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https://www.readbyqxmd.com/read/28799082/mathematical-model-of-interaction-between-bacteriocin-producing-lactic-acid-bacteria-and-listeria-part-2-bifurcations-and-applications
#1
Roberta Regina Delboni, Hyun Mo Yang
The big challenge for the food industry is the attending to demands for minimally processed foods, avoiding intense heat treatments and reducing the addition of chemical preservatives, but at the same time ensuring microbiological safety of these products. Lactic acid bacteria are traditionally used in the production of fermented foods. They are responsible for the production of antimicrobial compounds, such as organic acids and bacteriocins, which are protein compounds with bactericidal effect against related species and bacteria such as Listeria monocytogenes and Staphylococcus aureus...
August 10, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/28715307/taking-on-the-obesity-epidemic-researchers-wage-a-big-fat-fight-in-efforts-to-combat-this-global-health-issue
#2
Leslie Mertz
If obesity were tied only to too much food or too little physical activity, the cure would be a simple matter of counting calories or keeping track of steps with a pedometer. Unfortunately, obesity is much more complex. Many other factors come into play, including so-called hunger genes that make a person more susceptible to obesity, infection with certain pathogens linked to weight gain, hormones that dampen or stimulate appetite, sleep disruption that can trigger overeating, and social networks that can promote obesity...
July 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28710057/images-of-little-cigars-and-cigarillos-on-instagram-identified-by-the-hashtag-swisher-thematic-analysis
#3
Jon-Patrick Allem, Patricia Escobedo, Kar-Hai Chu, Tess Boley Cruz, Jennifer B Unger
BACKGROUND: Little cigar and cigarillo use is becoming more prevalent in the United States and elsewhere, with implications for public health. As little cigar and cigarillo use grows in popularity, big social media data (eg, Instagram, Google Web Search, Twitter) can be used to capture and document the context in which individuals use, and are marketed, these tobacco products. Big social media data may allow people to organically demonstrate how and why they use little cigars and cigarillos, unprimed by a researcher, without instrument bias and at low costs...
July 14, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28678528/21st-century-toolkit-for-optimizing-population-health-through-precision-nutrition
#4
Aifric O'Sullivan, Bethany Henrick, Bonnie Dixon, Daniela Barile, Angela Zivkovic, Jennifer Smilowitz, Danielle Lemay, William Martin, J Bruce German, Sara Elizabeth Schaefer
Scientific, technological, and economic progress over the last 100 years all but eradicated problems of widespread food shortage and nutrient deficiency in developed nations. But now society is faced with a new set of nutrition problems related to energy imbalance and metabolic disease, which require new kinds of solutions. Recent developments in the area of new analytical tools enable us to systematically study large quantities of detailed and multidimensional metabolic and health data, providing the opportunity to address current nutrition problems through an approach called Precision Nutrition...
July 5, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28674771/a-review-of-the-physiology-of-a-survival-expert-of-big-freeze-deep-snow-and-an-empty-stomach-the-boreal-raccoon-dog-nyctereutes-procyonoides
#5
REVIEW
Anne-Mari Mustonen, Petteri Nieminen
The raccoon dog (Nyctereutes procyonoides) is an invasive canid originating from eastern Asia. Here, we review its physiological adaptations to wintering, with an emphasis on northern Europe, where the raccoon dog spends the coldest part of the year in winter sleep. The timing of physiological changes related to wintering is connected to photoperiod by melatonin. In preparation to winter, raccoon dogs display autumnal hyperphagia and fattening probably regulated by the interaction of several peptide hormones...
July 4, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28661360/the-swiss-society-of-microbiology-small-bugs-big-questions-and-cool-answers
#6
Gilbert Greub, Christof Holliger, Dominique Sanglard, Jacques Schrenzel, Volker Thiel, Patrick Viollier
The Swiss Society for Microbiology (SSM) represents around 700 scientists working in the fields of medical (human and veterinary), microbial biotechnology as well as fundamental, environmental, and food microbiology. Five sections: Clinical Microbiology, Environmental Microbiology, Mycology, Prokaryotic Biology, and Virology reflects the main interests of the membership.
December 21, 2016: Chimia
https://www.readbyqxmd.com/read/28638401/development-of-elite-bph-resistant-wide-spectrum-restorer-lines-for-three-and-two-line-hybrid-rice
#7
Fengfeng Fan, Nengwu Li, Yunping Chen, Xingdan Liu, Heng Sun, Jie Wang, Guangcun He, Yingguo Zhu, Shaoqing Li
Hybrid rice has contributed significantly to the world food security. Breeding of elite high-yield, strong-resistant broad-spectrum restorer line is an important strategy for hybrid rice in commercial breeding programs. Here, we developed three elite brown planthopper (BPH)-resistant wide-spectrum restorer lines by pyramiding big-panicle gene Gn8.1, BPH-resistant genes Bph6 and Bph9, fertility restorer genes Rf3, Rf4, Rf5, and Rf6 through molecular marker assisted selection. Resistance analysis revealed that the newly developed restorer lines showed stronger BPH-resistance than any of the single-gene donor parent Luoyang-6 and Luoyang-9...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28609145/three-phase-partitioning-as-an-elegant-and-versatile-platform-applied-to-non-chromatographic-bioseparation-processes
#8
Jing-Kun Yan, Yao-Yao Wang, Wen-Yi Qiu, Haile Ma, Zhen-Bin Wang, Jian-Yong Wu
In recent years, a big trend has been the development of rapid, green, efficient, economical, and scalable approaches for the separation and purification of bioactive molecules from natural sources, which can be used in food, cosmetics, and medicine. As a new non-chromatographic bioseparation technology, three-phase partitioning (TPP) is attracting the attention of a growing number of scientists and engineers. Although a number of studies have been published in the last 40 years regarding the extraction, separation, and purification of numerous bioactive molecules using TPP systems, a background review on TPP partitioning fundamentals and its applications is much needed...
June 13, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28592973/exploring-the-concern-about-food-allergies-among-secondary-school-and-university-students-in-ontario-canada-a-descriptive-analysis
#9
Shannon E Majowicz, James K H Jung, Sarah M Courtney, Daniel W Harrington
Our objective was to explore the perceived risk of food allergies among students in Ontario, Canada. We analyzed blinding questions ("I am concerned about food allergies"; "food allergies are currently a big threat to my health") from three existing food safety surveys, given to high school and university undergraduate students (n = 3,451) circa February 2015, using descriptive analysis, and explored how concern related to demographics and self-reported cooking ability using linear regression. Overall, high school students were neutral in their concern, although Food and Nutrition students specifically were significantly less concerned (p = 0...
2017: Journal of Allergy
https://www.readbyqxmd.com/read/28592096/-survey-on-dietary-nutrients-intake-of-chinese-residents-between-2010-and-2012
#10
Q Y Guo, L Y Zhao, Y N He, Y H Fang, H Y Fang, X L Xu, F M Jia, D M Yu
Objective: To investigate the average dietary nutrients intake status among Chinese residents between 2010-2012, and to compare the difference between rural and urban areas. Methods: Data were collected from Chinese Nutrition and Health Surveillance between 2010-2012. Based on regional features and economic development levels, China's county-level divisions were classified into four types: big city, medium and small city, ordinary rural area and poor rural area. A total of 62 857 valid subjects, including 14 017, 16 539, 19 910 and 12 391 respondents in each group separately, were enrolled by Multi-stage stratified proportion to the population cluster random sampling method...
June 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28545533/food-beliefs-and-practices-among-the-kalenjin-pregnant-women-in-rural-uasin-gishu-county-kenya
#11
Roselyter Monchari Riang'a, Jacqueline Broerse, Anne Kisaka Nangulu
BACKGROUND: Understanding food beliefs and practices is critical to the development of dietary recommendations, nutritional programmes, and educational messages. This study aimed to understand the pregnancy food beliefs and practices and the underlying reasons for these among the contemporary rural Kalenjin communities of Uasin Gishu County, Kenya. METHODS: Through semi-structured interviews, data was collected from 154 pregnant and post-natal Kalenjin women about restricted and recommended foods, and why they are restricted or recommended during pregnancy...
May 25, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28529082/rice-expression-database-red-an-integrated-rna-seq-derived-gene-expression-database-for-rice
#12
Lin Xia, Dong Zou, Jian Sang, Xingjian Xu, Hongyan Yin, Mengwei Li, Shuangyang Wu, Songnian Hu, Lili Hao, Zhang Zhang
Rice is one of the most important stable food as well as a monocotyledonous model organism for the plant research community. Here, we present RED (Rice Expression Database; http://expression.ic4r.org), an integrated database of rice gene expression profiles derived entirely from RNA-Seq data. RED features a comprehensive collection of 284 high-quality RNA-Seq experiments, integrates a large number of gene expression profiles and covers a wide range of rice growth stages as well as various treatments. Based on massive expression profiles, RED provides a list of housekeeping and tissue-specific genes and dynamically constructs co-expression networks for gene(s) of interest...
May 20, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28468730/the-influence-of-decreased-hydraulic-retention-time-on-the-performance-and-stability-of-co-digestion-of-sewage-sludge-with-grease-trap-sludge-and-organic-fraction-of-municipal-waste
#13
Anna Grosser
The effect of hydraulic retention time ranging from 12 to 20 d on process performance and stability was investigated in two anaerobic completely stirred tank reactors with a working liquid volume equal to 6 litres. The reactors were fed with mixtures containing (on volatile solids basis): 40% of sewage sludge, 30% of organic fraction of municipal waste and 30% of grease trap sludge. The change of hydraulic retention time did not significantly affect process stability. However, methane yields as well as volatile solids removal decreased from 0...
April 30, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28458198/bioaccumulation-and-biomagnification-of-emerging-bisphenol-analogues-in-aquatic-organisms-from-taihu-lake-china
#14
Qiang Wang, Meng Chen, Guoqiang Shan, Pengyu Chen, Shuo Cui, Shujun Yi, Lingyan Zhu
Due to regulations on bisphenol A (BPA) in many countries, a variety of bisphenol analogues are being widely manufactured and applied. However, there is a big knowledge gap on bioaccumulation and biomagnification of these emerging bisphenols in aquatic organisms. The bioaccumulation and magnification of nine bisphenol analogues in aquatic organisms at different trophic levels collected from Taihu Lake, China, were evaluated. The total concentrations of the nine bisphenols in the lake waters were in the range of 49...
November 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28453058/-socioeconomic-factors-conditioning-obesity-in-adults-evidence-based-on-quantile-regression-and-panel-data
#15
Karina L Temporelli, Valentina N Viego
Objective To measure the effect of socioeconomic variables on the prevalence of obesity. Factors such as income level, urbanization, incorporation of women into the labor market and access to unhealthy foods are considered in this paper. Method Econometric estimates of the proportion of obese men and women by country were calculated using models based on panel data and quantile regressions, with data from 192 countries for the period 2002-2005.Levels of per capita income, urbanization, income/big mac ratio price and labor indicators for female population were considered as explanatory variables...
August 2016: Revista de Salud Pública
https://www.readbyqxmd.com/read/28427535/pathogens-of-food-animals-sources-characteristics-human-risk-and-methods-of-detection
#16
Catherine M Logue, Nicolle L Barbieri, Daniel W Nielsen
Pathogens associated with food production (livestock) animals come in many forms causing a multitude of disease for humans. For the purpose of this review, these infectious agents can be divided into three broad categories: those that are associated with bacterial disease, those that are associated with viruses, and those that are parasitic in nature. The goal of this chapter is to provide the reader with an overview of the most common pathogens that cause disease in humans through exposure via the food chain and the consequence of this exposure as well as risk and detection methods...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28426029/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#17
D L Gambon, A A Schuller, E M Bronkhorst, G J Truin
According to international research, the prevalence of (erosive) tooth wear among children and adolescents has grown steadily in recent decades. The question was whether this also applies to the Netherlands and what changes in consumption patterns may play a role in this development. From 1998 up to and including 2011, 9 studies have been carried out on the prevalence of (erosive) tooth wear among the young. A meta-analysis of these studies reveals that an increase has also taken place in the Netherlands. Furthermore, a tendency was found for greater prevalence with increasing age...
April 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28418414/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#18
D L Gambon, A A Schuller, E M Bronkhorst, G J Truin
According to international research, the prevalence of (erosive) tooth wear among children and adolescents has grown steadily in recent decades. The question was whether this also applies to the Netherlands and what changes in consumption patterns may play a role in this development. From 1998 up to and including 2011, 9 studies have been carried out on the prevalence of (erosive) tooth wear among the young. A meta-analysis of these studies reveals that an increase has also taken place in the Netherlands. Furthermore, a tendency was found for greater prevalence with increasing age...
April 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28405360/towards-an-integrated-food-safety-surveillance-system-a-simulation-study-to-explore-the-potential-of-combining-genomic-and-epidemiological-metadata
#19
A A Hill, M Crotta, B Wall, L Good, S J O'Brien, J Guitian
Foodborne infection is a result of exposure to complex, dynamic food systems. The efficiency of foodborne infection is driven by ongoing shifts in genetic machinery. Next-generation sequencing technologies can provide high-fidelity data about the genetics of a pathogen. However, food safety surveillance systems do not currently provide similar high-fidelity epidemiological metadata to associate with genetic data. As a consequence, it is rarely possible to transform genetic data into actionable knowledge that can be used to genuinely inform risk assessment or prevent outbreaks...
March 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28377327/brominated-flame-retardant-environmental-and-exposed-individuals-health-impact
#20
Patrice Dufour, Corinne Charlier
Since Antiquity, men have used chemicals to protect their goods against fire. Effective and easy to use, brominated flame retardants are used since decades massively in plastic industry. Such like other organohalogenated compounds, brominated flame retardants are very persistent in the environment and able to accumulate along the food chain. Many authors highlight their presence in the environment, in many animal species and in the human serum. Worryingly, man is exposed as soon as the pregnancy and then by the breastfeeding...
April 1, 2017: Annales de Biologie Clinique
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