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https://www.readbyqxmd.com/read/28643606/origin-of-low-molecular-mass-aldehydes-as-disinfection-by-products-in-beverages
#1
María Serrano, Mercedes Gallego, Manuel Silva
A novel, simple and automatic method based on static headspace-gas chromatography-mass spectrometry has been developed to determine 10 low-molecular mass aldehydes that can be found in beverages, coming from the treated water used in their production. These aldehydes are the most frequently found in treated water as water disinfection by-products, so they can be used as indicators of the addition of treated water to beverages. The study covered a large number of fruit juices and soft drinks. The presence of the whole array of analytes is related to the contact with treated water during beverage production, mainly by the addition of treated water as ingredient...
June 23, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28643121/a-study-on-the-expression-of-genes-involved-in-carotenoids-and-anthocyanins-during-ripening-in-fruit-peel-of-green-yellow-and-red-colored-mango-cultivars
#2
G R Karanjalker, K V Ravishankar, K S Shivashankara, M R Dinesh, T K Roy, D V Sudhakar Rao
Mango (Mangiferaindica L.) fruits are generally classified based on peel color into green, yellow, and red types. Mango peel turns from green to yellow or red or retain green colors during ripening. The carotenoids and anthocyanins are the important pigments responsible for the colors of fruits. In the present study, peels of different colored cultivars at three ripening stages were characterized for pigments, colors, and gene expression analysis. The yellow colored cultivar "Arka Anmol" showed higher carotenoid content, wherein β-carotene followed by violaxanthin were the major carotenoid compounds that increased during ripening...
June 22, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28642747/propionibacterium-freudenreichii-surface-protein-slpb-is-involved-in-adhesion-to-intestinal-ht-29-cells
#3
Fillipe L R do Carmo, Houem Rabah, Song Huang, Floriane Gaucher, Martine Deplanche, Stéphanie Dutertre, Julien Jardin, Yves Le Loir, Vasco Azevedo, Gwénaël Jan
Propionibacterium freudenreichii is a beneficial bacterium traditionally used as a cheese ripening starter and more recently for its probiotic abilities based on the release of beneficial metabolites. In addition to these metabolites (short-chain fatty acids, vitamins, and bifidogenic factor), P. freudenreichii revealed an immunomodulatory effect confirmed in vivo by the ability to protect mice from induced acute colitis. This effect is, however, highly strain-dependent. Local action of metabolites and of immunomodulatory molecules is favored by the ability of probiotics to adhere to the host cells...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28641812/continuum-based-models-and-concepts-for-the-transport-of-nanoparticles-in-saturated-porous-media-a-state-of-the-science-review
#4
REVIEW
Peyman Babakhani, Jonathan Bridge, Ruey-An Doong, Tanapon Phenrat
Environmental applications of nanoparticles (NP) increasingly result in widespread NP distribution within porous media where they are subject to various concurrent transport mechanisms including irreversible deposition, attachment/detachment (equilibrium or kinetic), agglomeration, physical straining, site-blocking, ripening, and size exclusion. Fundamental research in NP transport is typically conducted at small scale, and theoretical mechanistic modeling of particle transport in porous media faces challenges when considering the simultaneous effects of transport mechanisms...
June 7, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28634482/whole-plant-temperature-manipulation-affects-flavonoid-metabolism-and-the-transcriptome-of-grapevine-berries
#5
Chiara Pastore, Silvia Dal Santo, Sara Zenoni, Nushin Movahed, Gianluca Allegro, Gabriele Valentini, Ilaria Filippetti, Giovanni Battista Tornielli
Among environmental factors, temperature is the one that poses serious threats to viticulture in the present and future scenarios of global climate change. In this work, we evaluated the effects on berry ripening of two thermal regimes, imposed from veraison to harvest. Potted vines were grown in two air-conditioned greenhouses with High Temperature (HT) and Low Temperature (LT) regimes characterized by 26 and 21°C as average and 42 and 35°C as maximum air daily temperature, respectively. We conducted analyses of the main berry compositional parameters, berry skin flavonoids and berry skin transcriptome on HT and LT berries sampled during ripening...
2017: Frontiers in Plant Science
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
#6
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/28628628/transcriptional-mechanisms-associated-with-seed-dormancy-and-dormancy-loss-in-the-gibberellin-insensitive-sly1-2-mutant-of-arabidopsis-thaliana
#7
Sven K Nelson, Camille M Steber
While widespread transcriptome changes were previously observed with seed dormancy loss, this study specifically characterized transcriptional changes associated with the increased seed dormancy and dormancy loss of the gibberellin (GA) hormone-insensitive sleepy1-2 (sly1-2) mutant. The SLY1 gene encodes the F-box subunit of an SCF E3 ubiquitin ligase needed for GA-triggered proteolysis of DELLA repressors of seed germination. DELLA overaccumulation in sly1-2 seeds leads to increased dormancy that can be rescued without DELLA protein destruction either by overexpression of the GA receptor, GA-INSENSITIVE DWARF1b (GID1b-OE) (74% germination) or by extended dry after-ripening (11 months, 51% germination)...
2017: PloS One
https://www.readbyqxmd.com/read/28624988/mifepristone-vs-balloon-catheter-for-labor-induction-in-previous-cesarean-a-randomized-controlled-trial
#8
Chanderdeep Sharma, Anjali Soni, Amit Gupta, Ashok Verma, Suresh Verma
OBJECTIVE: To compare oral mifepristone (400 mg) with trans-cervical balloon catheter for induction of labor (IOL) in post date women with previous one cesarean section (CS). METHODS: In this randomized trial, post date pregnant women (gestation 40 weeks 5 days), with previous one low segment CS (no previous vaginal delivery) were induced either with oral mifepristone (400 mg) or balloon catheter [Foley's catheter (16 Fr); bulb filled with 30 ml normal saline]...
June 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28624283/effect-of-pasture-versus-indoor-feeding-systems-on-quality-characteristics-nutritional-composition-and-sensory-and-volatile-properties-of-full-fat-cheddar-cheese
#9
Tom F O'Callaghan, David T Mannion, Deirdre Hennessy, Stephen McAuliffe, Maurice G O'Sullivan, Natasha Leeuwendaal, Tom P Beresford, Pat Dillon, Kieran N Kilcawley, Jeremiah J Sheehan, R Paul Ross, Catherine Stanton
The purpose of this study was to investigate the effects of pasture-based versus indoor total mixed ration (TMR) feeding systems on the chemical composition, quality characteristics, and sensory properties of full fat Cheddar cheeses. Fifty-four multiparous and primiparous Friesian cows were divided into 3 groups (n = 18) for an entire lactation. Group 1 was housed indoors and fed a TMR diet of grass silage, maize silage, and concentrates; group 2 was maintained outdoors on perennial ryegrass only pasture (GRS); and group 3 was maintained outdoors on perennial ryegrass/white clover pasture (CLV)...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28618374/proteomic-profiling-of-german-dornfelder-grape-berries-using-data-independent-acquisition
#10
Matthias Riebel, Petra Fronk, Ute Distler, Stefan Tenzer, Heinz Decker
Grapevine is one of the most important fruit plants throughout the world. Sequencing of the grape genome in 2007 enabled in-depth analyses of the grape proteome. Whereas many studies addressed changes in proteomic composition of grapes during ripening, we focused on the proteome of mature grape berries from Dornfelder, a characteristic red wine grape for Germany. Current data-independent acquisition proteomics technology enables the analysis of proteomic compositions in a degree of accuracy that was unreachable only a few years ago...
June 7, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28618373/structural-changes-in-cell-wall-pectins-during-strawberry-fruit-development
#11
Candelas Paniagua, Nieves Santiago-Doménech, Andrew R Kirby, A Patrick Gunning, Victor J Morris, Miguel A Quesada, Antonio J Matas, José A Mercado
Strawberry (Fragaria × anannasa Duch.) is one of the most important soft fruit. Rapid loss of firmness occurs during the ripening process, resulting in a short shelf life and high economic losses. To get insight into the role of pectin matrix in the softening process, cell walls from strawberry fruit at two developmental stages, unripe-green and ripe-red, were extracted and sequentially fractionated with different solvents to obtain fractions enriched in a specific component. The yield of cell wall material as well as the per fresh weight contents of the different fractions decreased in ripe fruit...
June 2, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28615718/genome-wide-analyses-of-sweet-family-proteins-reveal-involvement-in-fruit-development-and-abiotic-biotic-stress-responses-in-banana
#12
Hongxia Miao, Peiguang Sun, Qing Liu, Yulu Miao, Juhua Liu, Kaixing Zhang, Wei Hu, Jianbin Zhang, Jingyi Wang, Zhuo Wang, Caihong Jia, Biyu Xu, Zhiqiang Jin
Sugars Will Eventually be Exported Transporters (SWEET) are a novel type of sugar transporter that plays crucial roles in multiple biological processes. From banana, for the first time, 25 SWEET genes which could be classified into four subfamilies were identified. Majority of MaSWEETs in each subfamily shared similar gene structures and conserved motifs. Comprehensive transcriptomic analysis of two banana genotypes revealed differential expression patterns of MaSWEETs in different tissues, at various stages of fruit development and ripening, and in response to abiotic and biotic stresses...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615681/genome-wide-analysis-of-banana-mads-box-family-closely-related-to-fruit-development-and-ripening
#13
Juhua Liu, Jing Zhang, Jianbin Zhang, Hongxia Miao, Jingyi Wang, Pengzhao Gao, Wei Hu, Caihong Jia, Zhuo Wang, Biyu Xu, Zhiqiang Jin
Proteins encoded by MADS-box genes are important transcription factors involved in the regulation of flowering plant growth and development. Currently, no systematic information exists regarding the MADS-box family in the important tropical fruit banana. Ninety-six MADS-box genes were identified from the banana (Pahang) A genome. Phylogenetic analysis indicated that Musa acuminata MCM1-AGAMOUS- DEFICIENS-SRF (MaMADS) could be divided into MIKC(c), MIKC*, Mα/β and Mγ groups. MIKC(c) could be further divided into 11 subfamilies, which was further supported by conserved motif and gene structure analyses...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615062/metabolic-and-transcriptional-elucidation-of-the-carotenoid-biosynthesis-pathway-in-peel-and-flesh-tissue-of-loquat-fruit-during-on-tree-development
#14
Margarita Hadjipieri, Egli C Georgiadou, Alicia Marin, Huertas M Diaz-Mula, Vlasios Goulas, Vasileios Fotopoulos, Francisco A Tomás-Barberán, George A Manganaris
BACKGROUND: Carotenoids are the main colouring substances found in orange-fleshed loquat fruits. The aim of this study was to unravel the carotenoid biosynthetic pathway of loquat fruit (cv. 'Obusa') in peel and flesh tissue during distinct on-tree developmental stages through a targeted analytical and molecular approach. RESULTS: Substantial changes regarding colour parameters, both between peel and flesh and among the different developmental stages, were monitored, concomitant with a significant increment in carotenoid content...
June 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28613901/characterization-of-phenolic-compounds-from-early-and-late-ripening-sweet-cherries-and-their-antioxidant-and-antifungal-activities
#15
Meng Wang, Nan Jiang, Yao Wang, Dongmei Jiang, Xiaoyuan Feng
Early and late ripening sweet cherries were characterized for phenolic acids, and also their antioxidant capacity and potential antifungal effects were investigated. Free, conjugated and bound phenolics were identified and quantified using UPLC-MS/MS. Our results indicated that the early ripening cultivars contained higher free phenolic, which positive related to remarkable antioxidant properties and the inhibition effects on A. alternata and tenuazonic acid (TeA) accumulation. However, conjugated phenolics of the late ripening cultivars, mainly including caffeic, 2, 3, 4-trihydroxybenzoic, p-coumaric and pyrocatechuic acids, achieved the highest antifungal effects, and almost completely inhibited the A...
June 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28611816/environmental-influences-on-the-growing-season-duration-and-ripening-of-diverse-miscanthus-germplasm-grown-in-six-countries
#16
Christopher Nunn, Astley Francis St John Hastings, Olena Kalinina, Mensure Özgüven, Heinrich Schüle, Ivan G Tarakanov, Tim Van Der Weijde, Aleksander A Anisimov, Yasir Iqbal, Andreas Kiesel, Nikolay F Khokhlov, Jon P McCalmont, Heike Meyer, Michal Mos, Kai-Uwe Schwarz, Luisa M Trindade, Iris Lewandowski, John C Clifton-Brown
The development of models to predict yield potential and quality of a Miscanthus crop must consider climatic limitations and the duration of growing season. As a biomass crop, yield and quality are impacted by the timing of plant developmental transitions such as flowering and senescence. Growth models are available for the commercially grown clone Miscanthus x giganteus (Mxg), but breeding programs have been working to expand the germplasm available, including development of interspecies hybrids. The aim of this study was to assess the performance of diverse germplasm beyond the range of environments considered suitable for a Miscanthus crop to be grown...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28611805/transcriptomic-analysis-in-strawberry-fruits-reveals-active-auxin-biosynthesis-and-signaling-in-the-ripe-receptacle
#17
Elizabeth Estrada-Johnson, Fabiana Csukasi, Carmen M Pizarro, José G Vallarino, Yulia Kiryakova, Amalia Vioque, Javier Brumos, Nieves Medina-Escobar, Miguel A Botella, José M Alonso, Alisdair R Fernie, José F Sánchez-Sevilla, Sonia Osorio, Victoriano Valpuesta
The role of auxin in ripening strawberry (Fragaria ×ananassa) fruits has been restricted to the early stages of development where the growth of the receptacle is dependent on the delivery of auxin from the achenes. At later stages, during enlargement of the receptacle, other hormones have been demonstrated to participate to different degrees, from the general involvement of gibberellins and abscisic acid to the more specific of ethylene. Here we report the involvement of auxin at the late stages of receptacle ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28604689/pyrazinamide-and-derivatives-block-ethylene-biosynthesis-by-inhibiting-acc-oxidase
#18
Xiangzhong Sun, Yaxin Li, Wenrong He, Chenggong Ji, Peixue Xia, Yichuan Wang, Shuo Du, Hongjiang Li, Natasha Raikhel, Junyu Xiao, Hongwei Guo
Ethylene is an important phytohormone that promotes the ripening of fruits and senescence of flowers thereby reducing their shelf lives. Specific ethylene biosynthesis inhibitors would help to decrease postharvest loss. Here, we identify pyrazinamide (PZA), a clinical drug used to treat tuberculosis, as an inhibitor of ethylene biosynthesis in Arabidopsis thaliana, using a chemical genetics approach. PZA is converted to pyrazinecarboxylic acid (POA) in plant cells, suppressing the activity of 1-aminocyclopropane-1-carboxylic acid oxidase (ACO), the enzyme catalysing the final step of ethylene formation...
June 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/28602091/assessing-spatial-variability-of-grape-skin-flavonoids-at-the-vineyard-scale-based-on-plant-water-status-mapping
#19
Luca Brillante, Johann Martinez-Luscher, Runze Yu, Cassandra M Plank, Luis A Sanchez, Terrence Bates, Charles Brenneman, A Oberholster, Sahap Kaan Kurtural
Plant water stress affects grape (Vitis vinifera L. cv. Cabernet Sauvignon) berry composition and is variable in space due to variations in the physical environment at the growing site. We monitored the natural variability of grapevine water stress by stem water potential (ψstem) and leaf gas exchange in an equi-distant grid in a commercial vineyard. Spatial differences were measured and related to topographical variation by modeling. Geospatial analysis and clustering allowed to differentiate the vineyard block into two distinct zones having severe and moderate water stress where it varied by 0...
June 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28600315/rna-based-amplicon-sequencing-highlights-the-impact-of-the-processing-technology-on-microbiota-composition-of-artisanal-and-industrial-pdo-lard-d-arnad
#20
Ilario Ferrocino, Alberto Bellio, Angelo Romano, Guerrino Macori, Kalliopi Rantsiou, Lucia Decastelli, Luca Cocolin
"Valle d'Aosta Lard d'Arnad" is a protected designation of origin (PDO) product produced from fat of the shoulder and back of heavy pigs. Its manufacturing process can be very diverse, especially regarding the maturation temperature and the NaCl concentrationused for the brine, thereby the main goal of this study was to investigate the impact of those parameters on the microbiota developed during curing and ripening. Three farms producing Lard d'Arnad were selected. Two plants, reflecting the industrial process characterized either by low maturation temperature (plant A [10% NaCl; 2°C]) or by using a low NaCl concentrations (plant B [2...
June 9, 2017: Applied and Environmental Microbiology
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