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Showing 1 to 20 of 22 for “"high hydrostatic pressure"”.
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Impact of high hydrostatic pressure on wheat, tapioca, and potato starches
Der Einfluss von hohem hydrostatischem Druck auf Weizen-, Tapioka- und Kartoffelstärke bei verschiedenen Drücken, Temperaturen und Behandlungszeiten wurden untersucht. Der Verkleisterungsgrad, die elektrische Leitfähigkeit und die Wasserbindekapazität der Stärkesuspensionen erhöhten sich mit …
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The electronic, optical and excitonic effects of high hydrostatic pressure on semiconductors
This thesis describes the results from high pressure experiments on semiconductors, and some theoretical background for those experiments. The primary goal is to better understand the properties of these useful materials through studies of the effect of hydrostatic pressure.
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High Hydrostatic Pressure Processing Reduces Salmonella enterica from Diced and Whole Tomatoes
… the exact routes of contamination are unknown, high pressure processing (HPP) is being evaluated as a post harvest treatment to eliminate Salmonella enterica from tomatoes. The objectives of the study were to determine the potential for of HPP to reduce S. enterica serovars Newport, Javiana, …
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Effects of high hydrostatic pressure on neuromuscular transmission in shallow-living and deep-living crustaceans
The effects of high hydrostatic pressure on excitatory neuromuscular transmission in shallow- and deep-living crustaceans were compared. Pressure caused depression of the amplitude of excitatory junctional potentials (e.j.p.s) at the neuromuscular junction in the shallow-living crab, Libinia …
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Hurdle Technologies Using Essential Oils And High Hydrostatic Pressure To Inactivate E. Coli In Fresh Beef
In this study, potential of high hydrostatic pressure (HHP) and essential oils (EOs) as natural antimicrobials was evaluated to produce E. coli safe and quality beef product. First, the individual and combined effects of antimicrobial activity (minimum inhibitory concentration) of basil, black …
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Effects of high hydrostatic pressure on immunoreactivity, digestibility and intestinal permeability of major peanut and milk allergens
… Menzies with medium kernel size showed the highest protein solubility. No obvious relationship between kernel size and protein solubility had been identified. The difference in protein solubility of roasted kernels was attributed by the genotypes. The effects of roasting time on the …
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Effects of high hydrostatic pressure processing on Bacillus cereus spores in fresh blue crab meat (Callinectes sapidus)
… the effects of a post-processing method i.e. high hydrostatic pressure treatment on the quality of fresh crab meat and to evaluate the effectiveness of high pressures on the inactivation of B. cereus spores. Fresh blue crab meat was pressurized at 300 and 550 MPa at 25° C for 5 min and stored …
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High hydrostatic pressure inactivation of Bacillus subtilis var. niger spores : the influence of the pressure build-up rate on the inactivation
… of the development of commercially applied high pressure processes it is necessary to evaluate the impact of high pressure on the inactivation of bacterial populations. From the results kinetic models should reliably predict inactivation under dynamic conditions. High pressure processes …
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Effects of combined high hydrostatic pressure and dense phase carbon dioxide treatments on inactivation of enzymes, microorganisms and sensory properties of different products
This research studied the effects of combined High Hydrostatic Pressure (HHP) and Dense- Phase Carbon Dioxide (DPCD) treatment on inactivation of fruit enzymes: peroxidase (POD), polyphenoloxidase (PPO) and pectinmethylesterase (PME) of feijoa, inactivation of microorganisms in their growth media …
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The Effects of E-Beam Irradiation, Microwave Energy and High Hydrostatic Pressure on Presence and Health Significance of Cryptosporidium parvum in Eastern Oysters (Crassostrea virginica)
… (e-beam irradiation, microwave energy, and high hydrostatic pressure processing) on the viability of C. parvum oocysts in Eastern oysters. Oysters were artificially infected with the Beltsville strain of C. parvum and subjected to the three treatments in separate experiments. The effects of …
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Role of dry beans (Phaseolus vulgaris L.) in binding bile salts and modulating lipid digestion: Impact of the bean matrix and high-hydrostatic pressure processing
… Major risk factors for developing CVD include high blood lipid and LDL-cholesterol levels. A large number of heart attacks and strokes could be prevented by controlling these factors through lifestyle modifications and diet interventions. Epidemiological evidence shows that consumption of dry …
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Protein changes of various types of milk as affected by high hidrostatic pressure processing (A nagy hidrosztatikus nyomás hatása különböző típusú tejek fehérjéire)
… non-thermal techniques is preserving food by high hydrostatic pressure. The goal of my work was to learn more about the effect of high hydrostatic pressure (HHP) on different types of milk, especially on milk proteins. I used both modern methods of proteomics and spectrofluorometry in the …
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Control Method for Invasive Aquatic Species introduced via Ballast Water: Effects of Carbon Dioxide Supersaturation on Survivorship of Digesia tigrina (Planaria: Maculata) and Lirceus brachyurus (Isopoda: Crustacea) and Effect of High Hydrostatic Pressure Processing on Freely Suspended and Shellfish Associated T7 Bacteriophage
… for various exposure durations, and at various pressure levels. The data collected were graphically analyzed to determine the time necessary to produce mortality in 50% (LT50) of any given sample of specimens tested at a certain pressure level. At 38.6 kPa, 103.4 kPa and 172.4 kPa, the LT50 for …
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Spatial correlation of lipid phase fluctuations in model membranes studied with two-photon fluorescence microscopy
… results with a simple two state approximation. High hydrostatic pressure was used to induce morphological transformation of the GUVs and study the coupling between mechanical stress and phase behavior of the membrane. The ability to visualize the morphological and phase behavior of single GUVs …
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Modeling of Concentrated High Intensity Electric Field (CHIEF) and Its Comparison with Other Non-thermal Liquid Food Pasteurization Technologies
… food with improved nutritional functionalities. High pressure and electric field treatment are two non-thermal food treatment strategies that have been widely studied. Some representatives of non-thermal technologies that utilize high-pressure and electric field to pasteurize food products …
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Estratégias baseadas em reticulação de polímeros para evitar perdas de circulação em poços de petróleo
Drilling operations with high e ciency and control is a topic of utmost interest in the exploration of oil and gas because it is directly linked to aspects of personal, environmental and economic safety. Many procedures should be performed for good control of the well. Among them, it is essential …
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Efficacy of high pressure processing in combination with chemical preservatives for the reduction of Escherichia coli O157:H7 and Salmonella in apple juice and orange juice
The effect of pressure on the log reduction of six strains of E. coli O157:H7 and five serovars of Salmonella enterica were investigated in tryptic soy broth, sterile distilled water and commercially sterile orange and apple juice. Samples were subjected to high hydrostatic pressure (HHP) at 300 …
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The occurrence and behaviour of Pseudoterranova decipiens and Anisakis simplex (Nematoda) in Gadus morhua and their impacts on commercial processing
… processor commissioned this study because the high prevalence of parasitic nematodes in their cod fillets meant they were unable to meet the standards demanded by their retailer. The aims were to determine which species of nematode were present, and whether the detection or mortality rates …
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Phenotypic Switching of Bacterial Cells in Extreme Environments
… environmental conditions, including extremes of pressure, temperature, salinity, pH, and a combination of them. For example, all the marine biomass thrive at high hydrostatic pressure depending on depth. The temperature in the ocean can be very high near the hydrothermal vents and salinity and pH …
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