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Food deserts

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https://www.readbyqxmd.com/read/29143601/morphological-description-and-dna-barcoding-study-of-sand-rice-agriophyllum-squarrosum-chenopodiaceae-collected-in-kazakhstan
#1
Yuliya Genievskaya, Saule Abugalieva, Aibatsha Zhubanysheva, Yerlan Turuspekov
BACKGROUND: Sand rice (Agriophyllum squarrosum (L.) Moq.) is an annual shrub-like plant adapted to the mobile sand dunes in desert and semi-desert regions of Asia. It has a balanced nutrient composition with relatively high concentration of lipids and proteins, which results in its nutrition being similar to legumes. Sand rice's proteins contain the full range of essential amino acids. However, calories content is more similar to wheat. These features together with desert stress resistance make sand rice a potential food crop resilient to ongoing climate change...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29135909/food-swamps-predict-obesity-rates-better-than-food-deserts-in-the-united-states
#2
Kristen Cooksey-Stowers, Marlene B Schwartz, Kelly D Brownell
This paper investigates the effect of food environments, characterized as food swamps, on adult obesity rates. Food swamps have been described as areas with a high-density of establishments selling high-calorie fast food and junk food, relative to healthier food options. This study examines multiple ways of categorizing food environments as food swamps and food deserts, including alternate versions of the Retail Food Environment Index. We merged food outlet, sociodemographic and obesity data from the United States Department of Agriculture (USDA) Food Environment Atlas, the American Community Survey, and a commercial street reference dataset...
November 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29125558/the-impact-of-a-multi-level-multi-component-childhood-obesity-prevention-intervention-on-healthy-food-availability-sales-and-purchasing-in-a-low-income-urban-area
#3
Joel Gittelsohn, Angela C Trude, Lisa Poirier, Alexandra Ross, Cara Ruggiero, Teresa Schwendler, Elizabeth Anderson Steeves
The multifactorial causes of obesity require multilevel and multicomponent solutions, but such combined strategies have not been tested to improve the community food environment. We evaluated the impact of a multilevel (operating at different levels of the food environment) multicomponent (interventions occurring at the same level) community intervention. The B'more Healthy Communities for Kids (BHCK) intervention worked at the wholesaler (n = 3), corner store (n = 50), carryout (n = 30), recreation center (n = 28), household (n = 365) levels to improve availability, purchasing, and consumption of healthier foods and beverages (low-sugar, low-fat) in low-income food desert predominantly African American zones in the city of Baltimore (MD, USA), ultimately intending to lead to decreased weight gain in children (not reported in this manuscript)...
November 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29074991/ants-navigation-in-an-unfamiliar-environment-is-influenced-by-their-experience-of-a-familiar-route
#4
Sebastian Schwarz, Antoine Wystrach, Ken Cheng
When displaced experimentally from a food source (feeder) to unfamiliar terrain, ants run off a portion of the homeward vector or its entirety, depending on species and conditions, and then search systematically, turning in loops of ever increasing size. The Australian desert ant Melophorus bagoti runs off a smaller portion of its vector if the test site is more dissimilar to its nest area. Here we manipulated familiarity with the training route between a feeder and the ants' nest to examine its effects when the ants were displaced to a distant site from the feeder...
October 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29057794/food-and-beverage-availability-in-small-food-stores-located-in-healthy-food-financing-initiative-eligible-communities
#5
Chelsea R Singleton, Yu Li, Ana Clara Duran, Shannon N Zenk, Angela Odoms-Young, Lisa M Powell
Food deserts are a major public health concern. This study aimed to assess food and beverage availability in four underserved communities eligible to receive funding from the Healthy Food Financing Initiative (HFFI). Data analyzed are part of a quasi-experimental study evaluating the impact of the HFFI on the retail food environment in selected Illinois communities. In 2015, 127 small grocery and limited service stores located in the four selected communities were audited. All communities had a large percentage of low-income and African-American residents...
October 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29048750/isotopic-niche-variation-from-the-holocene-to-today-reveals-minimal-partitioning-and-individualistic-dynamics-among-four-sympatric-desert-mice
#6
Rebecca C Terry
1.Species interact with each other and their environment over a range of temporal scales, yet our understanding of resource partitioning and the mechanisms of species coexistence is largely restricted to modern time-scales of years to decades. Furthermore, the relative magnitudes of inter- versus intraspecific variation in resource use are rarely considered, despite the potential for the latter to influence a species' ability to cope with changing environmental conditions. 2.Modern desert rodent communities are thought to be strongly structured by competitive interactions, with niche partitioning of food resources hypothesized to explain the coexistence of multiple sympatric granivores...
October 19, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/29043762/food-deserts-in-winnipeg-canada-a-novel-method-for-measuring-a-complex-and-contested-construct
#7
Joyce Slater, Stefan Epp-Koop, Megan Jakilazek, Chris Green
INTRODUCTION: "Food deserts" have emerged over the past 20 years as spaces of concern for communities, public health authorities and researchers because of their potential negative impact on dietary quality and subsequent health outcomes. Food deserts are residential geographic spaces, typically in urban settings, where low-income residents have limited or no access to retail food establishments with sufficient variety at affordable cost. Research on food deserts presents methodological challenges including retail food store identification and classification, identification of low-income populations, and transportation and proximity metrics...
October 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/29037243/gardening-in-the-desert-a-spatial-optimization-approach-to-locating-gardens-in-rapidly-expanding-urban-environments
#8
Elizabeth A Mack, Daoqin Tong, Kevin Credit
BACKGROUND: Food access is a global issue, and for this reason, a wealth of studies are dedicated to understanding the location of food deserts and the benefits of urban gardens. However, few studies have linked these two strands of research together to analyze whether urban gardening activity may be a step forward in addressing issues of access for food desert residents. METHODS: The Phoenix, Arizona metropolitan area is used as a case to demonstrate the utility of spatial optimization models for siting urban gardens near food deserts and on vacant land...
October 16, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28994359/weight-resilience-and-fruit-and-vegetable-intake-among-african-american-women-in-an-obesogenic-environment
#9
Sara M Parisi, Lisa M Bodnar, Tamara Dubowitz
OBJECTIVE: To investigate relationships between weight resilience (maintaining a normal weight in a food desert environment) and fruit and vegetable (F&V) intake, attitudes and barriers. DESIGN: Cross-sectional, in-person surveys collected May-December 2011, including self-reported data on F&V-related psychosocial factors, attitudes and barriers. Two 24 h dietary recalls were completed; weight and height were measured. Multivariable regression models estimated prevalence ratios (95 % CI)...
October 10, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28991156/baseline-assessment-of-a-healthy-corner-store-initiative-associations-between-food-store-environments-shopping-patterns-customer-purchases-and-dietary-intake-in-eastern-north-carolina
#10
Stephanie B Jilcott Pitts, Qiang Wu, Kimberly P Truesdale, Melissa N Laska, Taras Grinchak, Jared T McGuirt, Lindsey Haynes-Maslow, Ronny A Bell, Alice S Ammerman
In 2016, the North Carolina (NC) Legislature allocated $250,000 to the NC Department of Agriculture, to identify and equip small food retailers to stock healthier foods and beverages in eastern NC food deserts (the NC Healthy Food Small Retailer Program, HFSRP). The purpose of this study was to examine associations between food store environments, shopping patterns, customer purchases, and dietary consumption among corner store customers. We surveyed 479 customers in 16 corner stores regarding demographics, food purchased, shopping patterns, and self-reported fruit, vegetable, and soda consumption...
October 7, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28981964/long-distance-flights-and-high-risk-breeding-by-nomadic-waterbirds-on-desert-salt-lakes
#11
Reece D Pedler, Raoul F H Ribot, Andrew T D Bennett
Understanding and conserving mobile species presents complex challenges, especially for animals in stochastic or changing environments. Nomadic waterbirds must locate temporary water in arid biomes where rainfall is highly unpredictable in space and time. To achieve this they need to travel over vast spatial scales and time arrival to exploit pulses in food resources. How they achieve this is an enduring mystery.  We investigated these challenges in the colonial-nesting Banded Stilt (Cladorhynchus leucocephalus), a nomadic shorebird of conservation concern...
October 5, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28981402/examining-the-food-retail-choice-context-in-urban-food-deserts-ohio-2015
#12
Stephanie N Pike, Erika S Trapl, Jill K Clark, Chaturia D Rouse, Bethany A Bell, Ashwini R Sehgal, Thomas To, Elaine Borawski, Darcy A Freedman
No abstract text is available yet for this article.
October 5, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28961409/viruses-in-soil-ecosystems-an-unknown-quantity-within-an-unexplored-territory
#13
REVIEW
Kurt E Williamson, Jeffry J Fuhrmann, K Eric Wommack, Mark Radosevich
Viral abundance in soils can range from below detection limits in hot deserts to over 1 billion per gram in wetlands. Abundance appears to be strongly influenced by water availability and temperature, but a lack of informational standards creates difficulties for cross-study analysis. Soil viral diversity is severely underestimated and undersampled, although current measures of viral richness are higher for soils than for aquatic ecosystems. Both morphometric and metagenomic analyses have raised questions about the prevalence of nontailed, ssDNA viruses in soils...
September 29, 2017: Annual Review of Virology
https://www.readbyqxmd.com/read/28955625/characterization-of-natural-habitats-and-diversity-of-libyan-desert-truffles
#14
Mozidi Bouzadi, Tine Grebenc, Ossi Turunen, Hojka Kraigher, Hassan Taib, Abdulhafied Alafai, Imed Sbissi, Mamdouh El Haj Assad, Dattatray Bedade, Salem Shamekh
Desert truffles have traditionally been used as food in Libya. Desert truffle grows and gives fruit sporadically when adequate and properly distributed rainfall occurs with existence of suitable soil and mycorrhizal host plant. The present study aimed to identify and characterize two kinds of wild desert truffles from ecological and nutritional points that were collected from the studied area. The truffle samples were identified as Terfezia (known as red or black truffle) and Tirmania (known as white truffle)...
October 2017: 3 Biotech
https://www.readbyqxmd.com/read/28941677/phenolic-profiling-and-antioxidant-capacity-of-calligonum-azel-maire-a-tunisian-desert-plant
#15
Marwa Bannour, Boutheina Fellah, Gabriele Rocchetti, Samira Ashi-Smiti, Dirk W Lachenmeier, Luigi Lucini, Ayda Khadhri
The comprehensive phenolic fingerprint of Calligonum azel Maire plant fractions, collected from the Tunisian Desert, have been assessed for the first time as a source of natural antioxidants. Total phenolic content (TPC), Trolox Equivalent Antioxidant Capacity (TEAC) in scavenging DPPH, ABTS(+) and Ferric Reducing Antioxidant Power (FRAP) were determined. C. azel Maire showed a relevant content in phenolic compounds, which are related to the antioxidant activity. The flowers presented the highest antioxidant capacity against DPPH free radicals, while the leaves showed the highest scavenging capacity against ABTS...
November 2017: Food Research International
https://www.readbyqxmd.com/read/28939605/a-distinctive-and-host-restricted-gut-microbiota-in-populations-of-a-cactophilic-drosophila-species
#16
Vincent G Martinson, Javier Carpinteyro-Ponce, Nancy A Moran, Therese A Markow
Almost all animals possess microbial gut communities, but the nature of these communities varies immensely. For example, in social bees and mammals, composition is relatively constant within species and dominated by specialist bacteria that do not live elsewhere; whereas, in laboratory studies and field surveys of Drosophila melanogaster, gut communities consist of bacteria that are ingested with food and that vary widely among individuals and localities. We addressed whether an ecological specialist in its natural habitat has a microbiota dominated by gut specialists or by environmental bacteria...
September 22, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28930527/microalgae-as-a-source-of-high-value-bioactive-compounds
#17
Mohammed Hussen Bule, Ishtiaq Ahmed, Faheem Maqbool, Muhammad Bilal, Hafiz M N Iqbal
Microalgae are one of the oldest microorganisms, that grow in various hostile environments, ranging from deserts to Antarctica. The microalgae sustain life in such harsh environments through generation of secondary metabolites. Microalgae biosynthesize a large number of diverse bioactive metabolites with activities on cancer, neurodegenerative diseases, and infectious diseases. Here, we highlight the bioactive compounds that are isolated from microalgae for the purpose of using them as food, and as chemicals in pharmaceutical industry as new agents with therapeutic benefits...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28926937/food-shopping-and-acquisition-behaviors-in-relation-to-bmi-among-residents-of-low-income-communities-in-south-carolina
#18
Angela D Liese, Xiaonan Ma, Brent Hutto, Patricia A Sharpe, Bethany A Bell, Sara Wilcox
Low-income areas in which residents have poor access to healthy foods have been referred to as "food deserts." It is thought that improving food access may help curb the obesity epidemic. Little is known about where residents of food deserts shop and if shopping habits are associated with body mass index (BMI). We evaluated the association of food shopping and acquisition (e.g., obtaining food from church, food pantries, etc.) with BMI among 459 residents of low-income communities from two South Carolina counties, 81% of whom lived in United States Department of Agriculture-designated food deserts...
September 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28904077/food-deserts-limited-healthy-foods-in-the-land-of-plenty
#19
EDITORIAL
Keith C Ferdinand, Indrajeet Mahata
No abstract text is available yet for this article.
September 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28904075/association-between-living-in-food-deserts-and-cardiovascular-risk
#20
Heval M Kelli, Muhammad Hammadah, Hina Ahmed, Yi-An Ko, Matthew Topel, Ayman Samman-Tahhan, Mossab Awad, Keyur Patel, Kareem Mohammed, Laurence S Sperling, Priscilla Pemu, Viola Vaccarino, Tene Lewis, Herman Taylor, Greg Martin, Gary H Gibbons, Arshed A Quyyumi
BACKGROUND: Food deserts (FD), neighborhoods defined as low-income areas with low access to healthy food, are a public health concern. We evaluated the impact of living in FD on cardiovascular risk factors and subclinical cardiovascular disease (CVD) with the hypothesis that people living in FD will have an unfavorable CVD risk profile. We further assessed whether the impact of FD on these measures is driven by area income, individual household income, or area access to healthy food. METHODS AND RESULTS: We studied 1421 subjects residing in the Atlanta metropolitan area who participated in the META-Health study (Morehouse and Emory Team up to Eliminate Health Disparities; n=712) and the Predictive Health study (n=709)...
September 2017: Circulation. Cardiovascular Quality and Outcomes
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