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https://www.readbyqxmd.com/read/28715785/prenatal-exposure-estimation-of-bpa-and-dehp-using-integrated-external-and-internal-dosimetry-a-case-study
#1
M A Martínez, J Rovira, R Prasad Sharma, M Nadal, M Schuhmacher, V Kumar
Prenatal exposure to Endocrine disruptors (EDs), such as Bisphenol A (BPA) and di (2-ethylhexyl) phthalate (DEHP), has been associated with obesity and diabetes diseases in childhood, as well as reproductive, behavioral and neurodevelopment problems. The aim of this study was to estimate the prenatal exposure to BPA and DEHP through food consumption for pregnant women living in Tarragona County (Spain). Probabilistic calculations of prenatal exposure were estimated by integrated external and internal dosimetry modelling, physiologically based pharmacokinetic (PBPK) model, using a Monte-Carlo simulation...
July 14, 2017: Environmental Research
https://www.readbyqxmd.com/read/28697384/schizosaccharomyces-pombe-and-saccharomyces-cerevisiae-yeasts-in-sequential-fermentations-effect-on-phenolic-acids-of-fermented-kei-apple-dovyalis-caffra-l-juice
#2
P P Minnaar, N P Jolly, V Paulsen, H W Du Plessis, M Van Der Rijst
Kei-apple (Dovyalis caffra) is an evergreen tree indigenous to Southern Africa. The fruit contains high concentrations of l-malic acid, ascorbic acid, and phenolic acids. Kei-apple juice was sequentially inoculated with Schizosaccharomyces pombe and Saccharomyces cerevisiae yeasts. A reference fermentation using only S. cerevisiae was included. The fermentation was monitored by recording mass loss. At the end of fermentation, twelve untrained judges conducted free choice aroma profiling on the fruit wines. The Kei-apple juice and wines were analysed for total titratable acidity, total soluble solids, pH, alcohol, l-malic acid, and phenolic acids...
July 6, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28681292/biochars-mitigate-greenhouse-gas-emissions-and-bioaccumulation-of-potentially-toxic-elements-and-arsenic-speciation-in-phaseolus-vulgaris-l
#3
Muhammad Ibrahim, Gang Li, Sardar Khan, Qiaoqiao Chi, Yaoyang Xu
Anthropogenic and natural activities can lead to increased greenhouse gas emissions and discharge of potentially toxic elements (PTEs) into soil environment. Biochar amendment to soils is a cost-effective technology and sustainable approach used to mitigate greenhouse gas emissions, improve phytoremediation, and minimize the health risks associated with consumption of PTE-contaminated vegetables. Greenhouse pot experiments were conducted to investigate the effects of peanut shell biochar (PNB) and sewage sludge biochar (SSB) on greenhouse gas (GHG) emissions, plant growth, PTE bioaccumulation, and arsenic (As) speciation in bean plants...
July 5, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28672690/valorization-of-starchy-cellulosic-and-sugary-food-waste-into-hydroxymethylfurfural-by-one-pot-catalysis
#4
Iris K M Yu, Daniel C W Tsang, Alex C K Yip, Season S Chen, Yong Sik Ok, Chi Sun Poon
This study aimed to produce a high-value platform chemical, hydroxymethylfurfural (HMF), from food waste and evaluate the catalytic performance of trivalent and tetravalent metals such as AlCl3, CrCl3, FeCl3, Zr(O)Cl2, and SnCl4 for one-pot conversion. Starchy food waste, e.g., cooked rice and penne produced 4.0-8.1 wt% HMF and 46.0-64.8 wt% glucose over SnCl4 after microwave heating at 140 °C for 20 min. This indicated that starch hydrolysis was effectively catalyzed but subsequent glucose isomerization was rate-limited during food waste valorization, which could be enhanced by 40-min reaction to achieve 22...
June 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/28663152/catalase-inhibition-an-anti-cancer-property-of-flavonoids-a-kinetic-and-structural-evaluation
#5
Debashis Majumder, Asmita Das, Chabita Saha
Flavonoids are dietary polyphenols that present abundantly in fruits and vegetables. Flavonoids have inhibitory effects on enzymes and catalase is one among them. Catalase is a common enzyme ubiquitously found in all living organisms exposed to oxygen. It catalyzes the decomposition of hydrogen peroxide to water and oxygen (2H2O2→2H2O+O2). Inhibition of pure and cellular catalase from K562 cells by flavonoids was similar and exhibited the following efficacy; Myrecetin>Quercetin>Kaempferol and Quercetin>Luteolin>Apigenin demonstrating structure activity relationship...
June 27, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28659736/folate-intake-in-a-swedish-adult-population-food-sources-and-predictive-factors
#6
Celia Monteagudo, Henrik Scander, Bente Nilsen, Agneta Yngve
Introduction: Folate plays an important role in cell metabolism, but international studies show that intake is currently below recommendations, especially among women. The study objective was to identify folate food sources by food group, gender, and age group, and to identify factors influencing folate intake, based on food consumption data for Swedish adults in the 2010-11 Riksmaten study. Methods: The sample included a representative Swedish population aged 18-80 years (n = 1657; 56.3% female). Food and nutrient intakes were estimated from self-reported food records during 4 consecutive days...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28655176/a-systematic-review-and-meta-analysis-of-the-effectiveness-of-nudging-to-increase-fruit-and-vegetable-choice
#7
Valérie J V Broers, Céline De Breucker, Stephan Van den Broucke, Olivier Luminet
Background: Nudging refers to interventions that organize the choice architecture in order to alter people's behaviour in a predictable way without forbidding any options or significantly changing their economic incentives. As a strategy to encourage healthy behaviour, nudging can serve as a complement to health education. However, the empirical evidence regarding the effectiveness of nudging as a way to influence food choice remains contradictory. To address this issue, a systematic review and meta-analysis was conducted to test the effects of nudging to encourage people to select more fruit and vegetables...
June 25, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28651189/sex-specific-effects-of-difenoconazole-on-the-growth-hormone-endocrine-axis-in-adult-zebrafish-danio-rerio
#8
Miaomiao Teng, Suzhen Qi, Wentao Zhu, Yao Wang, Dezhen Wang, Yang Yang, Hui Li, Chenglong Li, Kai Dong, Chengju Wang
Difenoconazole, as one of the most widely used triazole fungicides, is applied to protect crops, fruits, and vegetables. It has been reported that difenoconazole can enter the environment and impair aquatic organisms, but whether difenoconazole can disrupt the growth hormone (GH) balance in adult zebrafish (Danio rerio) is still unclear. In this study, adult female and male zebrafish were exposed to difenoconazole (0, 5, 50, and 500µg/L) for seven days. The results revealed that the bioaccumulation of difenoconazole and its primary metabolite difenoconazole alcohol in females were both larger than that in males...
June 23, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647903/farmers-attitude-toward-treated-sludge-use-in-the-villages-of-west-bank-palestine
#9
Md M Rashid, Mary G Kattou'a, Issam A Al-Khatib, Chikashi Sato
An application of treated sewage sludge on agricultural land has been widely accepted, as this method is simple and economical for disposal of wastewater residues. When applied properly on an agricultural land, sludge can replenish organic matter and nutrients in soil. Although sewage sludge has been used in agriculture in many parts of the world, its acceptability varies with different cultures and beliefs among farmers. Farmers' concerns on sludge use are primarily due to its anthropogenic origin, pollutants that it carries, a general perception of sewage being dirty, and its offensive odor...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28644370/adaptation-of-new-colombian-food-based-complementary-feeding-recommendations-using-linear-programming
#10
Marion Tharrey, Gilma A Olaya, Mary Fewtrell, Elaine Ferguson
OBJECTIVE: To use Linear Programming (LP) analyses to adapt New Complementary Feeding Guidelines (NCFg) designed for infants aged 6-12 month (m) living in poor socioeconomic circumstances in Bogota to ensure dietary adequacy for young children aged 12-23 m. DESIGN: A secondary data analysis was performed using dietary and anthropometric data collected from 12 m old infants (n = 72) participating in a randomised controlled trial. LP analyses were performed to identify nutrients whose requirements were difficult to achieve using local foods as consumed; and to test and compare the NCFg and alternative food-based recommendations (FBRs) on the basis of dietary adequacy, for 11 micronutrients, at the population level...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28640929/modulation-of-tumor-microenvironment-by-chemopreventive-natural-products
#11
REVIEW
Sin-Aye Park, Young-Joon Surh
The tumor microenvironment provides a niche in which cancer cells and their surrounding stromal cells reside and in which their interactions occur. The cross talk between cancer and stromal cells in the tumor microenvironment promotes many biological processes to support cancer cell growth, invasion, angiogenesis, and metastasis. Recently, not only cancer cells but also multiple types of surrounding stromal cells, including endothelial cells, immune cells, and fibroblasts in the tumor microenvironment, have been recognized to be attractive targets for reducing resistance to anticancer therapy and tumor recurrence...
June 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28640205/lectins-from-mycelia-of-basidiomycetes
#12
REVIEW
Valentina E Nikitina, Ekaterina A Loshchinina, Elena P Vetchinkina
Lectins are proteins of a nonimmunoglobulin nature that are capable of specific recognition of and reversible binding to the carbohydrate moieties of complex carbohydrates, without altering the covalent structure of any of the recognized glycosyl ligands. They have a broad range of biological activities important for the functioning of the cell and the whole organism and, owing to the high specificity of reversible binding to carbohydrates, are valuable tools used widely in biology and medicine. Lectins can be produced by many living organisms, including basidiomycetes...
June 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28636674/behavior-change-communication-activities-improve-infant-and-young-child-nutrition-knowledge-and-practice-of-neighboring-non-participants-in-a-cluster-randomized-trial-in-rural-bangladesh
#13
John Hoddinott, Ishita Ahmed, Akhter Ahmed, Shalini Roy
OBJECTIVE: To examine the impact on infant and young child nutrition knowledge and practice of mothers who were neighbors of mothers participating in a nutrition Behavior Change Communication (BCC) intervention in rural Bangladesh. METHODS: We analyzed data from 300 mothers whose neighbor participated in a nutrition BCC intervention and 600 mothers whose neighbor participated in an intervention that did not include BCC. We constructed measures capturing mothers' knowledge of infant and young child nutrition (IYCN) and measures of food consumption by children 6-24m...
2017: PloS One
https://www.readbyqxmd.com/read/28632520/are-sex-related-category-specific-differences-in-semantic-tasks-innate-or-influenced-by-social-roles-a-viewpoint
#14
Guido Gainotti
In semantic tasks, sex-related categorical differences, in the form of better processing of fruits and vegetables by women and of artifacts (human-made objects) and animals by men, have been reported both in healthy participants and in brain-damaged patients. Researchers' interpretation of these sex-related categorical asymmetries has, however, been controversial, being connected with the more general (innatist versus experience-dependent) interpretations that had been given of the mechanisms subsuming the categorical organization of the brain...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28630627/changes-in-polyphenols-contents-and-antioxidant-capacities-of-organically-and-conventionally-cultivated-tomato-solanum-lycopersicum-l-fruits-during-ripening
#15
Dea Anton, Ingrid Bender, Tanel Kaart, Mati Roasto, Marina Heinonen, Anne Luik, Tõnu Püssa
Polyphenols of fruits and vegetables form an important part of human dietary compounds. Relatively little is known about accumulation of phenolics during fruits ripening process. The goal of this work was to study the changes in antioxidant activity and in content of 30 polyphenols during ripening of tomato fruits. Five organically and conventionally grown tomato cultivars were investigated at three different ripening stages. Phenolic compounds were extracted with methanol and extracts were analyzed by HPLC-DAD-MS/MS...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28629176/fortifying-horticultural-crops-with-essential-amino-acids-a-review
#16
REVIEW
Guoping Wang, Mengyun Xu, Wenyi Wang, Gad Galili
To feed the world's growing population, increasing the yield of crops is not the only important factor, improving crop quality is also important, and it presents a significant challenge. Among the important crops, horticultural crops (particularly fruits and vegetables) provide numerous health compounds, such as vitamins, antioxidants, and amino acids. Essential amino acids are those that cannot be produced by the organism and, therefore, must be obtained from diet, particularly from meat, eggs, and milk, as well as a variety of plants...
June 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28605333/prevention-of-polyphenols-against-carcinogenesis-induced-by-environmental-carcinogens
#17
REVIEW
Marco Clementino, Xianglin Shi, Zhuo Zhang
Cancer is one of the major causes of death in humans. Of all cancers, 19% are attributed to exposure to environmental chemical carcinogens. Dietary polyphenols from teas, vegetables, fruits, and many others exhibit multiple activities against cancers. Exposure to environmental carcinogens such as ultraviolet B (UVB), polycyclic aromatic hydrocarbons (PAHs), and heavy metals has been demonstrated to cause cancer in humans. In this article, we specifically select UVB, PAHs, and metals as representative of three types of environmental carcinogens: physical, organic, and inorganic, respectively...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/28592995/the-quest-for-epigenetic-regulation-underlying-unisexual-flower-development-in-cucumis-melo
#18
David Latrasse, Natalia Y Rodriguez-Granados, Alaguraj Veluchamy, Kiruthiga Gayathri Mariappan, Claudia Bevilacqua, Nicolas Crapart, Celine Camps, Vivien Sommard, Cécile Raynaud, Catherine Dogimont, Adnane Boualem, Moussa Benhamed, Abdelhafid Bendahmane
BACKGROUND: Melon (Cucumis melo) is an important vegetable crop from the Cucurbitaceae family and a reference model specie for sex determination, fruit ripening and vascular fluxes studies. Nevertheless, the nature and role of its epigenome in gene expression regulation and more specifically in sex determination remains largely unknown. RESULTS: We have investigated genome wide H3K27me3 and H3K9ac histone modifications and gene expression dynamics, in five melon organs...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28587216/selenium-enrichment-of-horticultural-crops
#19
REVIEW
Martina Puccinelli, Fernando Malorgio, Beatrice Pezzarossa
The ability of some crops to accumulate selenium (Se) is crucial for human nutrition and health. Selenium has been identified as a cofactor of the enzyme glutathione peroxidase, which is a catalyzer in the reduction of peroxides that can damage cells and tissues, and can act as an antioxidant. Plants are the first link in the food chain, which ends with humans. Increasing the Se quantity in plant products, including leafy and fruity vegetables, and fruit crops, without exceeding the toxic threshold, is thus a good way to increase animal and human Se intake, with positive effects on long-term health...
June 4, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28586926/cytoprotective-effects-of-pumpkin-cucurbita-moschata-fruit-extract-against-oxidative-stress-and-carbonyl-stress
#20
Reyhaneh Shayesteh, Mohammad Kamalinejad, Hasan Adiban, Azin Kardan, Fariborz Keyhanfar, Mohammad Reza Eskandari
Background Diabetes mellitus is a chronic endocrine disorder that is associated with significant mortality and morbidity due to microvascular and macrovascular complications. Diabetes complications accompanied with oxidative stress and carbonyl stress in different organs of human body because of the increased generation of free radicals and impaired antioxidant defense systems. In the meantime, reactive oxygen species (ROS) and reactive carbonyl species (RCS) have key mediatory roles in the development and progression of diabetes complications...
June 6, 2017: Drug Research
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