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Relationship between Proton NMR Relaxation Time and Viscosity of Saccharide Solutions
proton relaxation time saccharide 1H-NMR
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2009/7/8
Proton relaxation was measured in 1H-NMR for saccharide solutions. The proton relaxation curve for saccharide solutions was almost mono-exponential and spin-lattice (T1) and spin-spin relaxation (T2) ...
Dynamic Light Scattering Analysis on Critical Behavior of Cluster Size Distribution of Polyacrylamide and Agarose Solutions near the Sol-Gel Transition Point
agarose percolation dynamic light scattering
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2009/7/8
The dynamic light scattering (DLS) method was applied to measure the cluster radii of polyacrylamide and agarose solutions near the sol-gel transition point. In the case of polyacrylamide, primary clu...
Temperature Dependence of Fraction of Frozen Water in Solutions of Glucose and its Oligomers, Dextrans, and Potato Starch
initial freezing point freezable water fraction bound water
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2009/5/20
Initial freezing point and freezable water fraction, as the two parameters to determine the temperature dependence of fraction of frozen water, were measured systematically for solutions of glucose, i...
Analysis of Intermolecular Interaction among Pectin Molecules in Aqueous Sugar Solutions
pectin viscosity activation energy hydrogen bonding
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2009/5/8
Although the viscosity of aqueous solution of high methoxyl pectin is known to increase drastically when sugars coexist, the detailed mechanism for the increase in viscosity was not fully understood. ...
Rheological Properties of Carboxymethylcellulose and Whey Model Solutions before and after Freezing
rheological properties carboxymethylcelluloses whey proteins freezing
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2009/3/23
Hydrocolloids, macromolecular carbohydrates are added to many foodstuffs with the aim to achieve the appropriate rheological properties, to prevent syneresis or to increase the viscosity and stability...
Biosorption of Chromium, Copper, Nickel and Zinc Ions onto Fungal Pellets of Aspergillus niger 405 from Aqueous Solutions
fungus Aspergillus niger 405 heavy metals biosorption
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2009/3/23
Fungal mycelium pellets of Aspergillus niger 405 were used for adsorption of different metal ions. The biosorption of Cu2+, Zn2+, Ni2+ and CrO42- was studied over a range of metal ion concentrations, ...
Effects of Dipping Solutions on Air-Drying Rates of the Seedless Grapes
Seedless grapes pretreatment solution drying
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2010/2/3
Preserving of food by drying, has been became an important subject in food industry. Turkey has a high potential at fruit production. Grape has an economically important role in Turkey's export. The e...
An Investigation on Factors Affecting Recovery of Antioxidant Phenolics and Anthocyanins from Red Grape (Vitis vinifera L.) Pomace Employing Water/Ethanol-Based Solutions
Pomace Employing Water/Ethanol-Based Solutions
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2008/11/27
Extractions were performed using non-toxic media composed of water/ethanol mixtures and hydrochloric, acetic or tartaric acid. Recovery efficiency was assessed by monitoring the antiradical activity (...
Stability of Pelargonidin 3-glucoside in Model Solutions in the Presence and Absence of Flavanols
Model Solutions Presence
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2008/11/26
The stability of pelargonidin 3-glucoside (Pg3gluc), the main anthocyanin in strawberry, has been studied in model citrate solutions (pH 3.5, 251C) in the absence and presence flavanols (catechin and ...
Structure and Chemical Characteristics of Dehydro-L-Ascorbic Acid in Solutions
L-ascorbic acid dehydro-L-ascorbic acid NMR MOPAC
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2010/11/23
L-Ascorbic acid (ASA) plays an important role in food and biological systems as an electron donor, and in the electron-donating process, ASA itself is generally oxidized to dehydro-L-ascorbic acid (DH...