Search Results
Results 251 - 300 of 1667
< 1 2 3 4 5 6 7 8 9 10 11 >
Avadí Angel A Université Montpellier 2- Sciences et Techniques, Montpellier, France; Institut de Recherche pour le Développement (IRD), UMR212 EME IFREMER/IRD/UM2, Sète, - - 2014
Sustainability assessment of food supply chains is relevant for global sustainable development. A framework is proposed for analysing fishfood (fish products for direct human consumption) supply chains with local or international scopes. It combines a material flow model (including an ecosystem dimension) of the supply chains, calculation of sustainability indicators ...
Ballesteros Yolanda Y Departamento de Zoología, Facultad de Biología, Universidad de Salamanca, Salamanca, - - 2014
Although diet has traditionally been considered to be a property of the species or populations as a whole, there is nowadays extensive knowledge that individual specialization is widespread among animal populations. Nevertheless, the factors determining the shape of interactions within food webs remain largely undiscovered, especially in predatory insects. We ...
Queliconi Bruno B BB Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo; - - 2014
Protocols for anoxia/starvation in the genetic model organism C. elegans simulate ischemia/reperfusion. Worms are separated from bacterial food and placed under anoxia for 20 hr (simulated ischemia), and subsequently moved to a normal atmosphere with food (simulated reperfusion). This experimental paradigm results in increased death and neuronal damage, and techniques are ...
- - 2014
[This corrects the article DOI: 10.1371/journal.pone.0100073.].
Leech Rebecca M RM The Centre for Physical Activity and Nutrition Research (C-PAN), School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood, 3125, Australia. Electronic address: - - 2013
Involvement in meal preparation and eating meals with the family are associated with better dietary patterns in adolescents, however little research has included older children or longitudinal study designs. This 3-year longitudinal study examines cross-sectional and longitudinal associations between family food involvement, family dinner meal frequency and dietary patterns during ...
Almendros Sara Sáez - - 2013
Dietary patterns can substantially vary the resource consumption and environmental impact of a given population. Dietary changes such as the increased consumption of vegetables and reduced consumption of animal products reduce the environmental footprint and thus the use of natural resources. The adherence of a given population to the Mediterranean ...
Minervini Vanessa V University of Florida Department of Psychology 945 Center Drive Gainesville, FL 32611. Electronic address: - - 2013
When laboratory mice are provided with free access to food, they often fragment their food such that it collects on the cage floor-wasted. An operant analysis of food waste, however, has not yet been conducted. The purpose of the present study was to evaluate the effect of response requirement and ...
Paulot Fabien - - 2013
We use a model of agricultural sources of ammonia (NH3) coupled to a chemical transport model to estimate the impact of U.S. food export on particulate matter concentrations (PM2.5). We find that food export accounts for 11% of total U.S NH3 emissions (13% of agricultural emissions) and that it increases ...
Massarelli Nicole N University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD,  21250, USA, - - 2013
Hairston, Slobodkin, and Smith conjectured that top down forces act on food chains, which opposed the previously accepted theory that bottom up forces exclusively dictate the dynamics of populations. We model food chains using the Lotka-Volterra predation model and derive sustainability constants which determine which species will persist or go ...
Zhao Zhenxiang Z Institute for Health Research and Policy, University of Illinois at Chicago, 1747 West Roosevelt Road, Chicago, IL 60608, United States. Electronic address: - - 2013
In this paper, we used a randomized experiment, the Moving to Opportunity for Fair Housing Demonstration (MTO) study, to assess whether several environmental attributes are causes of obesity. To accomplish our objective, we linked the MTO data with several external data sources that provide information on potential determinants of obesity ...
Gergs André A Department of Environmental, Social and Spatial Change, Roskilde University, Universitetsvej 3, DK-4000, Roskilde, Denmark; Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, D-52074, Aachen, - - 2013
Individual organisms have to endure transient periods of low-food supply with consequences for growth, reproduction and survival. To resist starvation, animals usually store resources in their bodies: the larger the animals are, the more resources they can carry, but the more energy they need to allocate for maintaining bodily functions. ...
Carter Megan Ann MA KFL&A Public Health, Kingston, ON K7M 1V5, - - 2014
Childhood excess weight and family food insecurity are food-system related public health problems that exist in Canada. Since both relate to issues of food accessibility, availability and utilization, which have elements of "place", they may share common risk factors in the local environment that are amenable to intervention. In this ...
Piernas Carmen C Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, - - 2013
Few studies have investigated the diet quality of consumers of low-calorie-sweetened (LCS) and calorie-sweetened (CS) beverages. The objective was to examine the dietary quality and adherence to dietary purchasing and consumption patterns of beverage consumers from 2000 to 2010. We analyzed purchases for 140,352 households from the Homescan longitudinal data ...
Bost Kelly K KK *Department of Human and Community Development, University of Illinois, Urbana, IL; †Department of Child, Family and Consumer Sciences, Fresno State University, Fresno, - - 2013
The goal of this study was to test 3 serial mediation models of how caregiver adult attachment style influences children's food consumption through its influence on emotion regulation. Three mediators that have been shown to increase the risk for pediatric obesity and that are likely to be influenced by negative ...
Törnwall Outi O Department of Food and Environmental Sciences, Agnes Sjöbergin katu 2, 00014 University of Helsinki, Finland. Electronic address: - - 2013
Subgroups based on flavor preferences were identified and their genetic and behavior related characteristics investigated using extensive data from 331 Finnish twins (21-25 years, 146 men) including 47 monozygotic (MZ) and 93 dizygotic (DZ) pairs, and 51 twin individuals. The subgroup identification (hierarchical and K-means clustering) was based on liking ...
Grassini Patricio P Department of Agronomy and Horticulture, University of Nebraska-Lincoln, PO Box 830915, Lincoln, Nebraska 68583-0915, - - 2013
Food security and land required for food production largely depend on rate of yield gain of major cereal crops. Previous projections of food security are often more optimistic than what historical yield trends would support. Many econometric projections of future food production assume compound rates of yield gain, which are ...
Barthélémy E E a European Food Safety Authority (EFSA) , 43126 Parma , - - 2013
ABSTRACT The development of a scheme for the safety evaluation of mechanical recycling processes for PET is described. The starting point is the adoption of a threshold of toxicological concern such that migration from the recycled PET should not give rise to a dietary exposure exceeding 0.0025 μg/kg bw/day, the exposure threshold ...
Martín-Sánchez Ana María AM IPOA Research Group, Grupo 1-UMH Grupo REVIV. Generalitat Valenciana, AgroFood Technology Department, Orihuela Polytechnical High School, Miguel Hernández University, Ctra. Beniel, Km 3.2, E-03312 Orihuela, Alicante, - - 2013
Date palm co-products are a source of bioactive compounds that could be used as a new ingredient for the meat industry. An intermediate food product (IFP) from date palm co-products (5%) was incorporated into a paprika added dry-cured sausage (PADS) model system and was analysed for physicochemical parameters, lipid oxidation ...
Comans Tracy A - - 2013
Childhood obesity is a recognised public health problem and around 25% of Australian children are overweight or obese. A major contributor is the obesogenic environment which encourages over consumption of energy dense nutrient poor food. Taxation is commonly proposed as a mechanism to reduce consumption of poor food choices and ...
Batis Carolina C Department of Nutrition, Carolina Population Center, University of North Carolina at Chapel Hill, 123 West Franklin Street, Chapel Hill, NC 27516, - - 2013
In the present study, we aimed to identify the changes or stability in the structure of dietary patterns and tracking, trends and factors related to the adherence to these dietary patterns in China from 1991 to 2009. We analysed dietary data collected during seven waves of the China Health and ...
Jones Christopher M - - 2013
Which municipalities and locations within the United States contribute the most to household greenhouse gas emissions, and what is the effect of population density and suburbanization on emissions? Using national household surveys we developed econometric models of demand for energy, transportation, food, goods and services that were used to derive ...
Holt Daniel D DD University of Wisconsin-Eau Claire, Eau Claire, USA, - - 2013
Discounting is a useful framework for understanding choice involving a range of delayed and probabilistic outcomes (e.g., money, food, drugs), but relatively few studies have examined how people discount other commodities (e.g., entertainment, sex). Using a novel discounting task, where the length of a line represented the value of an ...
Hendriksen Marieke Ah MA National Institute for Public Health and the Environment, Bilthoven, Netherlands (MAHH, RTH, JH, HCB, and JMAvR), and the Division of Human Nutrition, Wageningen University, Wageningen, Netherlands (JMG, HCB, and - - 2013
Excessive salt intake has been associated with hypertension and increased cardiovascular disease morbidity and mortality. Reducing salt intake is considered an important public health strategy in the Netherlands. The objective was to evaluate the health benefits of salt-reduction strategies related to processed foods for the Dutch population. Three salt-reduction scenarios ...
Greiner Maximilian M Chair for Process Systems Engineering, Gregor-Mendel-Straße 4, Freising Weihenstephan, Germany. - - 2013
Additional benefits of foods are an increasing factor in the consumer's purchase. To produce foods with the properties the consumer demands, understanding the micro- and nanostructure is becoming more important in food research today. We present molecular dynamics (MD) simulations as a tool to study complex and multi-component food systems ...
Jacobs Ivo F IF Department of Cognitive Science, Lund University, Kungshuset, Lundagård, 222 22 Lund, Sweden. Electronic address: - - 2013
Food caching is a paramount model for studying relations between cognition, brain organisation and ecology in corvids. In contrast, behaviour towards inedible objects is poorly examined and understood. We review the literature on object caching in corvids and other birds, and describe an exploratory study on object caching in ravens, ...
Bellows Laura L - - 2013
The preschool years are a critical window for obesity prevention efforts; representing a time when children establish healthy eating habits and physical activity patterns. Understanding the context in which these behaviors develop is critical to formulating a model to address childhood obesity. The Colorado LEAP Study, an intervention study designed ...
Rizk Marianne T - - 2013
Enhancing our understanding of food-related perceptions is critical to assist those with eating- and weight-related problems. This study investigated normative and person-specific aspects of perceived food healthiness in terms of nutritional characteristics and the relevance of nutritional knowledge to perceived healthiness. Two hundred sixty-three undergraduate women judged the healthiness of ...
Vilija Malinauskiene - - 2013
The linkage between mood states and unhealthy food consumption has been under investigation in the recent years. This study aimed to evaluate the associations between posttraumatic stress (PTS) symptoms after lifetime traumatic experiences and daily unhealthy food consumption among adolescents, taking into account the possible effects of physical inactivity, smoking, ...
Hussey Nigel E - - 2013
Measures of trophic position (TP) are critical for understanding food web interactions and human-mediated ecosystem disturbance. Nitrogen stable isotopes (δ(15) N) provide a powerful tool to estimate TP but are limited by a pragmatic assumption that isotope discrimination is constant (change in δ(15) N between predator and prey, Δ(15) N = 3.4‰), ...
Faulkner G P - - 2013
The present study aimed to compare the nutritional quality (NQ) and energy costs (EC) (£ MJ(-1) ) of own brand (OB) versus market brand (MB) foods in 2010 and 2012. A list of processed foods (n = 32) was identified based on the most frequently consumed foods in the UK. Total fat, saturated ...
Monceau Karine K INRA, UMR1065 Santé et Agroécologie du Vignoble, F-33883, Villenave d'Ornon; ISVV, UMR1065 Santé et Agroécologie du Vignoble, Bordeaux Sciences Agro, Université de Bordeaux, F-33883, Villenave d'Ornon; Equipe Ecologie Evolutive, UMR 6282 Biogéosciences, 6 Bd Gabriel, Université de Bourgogne, F-21000, Dijon, - - 2013
Since its recent introduction into Europe, the yellow-legged hornet, Vespa velutina, has become a major predator of the domestic honeybee, Apis mellifera, but little is known about its hunting behavior. We studied V. velutina hunting behavior by a capture-mark-recapture procedure in an experimental apiary. A total of 360 hornets were ...
Kovacova Jana - - 2013
The dynamics of pesticide residues in strawberries that involved quantification of pesticide residues in ripe fruits after model treatment was evaluated in repeated field trials conducted over 3 years. Sixteen commercial pesticide formulations in various combinations were employed in applications from 7 to 44 days before harvest. Altogether 21 active ingredients ...
Křivan Vlastimil - - 2013
Competition in di- and tri-trophic food web modules with many competing species is studied. The food web modules considered are apparent competition between n species sharing a single predator and a diamond-like food web with a single resource, a single top predator and many competing middle species. The predators have ...
Hasegawa Tomoko - - 2013
We assessed the impacts of climate change and agricultural autonomous adaptation measures (changes in crop variety and planting dates) on food consumption and risk of hunger considering uncertainties in socioeconomic and climate conditions by using a new scenario framework. We combined a global computable general equilibrium model and a crop ...
Vin Karine - - 2013
The aim of this study was to assess the dietary exposure of 13 priority additives in four European countries (France, Italy, the UK and Ireland) using the Flavourings, Additives and Contact Materials Exposure Task (FACET) software. The studied additives were benzoates (E210-213), nitrites (E249-250) and sulphites (E220-228), butylated hydroxytoluene (E321), ...
Losasso Carmen - - 2013
Abstract Objective: This study describes an effective educational program to improve children's knowledge about characteristics of microorganisms and food contamination, and their personal hygiene behaviors. Materials and Methods: Between November 2011 and March 2012, a health campaign, targeted at fifth-grade students of 12 public primary compulsory schools, was conceived. Participants ...
Busch D Shallin - - 2013
Marine hydrokinetic power projects will operate as marine environments change in response to increased atmospheric carbon dioxide concentrations. We considered how tidal power development and stressors resulting from climate change may affect Puget Sound species listed under the U.S. Endangered Species Act (ESA) and their food web. We used risk ...
- - 2013
A Toledo, Ohio, hospital used to throw away the meals it didn't serve. Now it helps to feed its hungry neighbors.
Danner Raymond M RM Smithsonian Migratory Bird Center, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC 20008, USA. - - 2013
The Winter Food Limitation Hypothesis (WFLH) states that winter food abundance is a dominant source of population limitation of migratory birds. Evidence is accumulating that long-distance migratory birds wintering in tropical climates have high overwinter survival probabilities and that winter food limitation mainly affects their fitness nonlethally by limiting energetic ...
Lividini Keith K HarvestPlus, International Food Policy Research Institute, Washington, DC, USA. - - 2013
Observed-Weighed Food Record Surveys (OWFR) are regarded as the most precise dietary assessment methodology, despite their recognized shortcomings, which include limited availability, high cost, small samples with uncertain external validity that rarely include all household members, Hawthorne effects, and using only 1 or 2 days to identify "usual intake." Although ...
Fowler David - - 2013
1.An ever increasing number of studies use tools from community phylogenetics to infer the processes underlying the assembly of communities. However, very few studies simultaneously use experimental approaches to characterize the ecological niches of species and directly assess the importance of these structuring processes. 2.In this study, we developed an ...
Dent Claire L - - 2013
Assessing risk is an essential part of human behaviour and may be disrupted in a number of psychiatric conditions. Currently, in many animal experimental designs the basis of the potential 'risk' is loss or attenuation of reward, which fail to capture 'real-life' risky situations where there is a trade-off between ...
Mogol Burçe Ataç - - 2013
Computer vision based image analysis has been widely used in food industry to monitor food quality. It allows performing low cost and non-contact measurement of colour. In this paper, two computer vision based image analysis approaches are discussed to extract mean colour or featured colour information from the digital images ...
Kakoschke Naomi N School of Psychology, Flinders University, Adelaide, Australia. Electronic address: - - 2014
The continual exposure to unhealthy food cues in the environment encourages poor dietary habits, in particular consuming too much fat and sugar, and not enough fruit and vegetables. According to Berridge's (2009) model of food reward, unhealthy eating is a behavioural response to biased attentional processing. The present study used ...
Tomata Yasutake - - 2013
To date, little is known about the association between dietary pattern and disability in older adults. The present prospective cohort study investigated the association between dietary patterns and incident functional disability. Information on food consumption and other lifestyle factors was collected from Japanese older persons aged ≥65 years via a ...
Kiefner Allison E - - 2013
Staggering health implications are associated with poor child diet. Given the importance of parents in impacting children's eating outcomes, the current study examined a theoretical framework in which both parental feeding goals and practices impact specific healthy and unhealthy child eating behaviors. Participants were 171 mothers of 3-6 year old ...
Rémy Alice - - 2013
1. During the settlement stage of dispersal, the outcome of conflicts between residents and immigrants should depend on the social organisation of resident populations as well as on individual traits of immigrants, such as their age class, body mass, and/or behaviour. 2. We have previously shown that spatial distribution of ...
Preston Daniel L - - 2013
Most food webs use taxonomic or trophic species as building blocks, thereby collapsing variability in feeding linkages that occurs during the growth and development of individuals. This issue is particularly relevant to integrating parasites into food webs because parasites often undergo extreme ontogenetic niche shifts. Here, we used three versions ...
Brown Jonathan - - 2013
In Germany, vitamin D intake from food and synthesis in the skin is low, which leads to low 25(OH)D serum concentrations. In contrast to many other countries, general vitamin D food fortification is still prohibited in Germany, although the European Commission published a regulatory framework to harmonize addition of vitamins ...
Christensen Krista L Y - - 2013
Bisphenol A (BPA) is used in the manufacture of a range of consumer products, and human biomonitoring studies suggest that exposure to BPA is nearly ubiquitous. We constructed and calibrated a simple pharmacokinetic model to predict urinary concentrations of BPA based on a known initial dose. This descriptive (rather than ...
< 1 2 3 4 5 6 7 8 9 10 11 >