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https://www.readbyqxmd.com/read/28214242/injury-and-recovery-of-escherichia-coli-atcc25922-cells-treated-by-high-hydrostatic-pressure-at-400-600%C3%A2-mpa
#1
Keitarou Kimura, Kazuya Morimatsu, Takashi Inaoka, Kazutaka Yamamoto
Escherichia coli cells were inactivated by high hydrostatic pressure (HHP) at 400-600 MPa and their recovery under various conditions was evaluated by colony counting and flow cytometer (FCM) analyses. The lag time in colony formation and an improved recovery of cells under less oxidative conditions (pyruvate addition to the medium and incubation in anaerobic conditions) were observed for HHP treated cells, which indicated that a significant portion of cells were injured and recovered during incubation after HHP treatment...
February 14, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28213880/detection-of-digestive-malignancies-and-post-gastrectomy-complications-via-gastrointestinal-fluid-examination
#2
REVIEW
Lei Huang, Aman Xu
To date, gastric carcinoma (GC) is one of the common and fatal digestive malignancies worldwide. The prognosis of GC is not always satisfactory because of late diagnosis. Scholars are keen on discovering novel accurate and economical biomarkers in body liquids for GC screening to detect and evaluate the lesion before the results of imaging techniques are obtained. While traditional serum assays have limited sensitivity and specificity, gastrointestinal juice may provide relevant specific biomarkers because of its close contact with the tumor...
February 17, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28213319/continuous-ohmic-heating-of-commercially-processed-apple-juice-using-five-sequential-electric-fields-results-in-rapid-inactivation-of-alicyclobacillus-acidoterrestris-spores
#3
N H Kim, J H Ryang, B S Lee, C T Kim, M S Rhee
Spores of Alicyclobacillus acidoterrestris, a spoilage bacterium, cause problems for the apple juice industry because they are resistant to thermal treatment. Here, we examined the sporicidal effect of an ohmic heating (OH) system with five sequential electric fields and compared it with that of conventional heating. Apple juice product (50kg) inoculated with A. acidoterrestris spores were subjected to OH (electric field strength=26.7V/cm; frequency=25kHz) at 85-100°C for 30-90s. The effect of conventional heating was also examined under these conditions...
January 27, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28213265/magnetic-mixed-hemimicelles-dispersive-solid-phase-extraction-based-on-ionic-liquid-coated-attapulgite-polyaniline-polypyrrole-fe3o4-nanocomposites-for-determination-of-acaricides-in-fruit-juice-prior-to-high-performance-liquid-chromatography-diode-array-detection
#4
Xiaoling Yang, Kexin Qiao, Fang Liu, Xiaoling Wu, Miyi Yang, Jing Li, Haixiang Gao, Sanbing Zhang, Wenfeng Zhou, Runhua Lu
In this research, a novel method using magnetic mixed hemimicelles dispersive solid-phase extraction (MMHDSPE) based on C16mimBr-coated attapulgite/polyaniline-polypyrrole/Fe3O4 (ATP/PANI-PPY/Fe3O4) nanocomposites were investigated for enrichment and separation of three acaricides in fruit juice. In this method, we combined the simplicity and speed of dispersive solid-phase extraction, the advantages of mixed hemimicelles and the facility of the phase separation of the magnetic nanoparticles to develop a simple, rapid, sensitive, and effective method for detecting target analytes from the juice samples...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213232/analysis-of-flavors-and-fragrances-by-hplc-with-fe3o4-go-magnetic-nanocomposite-as-the-adsorbent
#5
Rui Xiao, Xiaoting Zhang, Xiaona Zhang, Jiahua Niu, Minghua Lu, Xiuhua Liu, Zongwei Cai
In this article, a method for the analysis of flavors and fragrances including ethyl vanillin, trans-cinnamic acid, methyl cinnamate, ethyl cinnamate, and benzyl cinnamate in foods by HPLC with Fe3O4@GO nanocomposite as the adsorbent of magnetic solid-phase extraction was developed. The magnetic Fe3O4@GO nanocomposite was prepared and characterized by transmission electron microscope, infrared spectroscopy, X-ray diffraction and vibrating sample magnetometer. The as-prepared Fe3O4@GO nanocomposite was used as adsorbent for extraction and preconcentration of flavors and fragrances in foods...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213037/incidence-of-osmophilic-yeasts-and-zygosaccharomyces-rouxii-during-the-production-of-concentrate-grape-juices
#6
M C Rojo, C Torres Palazzolo, R Cuello, M González, F Guevara, M L Ponsone, L A Mercado, C Martínez, M Combina
Zygosaccharomyces rouxii is the main spoilage yeast of grape juice concentrates. Detection and identification of Z. rouxii during the production of grape juice concentrate is critical to prevent spoilage in the final product. In this work, three grape juice concentrate processing plants were assessed by identifying osmophilic yeasts in juices and surfaces during different stages of a complete production line. Subsequently, molecular typing of Z. rouxii isolates was done to determine the strain distribution of this spoilage yeast...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28208806/orange-pomace-improves-postprandial-glycemic-responses-an-acute-randomized-placebo-controlled-double-blind-crossover-trial-in-overweight-men
#7
C-Y Oliver Chen, Helen Rasmussen, Alison Kamil, Peng Du, Jeffrey B Blumberg
Orange pomace (OP), a fiber-rich byproduct of juice production, has the potential for being formulated into a variety of food products. We hypothesized that OP would diminish postprandial glycemic responses to a high carbohydrate/fat breakfast and lunch. We conducted an acute, randomized, placebo-controlled, double blind, crossover trial with 34 overweight men who consumed either a 255 g placebo (PLA), a low (35% OP (LOP)), or a high (77% (HOP)) dose OP beverage with breakfast. Blood was collected at 0, 10, 20, 30, and 45 min and at 1, 1...
February 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28208713/effects-of-an-encapsulated-fruit-and-vegetable-juice-concentrate-on-obesity-induced-systemic-inflammation-a-randomised-controlled-trial
#8
Evan J Williams, Katherine J Baines, Bronwyn S Berthon, Lisa G Wood
Phytochemicals from fruit and vegetables reduce systemic inflammation. This study examined the effects of an encapsulated fruit and vegetable (F&V) juice concentrate on systemic inflammation and other risk factors for chronic disease in overweight and obese adults. A double-blinded, parallel, randomized placebo-controlled trial was conducted in 56 adults aged ≥40 years with a body mass index (BMI) ≥28 kg/m². Before and after eight weeks daily treatment with six capsules of F&V juice concentrate or placebo, peripheral blood gene expression (microarray, quantitative polymerase chain reaction (qPCR)), plasma tumour necrosis factor (TNF)α (enzyme-linked immunosorbent assay (ELISA)), body composition (Dual-energy X-ray absorptiometry (DEXA)) and lipid profiles were assessed...
February 8, 2017: Nutrients
https://www.readbyqxmd.com/read/28208254/electrochemical-detection-of-escherichia-coli-from-aqueous-samples-using-engineered-phages
#9
Danhui Wang, Juhong Chen, Sam R Nugen
In this study, an enzyme-based electrochemical method was developed for the detection of Escherichia coli (E. coli) using the T7 bacteriophages engineered with lacZ operon encoding for beta-galactosidase (β-gal). The T7lacZ phages can infect E. coli, and have the ability to trigger the overexpression of β-gal during the infection of E. coli. The use of the engineered phages resulted in a more sensitive detection of E. coli by (1) overexpression of β-gal in E. coli during the specific infection and (2) release of the endogenous intracellular β-gal from E...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207766/climate-change-across-seasons-experiment-ccase-a-new-method-for-simulating-future-climate-in-seasonally-snow-covered-ecosystems
#10
Pamela H Templer, Andrew B Reinmann, Rebecca Sanders-DeMott, Patrick O Sorensen, Stephanie M Juice, Francis Bowles, Laura E Sofen, Jamie L Harrison, Ian Halm, Lindsey Rustad, Mary E Martin, Nicholas Grant
Climate models project an increase in mean annual air temperatures and a reduction in the depth and duration of winter snowpack for many mid and high latitude and high elevation seasonally snow-covered ecosystems over the next century. The combined effects of these changes in climate will lead to warmer soils in the growing season and increased frequency of soil freeze-thaw cycles (FTCs) in winter due to the loss of a continuous, insulating snowpack. Previous experiments have warmed soils or removed snow via shoveling or with shelters to mimic projected declines in the winter snowpack...
2017: PloS One
https://www.readbyqxmd.com/read/28203456/concurrent-beet-juice-and-carbohydrate-ingestion-influence-on-glucose-tolerance-in-obese-and-nonobese-adults
#11
Joseph W Beals, Scott E Binns, Janelle L Davis, Gregory R Giordano, Anna L Klochak, Hunter L Paris, Melani M Schweder, Garrett L Peltonen, Rebecca L Scalzo, Christopher Bell
Insulin resistance and obesity are characterized by low nitric oxide (NO) bioavailability. Insulin sensitivity is improved with stimulation of NO generating pathways. Consumption of dietary nitrate (NO3(-)) increases NO formation, via NO3(-) reduction to nitrite (NO2(-)) by oral bacteria. We hypothesized that acute dietary nitrate (beet juice) ingestion improves insulin sensitivity in obese but not in nonobese adults. 12 nonobese (body mass index: 26.3 ± 0.8 kg/m(2) (mean ± SE)) and 10 obese adults (34...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28202883/decreased-sugar-concentration-in-vegetable-and-fruit-juices-by-growth-of-functional-lactic-acid-bacteria
#12
Masaki Ishii, Yasuhiko Matsumoto, Satoshi Nishida, Kazuhisa Sekimizu
Leuconostoc carnosum #7-2, L. gelidum #4-2, and L. mesenteroides 8/11-3, which were isolated from fermented plant foods, are lactic acid bacteria. We previously reported that these bacteria are functional lactic acid bacteria whose innate immunity-stimulating activities are high based on a silkworm muscle contraction assay. The concentrations of these three lactic acid bacteria increased to more than 1 × 10(6) colony forming units (cfu)/mL in various vegetable and fruit juices when the pH values were appropriately adjusted...
February 14, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28198498/early-selection-of-sugarcane-using-path-analysis
#13
R P Barbosa, F Alcântara Neto, L M Gravina, G A Gravina, M G T Portela, A A C Bezerra
The aim of this study was to analyze sugarcane (Saccharum officinarum) biometric and technological data, obtained at different timepoints, using path analysis. The experiment was conducted in União, PI, Brazil, and evaluated 12 sugarcane genotypes (RB036066, RB9438, RB935744, RB021764, RB021754, RB021534, RB966229, RB977540, RB863129, and RB987935, and the varieties RB92579 and RB867515 as controls) in a randomized block design with four replications. Data were collected at six timepoints that were spaced 30 days apart (90, 120, 150, 180, 210, and 240 days)...
February 8, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28198489/negative-effects-of-divalent-mineral-cations-on-the-bioaccessibility-of-carotenoids-from-plant-food-matrices-and-related-physical-properties-of-gastro-intestinal-fluids
#14
Joana Corte-Real, Marie Bertucci, Christos Soukoulis, Charles Desmarchelier, Patrick Borel, Elke Richling, Lucien Hoffmann, Torsten Bohn
Carotenoid intake and tissue levels have been frequently associated with reduced risk of chronic diseases. However, their bioavailability is low and influenced by many dietary related parameters. Divalent mineral cations have been suggested to interfere with carotenoid digestion and to hamper micellarization, a prerequisite for their uptake, via complexation of bile salts and precipitation of fatty acids. In the present investigation, we have evaluated the effects of increasing concentrations of magnesium (0-300 mg L(-1)), calcium (0-1500 mg L(-1)), zinc (0-200 mg L(-1)), and sodium (0-1500 mg L(-1); control monovalent cation), on carotenoid bioaccessibility from frequently consumed food items rich in carotenoids (tomato juice, carrot juice, apricot nectar, spinach and field salad), following simulated gastro-intestinal digestion...
February 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28198187/synthesis-of-new-sulfated-and-glucuronated-metabolites-of-dietary-phenolic-compounds-identified-in-human-biological-samples
#15
A Filipa Almeida, Claudia Nunes Santos, M Rita Ventura
(Poly)phenols are a large group of dietary compounds present in fruits and vegetables and for which its consumption is associated with health beneficial effects. After ingestion (poly)phenols suffer extensive metabolisation and the identification of their metabolites is an emerging area, since these metabolites are considered the effective bioactive molecules in human organism. However, a lack of commercially available standards has hampered the study of metabolite bioactivity and the structural exact confirmation in biological samples...
February 15, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28197590/rats-urinary-metabolomes-reveal-the-potential-roles-of-functional-foods-and-exercise-in-obesity-management
#16
Mohamed A Farag, N M Ammar, T E Kholeif, N S Metwally, N M El-Sheikh, Ludger A Wessjohann, A Z Abdel-Hamid
The complexity of the metabolic changes in obese individuals still presents a challenge for the understanding of obesity-related metabolic disruptions and for obesity management. In this study, a gas chromatography mass spectrometry (GC-MS) based metabolomics approach targeting urine metabolism has been applied to assess the potential roles of functional foods and exercise for obesity management in rats. Male albino rats diagnosed as obese via histopathology and biochemical assays were administered functional foods in common use for obesity management including pomegranate, grapefruit, and red cabbage juice extracts in parallel with swimming exercise...
February 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28196026/caffeine-inhibits-fluid-secretion-by-interlobular-ducts-from-guinea-pig-pancreas
#17
Yuka Mochimaru, Akiko Yamamoto, Miyuki Nakakuki, Makoto Yamaguchi, Ituka Taniguchi, Hiroshi Ishiguro
OBJECTIVES: Caffeine is contained in coffee, tea, and a lot of beverages and foods. We examined the direct effects of caffeine on the physiological function of pancreatic duct cells by using interlobular duct segments isolated from guinea pig pancreas. METHODS: The rate of fluid secretion was continuously measured by monitoring the luminal volume of isolated duct segments. Changes in intracellular Ca concentration ([Ca]i) were estimated by microfluorometry in ducts loaded with fura-2...
February 14, 2017: Pancreas
https://www.readbyqxmd.com/read/28195339/effect-of-high-voltage-atmospheric-cold-plasma-on-white-grape-juice-quality
#18
S K Pankaj, Zifan Wan, William Colonna, Kevin M Keener
BACKGROUND: This study focusses on the effects of novel, non-thermal high voltage atmospheric cold plasma (HVACP) processing on the quality of grape juice. A quality based comparison of cold plasma treatment of white grape juice was done with thermal pasteurization treatment. RESULTS: HVACP treatment of grape juice at 80 kV for 4 min resulted in 7.4 log10 cfu/mL reduction of S. cerevisiae without any significant (p > 0.05) change in pH, acidity and electrical conductivity of the juice...
February 13, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28194046/morinda-citrifolia-noni-fruit-juice-reduces-inflammatory-cytokines-expression-and-contributes-to-the-maintenance-of-intestinal-mucosal-integrity-in-dss-experimental-colitis
#19
Beatriz Coutinho de Sousa, Juliana Reis Machado, Marcos Vinicius da Silva, Thiago Alvares da Costa, Javier Emilio Lazo-Chica, Thatiane do Prado Degasperi, Virmondes Rodrigues Junior, Helioswilton Sales-Campos, Elizabeth Uber Bucek, Carlo José Freire Oliveira
Morinda citrifolia L. (noni) has been shown to treat different disorders. However, data concerning its role in the treatment of intestinal inflammation still require clarification. In the current study, we investigated the effects of noni fruit juice (NFJ) in the treatment of C57BL/6 mice, which were continuously exposed to dextran sulfate sodium (DSS) for 9 consecutive days. NFJ consumption had no impact on the reduction of the clinical signs of the disease or on weight loss. Nonetheless, when a dilution of 1 : 10 was used, the intestinal architecture of the mice was preserved, accompanied by a reduction in the inflammatory infiltrate...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28193418/determination-of-the-total-cadmium-copper-lead-and-zinc-concentrations-and-their-labile-species-fraction-in-apple-beverages-by-flow-through-anodic-stripping-chronopotentiometry
#20
Dominika Jedryczko, Paweł Pohl, Maja Welna
An analytical procedure for operationally defined speciation of Cd, Cu, Pb and Zn in apple beverages by anodic stripping chronopotentiometry (ASCP) is presented. Optimal measurement conditions were set down to reliably determine the fraction of the labile metals species. The mean total concentrations of Cu, Pb and Zn were 69±20, 7.3±3.3, and 129±59μgL(-1) in apple juices, and 18±3, 4.2±0.1, 53±5μgL(-1) in apple drinks, respectively. The contributions of the fraction of the ASCP-labile species varied from 43 to 63% (Cu), from 32 to 42% (Pb) and from 38 to 58% (Zn)...
June 15, 2017: Food Chemistry
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