing crop yield potential. In soybean [Glycine max (L.) Merr.], the time to maturity is largely dependent on developmental response to dark periods. Once the critical photoperiod is reached, flowering is initiated and reproductive development proceeds. Therefore, soybean adaptation has been attributed to genetic changes and natural or artificial selection to optimize plant development in specific, narrow latitudinal ranges...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28555141/characterization-of-insect-resistance-loci-in-the-usda-soybean-germplasm-collection-using-genome-wide-association-studies
#9
Hao-Xun Chang, Glen L Hartman
Management of insects that cause economic damage to yields of soybean mainly rely on insecticide applications. Sources of resistance in soybean plant introductions (PIs) to different insect pests have been reported, and some of these sources, like for the soybean aphid (SBA), have been used to develop resistant soybean cultivars. With the availability of SoySNP50K and the statistical power of genome-wide association studies, we integrated phenotypic data for beet armyworm, Mexican bean beetle (MBB), potato leafhopper (PLH), SBA, soybean looper (SBL), velvetbean caterpillar (VBC), and chewing damage caused by unspecified insects for a comprehensive understanding of insect resistance in the United States Department of Agriculture Soybean Germplasm Collection...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28553641/use-of-temperature-humidity-and-slaughter-condemnation-data-to-predict-increases-in-transport-losses-in-three-classes-of-swine-and-resulting-foregone-revenue
#10
Erik Peterson, Marta Remmenga, Amy D Hagerman, Judy E Akkina
The United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) conducts weekly surveillance of slaughter condemnation rates to provide early warning for emerging diseases and to monitor health trends in swine. Swine deaths in-transit are an animal welfare concern and represent lost revenue for the swine industry. This retrospective observational study used ambient temperature and humidity data from weather stations near United States slaughter plants collected from 2010 to 2015 to predict the incidence and risk of death among swine in-transit and just prior to slaughter...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28551732/bradyrhizobium-brasilense-sp-nov-a-symbiotic-nitrogen-fixing-bacterium-isolated-from-brazilian-tropical-soils
#11
Elaine Martins da Costa, Amanda Azarias Guimarães, Rayssa Pereira Vicentin, Paula Rose de Almeida Ribeiro, Aniele Carolina Ribas Leão, Eduardo Balsanelli, Liesbeth Lebbe, Maarten Aerts, Anne Willems, Fatima Maria de Souza Moreira
Four strains of rhizobia isolated from nodules of Vigna unguiculata (UFLA03-321(T), UFLA03-320 and UFLA03-290) and Macroptilium atropurpureum (UFLA04-0212) in Brazilian soils were previously reported as a new group within the genus Bradyrhizobium. To determine their taxonomic position, these strains were characterized in this study using a polyphasic approach. The analysis of the 16S rRNA gene grouped the four strains with Bradyrhizobium pachyrhizi PAC48(T). However, the concatenated sequence analysis of the two (recA and glnII) or three (atpD, gyrB and recA) housekeeping genes indicated that these strains represent a novel species of Bradyrhizobium, which is very closely related to B...
May 27, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28542615/taking-dietary-habits-into-account-a-computational-method-for-modeling-food-choices-that-goes-beyond-price
#12
Rahmatollah Beheshti, Jessica C Jones-Smith, Takeru Igusa
Computational models have gained popularity as a predictive tool for assessing proposed policy changes affecting dietary choice. Specifically, they have been used for modeling dietary changes in response to economic interventions, such as price and income changes. Herein, we present a novel addition to this type of model by incorporating habitual behaviors that drive individuals to maintain or conform to prior eating patterns. We examine our method in a simulated case study of food choice behaviors of low-income adults in the US...
2017: PloS One
https://www.readbyqxmd.com/read/28537336/dietary-risk-factors-by-race-ethnicity-age-group-and-gender-in-a-representative-sample-of-us-older-adults
#13
J A Vaccaro, F G Huffman
OBJECTIVE: To explore the relationships among ethnicity/race, gender, demographics, age-group and dietary health in a nationally representative sample of older adults. DESIGN: Cross-sectional study. SETTING: Data for this study were collected by interview in the mobile examination centers from the National Health and Nutrition Examination Surveys, 2011 - 2012. PARTICIPANTS: U.S. representative sample of adults aged 55 years and older (N = 1860) from five ethnic/racial groups...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28533962/dietary-flavonoids-of-spanish-youth-intakes-sources-and-association-with-the-mediterranean-diet
#14
Rowaedh Ahmed Bawaked, Helmut Schröder, Lourdes Ribas Barba, Gabriela Cárdenas, Luis Peña-Quintana, Carmen Pérez Rodrigo, Montserrat Fíto, Lluis Serra Majem
BACKGROUND: Plant-based diets have been linked to high diet quality and reduced risk of cardiovascular diseases. The health impact of plant-based diets might be partially explained by the concomitant intake of flavonoids. Estimation of flavonoids intake in adults has been important for the development of dietary recommendations and interventions for the prevention of weight gain and its consequences. However, estimation of flavonoids intake in children and adolescents is limited. METHODS: Average daily intake and sources of flavonoids were estimated for a representative national sample of 3,534 children and young people in Spain, aged 2-24 years...
2017: PeerJ
https://www.readbyqxmd.com/read/28531783/prototypical-versus-contemporary-mediterranean-diet
#15
W Rizza, L De Gara, R Antonelli Incalzi, C Pedone
BACKGROUND AND AIMS: To investigate the evolution of the Mediterranean Diet (MD) in a delimited area of Southern Italy, by comparing the diet adopted 60-70 years ago (Prototypical Mediterranean Diet, PMD) with the contemporary one (Contemporary Mediterranean Diet, CMD), and to verify to what extent they fitted the recommendations of the Italian and the USDA dietary guidelines. METHODS: We recruited a total of 106 participants, divided in two groups. PMD group included 52 women aged >80 years, with a good cognitive function and full independence in basic and instrumental activities of daily living...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28530689/a-word-from-the-usda
#16
Carol Clarke
No abstract text is available yet for this article.
May 22, 2017: Lab Animal
https://www.readbyqxmd.com/read/28503311/a-community-resource-for-exploring-and-utilizing-genetic-diversity-in-the-usda-pea-single-plant-plus-collection
#17
William L Holdsworth, Elodie Gazave, Peng Cheng, James R Myers, Michael A Gore, Clarice J Coyne, Rebecca J McGee, Michael Mazourek
Globally, pea (Pisum sativum L.) is an important temperate legume crop for food, feed and fodder, and many breeding programs develop cultivars adapted to these end-uses. In order to assist pea development efforts, we assembled the USDA Pea Single Plant Plus Collection (PSPPC), which contains 431 P. sativum accessions with morphological, geographic and taxonomic diversity. The collection was characterized genetically in order to maximize its value for trait mapping and genomics-assisted breeding. To that end, we used genotyping-by-sequencing-a cost-effective method for de novo single-nucleotide polymorphism (SNP) marker discovery-to generate 66 591 high-quality SNPs...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28497727/using-white-tailed-deer-odocoileus-virginianus-in-infectious-disease-research
#18
Mitchell Palmer, Rebecca J Cox, W Ray Waters, Tyler C Thacker, Diana L Whipple
Between 1940 and 2004, more than 335 emerging infectious disease events were reported in the scientific literature. Themajority (60%) of these events involved zoonoses, most of which (72%) were of wildlife origin or had an epidemiologically important wildlife host. Because this trend of increasing emerging diseases likely will continue, understanding the pathogenesis, transmission, and diagnosis of these diseases in the relevant wildlife host is paramount. Achieving this goal often requires using wild animals as research subjects, which are vastly different from the traditional livestock or laboratory animals used by most universities and institutions...
May 11, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28475160/dietary-patterns-among-vietnamese-and-hispanic-immigrant-elementary-school-children-participating-in-an-after-school-program
#19
Megan A McCrory, Charles L Jaret, Jung Ha Kim, Donald C Reitzes
Immigrants in the U.S. may encounter challenges of acculturation, including dietary habits, as they adapt to new surroundings. We examined Vietnamese and Hispanic immigrant children's American food consumption patterns in a convenience sample of 63 Vietnamese and Hispanic children in grades four to six who were attending an after school program. Children indicated the number of times they consumed each of 54 different American foods in the past week using a food frequency questionnaire. We ranked each food according to frequency of consumption, compared the intake of foods to the USDA Healthy Eating Pattern, and performed dietary pattern analysis...
May 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28475153/an-innovative-method-for-monitoring-food-quality-and-the-healthfulness-of-consumers-grocery-purchases
#20
Le-Thuy T Tran, Philip J Brewster, Valliammai Chidambaram, John F Hurdle
This study presents a method laying the groundwork for systematically monitoring food quality and the healthfulness of consumers' point-of-sale grocery purchases. The method automates the process of identifying United States Department of Agriculture (USDA) Food Patterns Equivalent Database (FPED) components of grocery food items. The input to the process is the compact abbreviated descriptions of food items that are similar to those appearing on the point-of-sale sales receipts of most food retailers. The FPED components of grocery food items are identified using Natural Language Processing techniques combined with a collection of food concept maps and relationships that are manually built using the USDA Food and Nutrient Database for Dietary Studies, the USDA National Nutrient Database for Standard Reference, the What We Eat In America food categories, and the hierarchical organization of food items used by many grocery stores...
May 5, 2017: Nutrients
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