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https://www.readbyqxmd.com/read/28738586/development-of-a-solid-phase-extraction-method-with-simple-mekc-uv-analysis-for-simultaneous-detection-of-indole-metabolites-in-human-urine-after-administration-of-indole-dietary-supplement
#1
Apichai Phonchai, Prapin Wilairat, Rattikan Chantiwas
This work presents the development of a solid phase extraction method with simple MEKC-UV analysis for the simultaneous determination of indole-3-carbinol (I3C) and its metabolites (3, 3'-diindolylmethane (DIM), indole-3-carboxaldehyde (I3CAL), indole-3-acetonitrile (I3A)) in human urine after oral administration of an indole dietary supplement. Solid phase extraction (SPE) method was applied for the first time for simultaneous analysis of these indole metabolites. The MEKC separation method was developed in a previous work...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738556/development-of-a-new-sample-preparation-method-based-on-liquid-liquid-liquid-extraction-combined-with-dispersive-liquid-liquid-microextraction-and-its-application-on-unfiltered-samples-containing-high-content-of-solids
#2
Mir Ali Farajzadeh, Maryam Abbaspour
A new sample preparation method based on liquid-liquid-liquid extraction combined with dispersive liquid-liquid microextraction followed by gas chromatography-flame ionization detection has been reported for the extraction/preconcentration and determination of trace levels of twelve pesticide residues from different samples with high content of solids without filtration. This method consists of a three-phase system including an aqueous phase (sample solution), acetonitrile, and hexane. The extraction mechanism is based on different affinities of the substances from the sample matrices towards each of the involved phase, which provides a high selectivity to the process...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738536/effect-of-apigenin-kaempferol-and-resveratrol-on-the-gene-expression-and-protein-secretion-of-tumor-necrosis-factor-alpha-tnf-%C3%AE-and-interleukin-10-il-10-in-raw-264-7-macrophages
#3
Marta Palacz-Wrobel, Paulina Borkowska, Monika Paul-Samojedny, Malgorzata Kowalczyk, Anna Fila-Danilow, Renata Suchanek-Raif, Jan Kowalski
Polyphenols such as apigenin, kaempferol or resveratrol are typically found in plants, including fruits, vegetables, herbs and spices, which have a wide range of biological functions such as antioxidative, anti-inflammatory, vasodilative, anticoagulative and proapoptotic. Discovering such multifunctional compounds in widely consumed plant-based products - ones that both inhibit the release of TNF-α from tissue macrophages and at the same time enhance the secretion of IL-10 - would be an important signpost in the quest for effective pharmacological treatment of numerous diseases that have an inflammatory etiology...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738511/litter-thickness-but-not-root-biomass-explains-the-average-and-spatial-structure-of-soil-hydraulic-conductivity-in-secondary-forests-and-coffee-agroecosystems-in-veracruz-mexico
#4
B E Marín-Castro, S Negrete-Yankelevich, D Geissert
Secondary forests and coffee agroecosystems are considered good alternatives for conservation of a high capacity for water filtration in the soil where tropical montane cloud forests (TMCF) once grew; however, it is not clear which characteristics of the vegetation modulate the field saturated hydraulic conductivity of the soil (Kfs) and whether these characteristics persist in such derived systems. Here, we explore how changes in vegetation between secondary forests and coffee agroecosystems have consequences for the average value and spatial variation of litter thickness and root biomass, and whether these differences can explain the Kfs and its spatial distribution...
July 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28737734/storage-of-fruits-and-vegetables-in-refrigerator-increases-their-phenolic-acids-but-decreases-the-total-phenolics-anthocyanins-and-vitamin-c-with-subsequent-loss-of-their-antioxidant-capacity
#5
Joseph H Y Galani, Jalpesh S Patel, Nilesh J Patel, Jayant G Talati
It is of paramount importance for consumers, scientists and industrialists to understand how low-temperature storage of food items affects their bioactive compounds and properties. This study evaluated the effects of cold storage on total phenolics (TP), phenolic acids profile (PA), total anthocyanins (TA), total ascorbic acid (Vit. C) and antioxidant activity (AA) of 19 fruits and vegetables, collected from local Indian markets and stored in refrigerator (4 °C) during 15 days. Content of TP was highest in dill and amaranth and decreased (up to 29...
July 24, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28737712/an-investigation-of-sensory-specific-satiety-and-food-size-when-children-consume-a-whole-or-diced-vegetable
#6
Jasmine R Goh, Catherine G Russell, Djin G Liem
Children's vegetable consumption is often lower than that needed to promote optimal health and development, and practical approaches for increasing vegetable consumption are needed. Sensory Specific Satiety (SSS) reduces the liking and consumption of a consumed food over the course of an eating occasion and is an important factor in meal termination. The present study aimed to investigate the development of SSS when children ate vegetables of different sizes. The absence of SSS would be an encouraging sign to provide children more vegetables during a meal...
July 24, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28737692/salt-reductions-in-some-foods-in-the-netherlands-monitoring-of-food-composition-and-salt-intake
#7
Elisabeth H M Temme, Marieke A H Hendriksen, Ivon E J Milder, Ido B Toxopeus, Susanne Westenbrink, Henny A M Brants, Daphne L van der A
BACKGROUND AND OBJECTIVES: High salt intake increases blood pressure and thereby the risk of chronic diseases. Food reformulation (or food product improvement) may lower the dietary intake of salt. This study describes the changes in salt contents of foods in the Dutch market over a five-year period (2011-2016) and differences in estimated salt intake over a 10-year period (2006-2015). METHODS: To assess the salt contents of foods; we obtained recent data from chemical analyses and from food labels...
July 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28737681/nutrient-and-total-polyphenol-contents-of-dark-green-leafy-vegetables-and-estimation-of-their-iron-bioaccessibility-using-the-in-vitro-digestion-caco-2-cell-model
#8
Francis Kweku Amagloh, Richard Atinpoore Atuna, Richard McBride, Edward Ewing Carey, Tatiana Christides
Dark green leafy vegetables (DGLVs) are considered as important sources of iron and vitamin A. However, iron concentration may not indicate bioaccessibility. The objectives of this study were to compare the nutrient content and iron bioaccessibility of five sweet potato cultivars, including three orange-fleshed types, with other commonly consumed DGLVs in Ghana: cocoyam, corchorus, baobab, kenaf and moringa, using the in vitro digestion/Caco-2 cell model. Moringa had the highest numbers of iron absorption enhancers on an "as-would-be-eaten" basis, β-carotene (14169 μg/100 g; p < 0...
July 22, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28737472/histone-deacetylase-hd2d-is-involved-in-regulating-plant-development-and-flowering-time-in-arabidopsis
#9
Gang Tian, Joshua Farhi, Hui Fang, Denis Maxwell, Tim Xing, Lining Tian
HD2D is one of the four plant specific HD2 family histone deacetylases (HDAC) identified in Arabidopsis and it is distantly related to the other HD2 members. At this time, little is known about the function of HD2D in plants. Here we provide evidence that HD2D is involved in the control of flowering time. Flowering was delayed in transgenic plants overexpressing HD2D and hd2d mutant plants flowered earlier compared to wild-type in both long day and short day conditions. Expression of several floral identity genes was altered in these plants...
July 24, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28736847/reproductive-plasticity-and-landscape-heterogeneity-benefit-a-ground-nesting-bird-in-a-fire-prone-ecosystem
#10
J Matthew Carroll, Torre J Hovick, Craig A Davis, R Dwayne Elmore, Samuel D Fuhlendorf
Disturbance is critical for the conservation of rangeland ecosystems worldwide and many of these systems are fire dependent. Although it is well established that restoring fire as an ecological process can lead to increased biodiversity in grasslands and shrublands, the underlying mechanisms driving community patterns are poorly understood for fauna in fire-prone landscapes. Much of this uncertainty stems from the paucity of studies that examine the effects of fire at scales relevant to organism life histories...
July 24, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28736728/the-influence-of-apical-and-basal-defoliation-on-the-canopy-structure-and-biochemical-composition-of-vitis-vinifera-cv-shiraz-grapes-and-wine
#11
Pangzhen Zhang, Xiwen Wu, Sonja Needs, Di Liu, Sigfredo Fuentes, Kate Howell
Defoliation is a commonly used viticultural technique to balance the ratio between grapevine vegetation and fruit. Defoliation is conducted around the fruit zone to reduce the leaf photosynthetic area, and to increase sunlight exposure of grape bunches. Apical leaf removal is not commonly practiced, and therefore its influence on canopy structure and resultant wine aroma is not well-studied. This study quantified the influences of apical and basal defoliation on canopy structure parameters using canopy cover photography and computer vision algorithms...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28736662/can-time-resolved-nirs-provide-the-sensitivity-to-detect-brain-activity-during-motor-imagery-consistently
#12
Androu Abdalmalak, Daniel Milej, Mamadou Diop, Mahsa Shokouhi, Lorina Naci, Adrian M Owen, Keith St Lawrence
Previous functional magnetic resonance imaging (fMRI) studies have shown that a subgroup of patients diagnosed as being in a vegetative state are aware and able to communicate by performing a motor imagery task in response to commands. Due to the fMRI's cost and accessibility, there is a need for exploring different imaging modalities that can be used at the bedside. A promising technique is functional near infrared spectroscopy (fNIRS) that has been successfully applied to measure brain oxygenation in humans...
April 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28736622/nutrition-and-osteoporosis-prevention-for-the-orthopaedic-surgeon-a-wholefoods-approach
#13
Jennette Higgs, Emma Derbyshire, Kathryn Styles
Osteoporosis is a prevalent and debilitating condition with no signs of subsiding. Rising numbers of people consuming nutrient-poor diets coupled with ageing populations and sedentary lifestyles appear to be the main drivers behind this.While the nutrients calcium and vitamin D have received most attention, there is growing evidence that wholefoods and other micronutrients have roles to play in primary and potentially secondary osteoporosis prevention.Until recently, calcium and vitamin D were regarded as the main nutrients essential to bone health but now there are emerging roles for iron, copper and selenium, among others...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28736573/a-rapid-and-efficient-in-vitro-regeneration-system-for-lettuce-lactuca-sativa-l
#14
Isabel Armas, Natalia Pogrebnyak, Ilya Raskin
BACKGROUND: Successful biotechnological improvement of crop plants requires a reliable and efficient in vitro regeneration system. Lettuce (Lactuca sativa L.), one the most important vegetable crops worldwide, is strongly genotype-dependent in terms of regeneration capacity, limiting the potential for biotechnological improvement of cultivars which show recalcitrance under currently available protocols. The effect of different nutrient sources, plant hormone combinations and activated charcoal supplementation on shoot induction efficiency was evaluated on the cultivar 'RSL NFR', which had previously shown poor regeneration efficiency...
2017: Plant Methods
https://www.readbyqxmd.com/read/28736552/asiatic-acid-exhibits-anti-inflammatory-and-antioxidant-activities-against-lipopolysaccharide-and-d-galactosamine-induced-fulminant-hepatic-failure
#15
Hongming Lv, Zhimin Qi, Sisi Wang, Haihua Feng, Xuming Deng, Xinxin Ci
Inflammation and oxidative stress are essential for the pathogenesis of fulminant hepatic failure (FHF). Asiatic acid (AA), which is a pentacyclic triterpene that widely occurs in various vegetables and fruits, has been reported to possess antioxidant and anti-inflammatory properties. In this study, we investigated the protective effects of AA against lipopolysaccharide (LPS) and d-galactosamine (GalN)-induced FHF and the underlying molecular mechanisms. Our findings suggested that AA treatment effectively protected against LPS/d-GalN-induced FHF by lessening the lethality; decreasing the alanine transaminase and aspartate aminotransferase levels, interleukin (IL)-1β, IL-6, and tumor necrosis factor-α production, malondialdehyde formation, myeloperoxidase level and reactive oxygen species generation (i...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28736087/sphingomonads-in-microbe-assisted-phytoremediation-tackling-soil-pollution
#16
REVIEW
Michael Gatheru Waigi, Kai Sun, Yanzheng Gao
Soil pollution has become a major concern in various terrestrial ecosystems worldwide. One in situ soil bioremediation strategy that has gained popularity recently is microbe-assisted phytoremediation, which is promising for remediating pollutants. Sphingomonads, a versatile bacteria group comprising four well-known genera, are ubiquitous in vegetation grown in contaminated soils. These Gram-negative microbes have been investigated for their ability to induce innate plant growth-promoting (PGP) traits, including the formation of phytohormones, siderophores, and chelators, in addition to their evolutionary adaptations enabling biodegradation and microbe-assisted removal of contaminants...
July 20, 2017: Trends in Biotechnology
https://www.readbyqxmd.com/read/28736047/health-risk-assessment-as-an-approach-to-manage-an-old-landfill-and-to-propose-integrated-solid-waste-treatment-a-case-study-in-italy
#17
O Paladino, M Massabò
The aim of the present paper is to show how an approach based on human health risk analysis can be used as a decisional tool for the evaluation of impacts on population and for deciding between different waste treatment processes. The situation in which the increasing production of solid wastes cannot be confined in the old existing Municipal Solid Waste landfill (settled in Genoa, Liguria Region, Italy) is used as a case study. Risk assessment for human health due to air, surface water, groundwater and soil contamination is performed in different scenarios for the old landfill and compared with alternative Waste-to-Energy management solutions that consider thermal treatment by gasification of the total waste or gasification of the dry fraction coupled with anaerobic digestion of the wet fraction, plus biogas combustion with or without sludge and bottom ash/slag disposal in the old landfill...
July 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28735974/characteristics-of-six-small-heat-shock-protein-genes-from-bactrocera-dorsalis-diverse-expression-under-conditions-of-thermal-stress-and-normal-growth
#18
Wei Dou, Yi Tian, Hong Liu, Yan Shi, Guy Smagghe, Jin-Jun Wang
To explore the functions of small heat shock proteins (sHsps) in relation to thermal stress and development in Bactrocera dorsalis (Hendel), one of the most economically important pest species attacking a wide range of fruits and vegetables, six full-length cDNAs of sHsp genes (BdHsp17.7, 18.4, 20.4, 20.6, 21.6 and 23.8) were cloned, and the expression patterns in different developmental stages and tissues, as well as in response to both thermal and 20-hydroxyecdysone (20E) exposures, were examined using real time quantitative PCR...
July 20, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28735582/health-literacy-and-fruit-and-vegetable-intake-in-rural-australia
#19
Siew Lim, Alison Beauchamp, Sarity Dodson, Jonathan O'Hara, Crystal McPhee, Alexandra Fulton, Carol Wildey, Richard H Osborne
OBJECTIVE: Adequate fruit and vegetable intake is important in the prevention of chronic disease. Health literacy is associated with health outcomes but its role in dietary behaviour has received little attention. The present study investigated the association between a multidimensional measure of health literacy, sociodemographic characteristics, and fruit and vegetable intake in rural Australia. DESIGN: A cross-sectional survey on intake of fruits and vegetables (servings/d), demographic characteristics and health literacy profile using a nine-scale Health Literacy Questionnaire (HLQ)...
July 24, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28735572/early-nutritional-intervention-can-improve-utilisation-of-vegetable-based-diets-in-diploid-and-triploid-atlantic-salmon-salmo-salar-l
#20
Michael Clarkson, Herve Migaud, Christoforos Metochis, Luisa M Vera, Daniel Leeming, Douglas R Tocher, John F Taylor
The present study investigated nutritional programming in Atlantic salmon to improve utilisation of a vegetable-based diet. At first exogenous feeding, fry were fed either a marine-based diet (Diet Mstimulus, 80% fishmeal (FM)/4% fish oil (FO)) or a vegetable-based diet (Diet Vstimulus, 10% FM/0% FO) for 3 weeks. Subsequently, all fish were then fed under the same conditions with a commercial, marine-based, diet for 15 weeks and thereafter challenged with a second V diet (Diet Vchallenge, 10% FM/0% FO) for 6 weeks...
July 24, 2017: British Journal of Nutrition
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