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https://www.readbyqxmd.com/read/28089203/carbon-footprint-and-energy-use-of-food-waste-management-options-for-fresh-fruit-and-vegetables-from-supermarkets
#1
Mattias Eriksson, Johanna Spångberg
Food waste is a problem with economic, environmental and social implications, making it both important and complex. Previous studies have addressed food waste management options at the less prioritised end of the waste hierarchy, but information on more prioritised levels is also needed when selecting the best available waste management options. Investigating the global warming potential and primary energy use of different waste management options offers a limited perspective, but is still important for validating impacts from the waste hierarchy in a local context...
January 11, 2017: Waste Management
https://www.readbyqxmd.com/read/28042104/laboratory-bioassays-with-three-different-substrates-to-test-the-efficacy-of-insecticides-against-various-stages-of-drosophila-suzukii-diptera-drosophilidae
#2
Aneliya Koleva Pavlova, Melanie Dahlmann, Mirjam Hauck, Annette Reineke
Rapid worldwide spread and polyphagous nature of the spotted wing Drosophila Drosophila suzukii Matsumura (Diptera: Drosophilidae) calls for efficient and selective control strategies to prevent severe economic losses in various fruit crops. The use of insecticides is one option for management of this invasive pest insect. Efficacy of insecticides is usually assessed first in laboratory bioassays, which are compounded by the cryptic nature of D. suzukii larvae and the fact that fruits used in bioassays often start to rot and dissolve before larvae have reached the adult stage...
December 31, 2016: Journal of Insect Science
https://www.readbyqxmd.com/read/28008718/binary-solvent-based-ionic-liquid-assisted-surfactant-enhanced-emulsification-microextraction-for-the-determination-of-four-fungicides-in-apple-juice-and-apple-vinegar
#3
Xiaochu Chen, Xu Zhang, Fengmao Liu, Fan Hou
A binary-solvent-based ionic-liquid-assisted surfactant-enhanced emulsification microextraction method was developed for the separation/preconcentration and determination of four fungicides (pyrimethanil, fludioxonil, cyprodynil, pyraclostrobin) in apple juice and apple vinegar. A non-chlorinated solvent amyl acetate, which has a lower density than water, was used as the extraction solvent, and an ionic liquid 1-hexyl-3-methylimidazolium hexafluorophosphate, which has a high density and low toxicity, was used as a secondary solvent mixed with the extraction solvent...
December 23, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27993542/modification-of-citrus-and-apple-pectin-by-power-ultrasound-effects-of-acid-and-enzymatic-treatment
#4
Nerea Muñoz-Almagro, Antonia Montilla, F Javier Moreno, Mar Villamiel
Pectin-derived oligosaccharides are emerging as a new generation of functional ingredients with new or improved technological and/or bioactive properties as compared to pectin. This work addresses the impact of power ultrasound (US) on the structure of citrus and apple pectin under different experimental conditions of power, amplitude and pectin concentration in aqueous and acid media, as well as in the presence of a pectinase. Results indicated that depolymerisation of both pectin increased with time and intensity of US in aqueous media and their polydispersity decreased...
December 1, 2016: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27987275/self-assembled-magnetic-nanoparticle-supported-zeolitic-imidazolate-framework-8-an-efficient-adsorbent-for-the-enrichment-of-triazine-herbicides-from-fruit-vegetables-and-water
#5
Lian Zhou, Ping Su, Yulan Deng, Yi Yang
Zeolitic imidazolate frameworks have positive surface charges and high adsorption capabilities. In this work, zeolitic imidazolate frameworks-8 and negatively-charged magnetic nanoparticles were self-assembled by electrostatic attraction under sonication. The extraction performance of the synthesized hybrid material was evaluated by using it as a magnetic adsorbent for the enrichment of triazine herbicides in various sample matrices prior to analysis using ultra-fast liquid chromatography. The main parameters, i...
December 16, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27977925/atomic-layer-deposition-of-in2o3-h-from-incp-and-h2o-o2-microstructure-and-isotope-labeling-studies
#6
Yizhi Wu, Bart Macco, Dries Vanhemel, Sebastian Kölling, Marcel A Verheijen, Paul M Koenraad, Wilhelmus M M Kessels, Fred Roozeboom
The atomic layer deposition (ALD) process of hydrogen-doped indium oxide (In2O3:H) using indium cyclopentadienyl (InCp) and both O2 and H2O as precursors is highly promising for the preparation of transparent conductive oxides. It yields a high growth per cycle (>0.1 nm), is viable at temperatures as low as 100 °C, and provides a record optoelectronic quality after postdeposition crystallization of the films ( ACS Appl. Mat. Interfaces , 2015 , 7 , 16723 - 16729 , DOI: 10.1021/acsami.5b04420 ) . Since both the dopant incorporation and the film microstructure play a key role in determining the optoelectronic properties, both the crystal growth and the incorporation of the hydrogen dopant during this ALD process are studied in this work...
December 27, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27928532/collagen-extracted-from-persian-gulf-squid-exhibits-anti-cytotoxic-properties-on-apple-pectic-treated-cells-assessment-in-an-in-vitro-bioassay-model
#7
Ladan Delphi, Houri Sepehri, Elaheh Motevaseli, Mohammad Reza Khorramizadeh
BACKGROUND: Collagen-based three-dimensional (3D) in vitro systems have been introduced to study the physiological states of cells. As a biomolecule, collagen is usually extracted from terrestrial animals whilst aquatic animals like squid contain large amounts of collagen. METHODS: In order to make effective use of marine organisms, we selected Persian Gulf squid in 2015 to extract the required collagen. Then, a 3D culture system based on the extracted collagen was applied to investigate cellular mechanisms in a native microenvironment...
August 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27917839/characterization-and-1-57%C3%A2-%C3%A3-resolution-structure-of-the-key-fire-blight-phosphatase-amsi-from-erwinia-amylovora
#8
Marco Salomone-Stagni, Francesco Musiani, Stefano Benini
AmsI is a low-molecular-weight protein tyrosine phosphatase that regulates the production of amylovoran in the Gram-negative bacterium Erwinia amylovora, a specific pathogen of rosaceous plants such as apple, pear and quince. Amylovoran is an exopolysaccharide that is necessary for successful infection. In order to shed light on AmsI, its structure was solved at 1.57 Å resolution at the same pH as its highest measured activity (pH 5.5). In the active site, a water molecule, bridging between the catalytic Arg15 and the reaction-product analogue sulfate, might be representative of the water molecule attacking the phospho-cysteine intermediate in the second step of the reaction mechanism...
December 1, 2016: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/27889932/interaction-of-hepes-buffer-with-glass-ceramic-scaffold-can-hepes-replace-tris-in-sbf
#9
Dana Rohanová, Diana Horkavcová, Laine Paidere, Aldo Roberto Boccaccini, Pavlína Bozděchová, Petr Bezdička
An international standard (ISO: 23317:2014) exists for the in vitro testing of inorganic biomaterials in simulated body fluid (SBF). This standard uses TRIS buffer to maintain neutral pH in SBF, but in our previous paper, we showed that the interaction of a tested glass-ceramic material with TRIS can produce false-positive results. In this study, we evaluated whether the HEPES buffer, which also belongs to the group of Good's buffers, would be more suitable for SBF. We compared its suitability in two media: SBF with HEPES and demineralized water with HEPES...
November 27, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27886447/synthesis-of-novel-quaternary-silica-hybrid-bioactive-microspheres
#10
A Angelopoulou, E Κ Efthimiadou, G Kordas
PURPOSE: To survey the preparation of novel hybrid microspheres of quaternary silicate glassy composition (SiO2 P2 O5 CaONa2 O) and the prospect of using them as an osteogenic system with enhanced bioactive properties for the development of hydroxyapatite. METHOD: In line with our previous synthetic procedure a two-step process was followed, wherein polystyrene (PS) microspheres were prepared by the emulsifier free-emulsion polymerization method and constituted the core for the sol-gel coating of the silicate inorganic shell...
November 25, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27882892/automated-online-solid-phase-extraction-liquid-chromatography-mass-spectrometric-analysis-of-dithianon-in-water
#11
Alice Passoni, Marco Vighi, Enrico Davoli, Roberto Fanelli, Renzo Bagnati
An automated online solid-phase extraction-liquid chromatography mass spectrometry (SPE-LC/MS) method was developed for the quantification of dithianon in surface water samples, using warfarin as internal standard. The method was developed on a liquid chromatography (LC) system with Flexible Cube interfaced to a quadrupole time-of-flight (Q-TOF) mass spectrometer. A small volume of acidified water (1 mL) was spiked with internal standard, pre-concentrated online on polymeric cartridges and analyzed by full-scan MS in high-resolution conditions...
2016: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/27882564/processing-black-mulberry-into-jam-effects-on-antioxidant-potential-and-in-vitro-bioaccessibility
#12
Merve Tomas, Gamze Toydemir, Dilek Boyacioglu, Robert D Hall, Jules Beekwilder, Esra Capanoglu
BACKGROUND: Black mulberries (Morus nigra) were processed into jam on an industrialized scale, including the major steps of: selection of frozen black mulberries, adding glucose-fructose syrup and water, cooking, adding citric acid and apple pectin, removing seeds, and pasteurization. Qualitative and quantitative determinations of antioxidants in black mulberry samples were performed using spectrophotometric methods, as well as HPLC- and LC-QTOF-MS-based measurements. These analyses included the determination of total polyphenolic content, percent polymeric color, total and individual anthocyanin contents, antioxidant capacity, and in vitro bioaccessibility in processing samples...
November 23, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27881759/effects-of-sea-ice-cover-on-satellite-detected-primary-production-in-the-arctic-ocean
#13
Mati Kahru, Zhongping Lee, B Greg Mitchell, Cynthia D Nevison
The influence of decreasing Arctic sea ice on net primary production (NPP) in the Arctic Ocean has been considered in multiple publications but is not well constrained owing to the potentially large errors in satellite algorithms. In particular, the Arctic Ocean is rich in coloured dissolved organic matter (CDOM) that interferes in the detection of chlorophyll a concentration of the standard algorithm, which is the primary input to NPP models. We used the quasi-analytic algorithm (Lee et al 2002 Appl. Opti...
November 2016: Biology Letters
https://www.readbyqxmd.com/read/27872628/proteomics-and-ssh-analyses-of-ala-promoted-fruit-coloration-and-evidence-for-the-involvement-of-a-mads-box-gene-mdmads1
#14
Xinxin Feng, Yuyan An, Jie Zheng, Miao Sun, Liangju Wang
Skin color is a key quality attribute of fruits and how to improve fruit coloration has long been a major concern. 5-Aminolevulinic acid (ALA), a natural plant growth regulator, can significantly increase anthocyanin accumulation in fruit skin and therefore effectively improve coloration of many fruits, including apple. However, the molecular mechanism how ALA stimulates anthocyanin accumulation in fruit skin remains unknown. Here, we investigated the impact of ALA on apple skin at the protein and mRNA levels...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27871132/aspergillus-penicillioides-differentiation-and-cell-division-at-0-585-water-activity
#15
Andrew Stevenson, Philip G Hamill, Callum J O'Kane, Gerhard Kminek, John D Rummel, Mary A Voytek, Jan Dijksterhuis, John E Hallsworth
Water availability acts as the most-stringent constraint for life on Earth. Thus, understanding the water relations of microbial extremophiles is imperative to our ability to increase agricultural productivity (e.g., by enhancing the processing and turnover of dead organic matter in soils of arid regions); reduce human exposure to mycotoxins in buildings and our food-supply chain; prevent the spoilage of foods/animal feeds, books, museum specimens and artworks; and better control microbiology of industrial fermentations...
November 21, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27813104/effect-of-surface-properties-on-colloid-retention-on-natural-and-surrogate-produce-surfaces
#16
Volha Lazouskaya, Taozhu Sun, Li Liu, Gang Wang, Yan Jin
Bacterial contamination of fresh produce is a growing concern in food industry. Pathogenic bacteria can attach to and colonize the surfaces of fresh produce and cause disease outbreaks among consumers. Surface properties of both bacteria and produce affect bacterial contamination; however, the effects of produce roughness, topography, and hydrophobicity on bacterial retention are still poorly understood. In this work, we used spherical polystyrene colloids as bacterial surrogates to investigate colloid retention on and removal (by rinsing) from fresh produce surfaces including tomato, orange, apple, lettuce, spinach, and cantaloupe, and from surrogate produce surface Sharklet (a micro-patterned polymer)...
December 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27807734/lipid-lowering-with-soluble-dietary-fiber
#17
REVIEW
Prasanth Surampudi, Byambaa Enkhmaa, Erdembileg Anuurad, Lars Berglund
Consumption of dietary soluble fibers has been associated with health benefits such as reduced lipid levels, lower blood pressure, improved blood glucose control, weight loss, improved immune function, and reduced inflammation. Many of these health benefits relate to a reduced risk of developing cardiovascular disease. In this paper, we have reviewed recent studies on the hypocholesterolemic effects of dietary soluble fibers as well as fiber-rich foods. Findings include the following: (a) consumption of water-soluble, viscous-forming fibers can reduce total and low-density lipoprotein cholesterol levels by about 5-10 %; (b) minimal changes of high-density lipoprotein cholesterol or triglyceride levels were observed; (c) cholesterol-lowering properties of soluble fibers depend on their physical and chemical properties; and (d) medium to high molecular weight fibers are more effective in reducing lipid levels...
December 2016: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/27801972/development-of-a-chitosan-based-tissue-engineered-renal-proximal-tubule-conduit
#18
I-Ni Chiang, Wan-Chen Huang, Chao-Yuan Huang, Yeong-Shiau Pu, Tai-Horng Young
Renal proximal tubule cells (RPTCs) are responsible for glomerular filtration and maintenance of water/electrolyte balance. To regenerate a proximal tubule, sufficient cell numbers and normal cell function are requisite. Collagen has been routinely used as a substrate for culturing human RPTCs (HRPTCs); however, the role of biomaterials has not been thoroughly explored. In this study, RPTCs retrieved from human nephrectomy/nephroureterectomy specimens were cultivated on chitosan as a substrate in serum-free condition for up to 150 days...
November 1, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27776536/postprandial-effect-of-breakfast-glycaemic-index-on-vascular-function-glycaemic-control-and-cognitive-performance-bgi-study-study-protocol-for-a-randomised-crossover-trial
#19
Natalia Sanchez-Aguadero, Luis Garcia-Ortiz, Maria C Patino-Alonso, Sara Mora-Simon, Manuel A Gomez-Marcos, Rosario Alonso-Dominguez, Benigna Sanchez-Salgado, Jose I Recio-Rodriguez
BACKGROUND: Postprandial glycaemic response affects cognitive and vascular function. The acute effect of breakfast glycaemic index on vascular parameters is not sufficiently known. Also, the influence of breakfasts with different glycaemic index on cognitive performance has been mostly studied in children and adolescents with varying results. Therefore, the purpose of this study is to analyse the postprandial effect of high and low glycaemic index breakfasts on vascular function and cognitive performance and their relationship with postprandial glycaemic response in healthy young adults...
October 24, 2016: Trials
https://www.readbyqxmd.com/read/27755580/an-apple-fruit-fermentation-aff-treatment-improves-the-composition-of-the-rhizosphere-microbial-community-and-growth-of-strawberry-fragaria-%C3%A3-ananassa-duch-benihoppe-seedlings
#20
Jie Zhang, Hui Pang, Mengxia Ma, Yufen Bu, Wei Shao, Weijing Huang, Qianlong Ji, Yuncong Yao
Plant growth can be promoted by the application of apple fruit fermentation (AFF), despite unclear of the underlying mechanisms, the effects involved in AFF on rhizosphere microorganisms have been hypothesized. We investigated the consequences of applying AFF alone or in combination with Bacillus licheniformis to strawberry tissue culture seedlings in vitro, the analyses of Denaturing Gradient Gel Electrophoresis (DGGE) and 16S rDNA were performed to determine AFF effects on rhizosphere. Moreover, the growth index and antioxidant enzyme activities were determined 30 days after treatments...
2016: PloS One
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