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Viscoelastic Properties of Oil-Water Interfaces Covered by Bovine ß-Casein Tryptic Peptides
oil-in-water emulsion casein hydrolysis bovine milk viscoelasticity
2008/6/17
A combination of proteolysis and dilational rheology has been used to study the behavior of films of ß-casein (ß-CN) and of peptides spread at the oil-water interface. Identification of th...
Use of Chemical Mutagenesis for the Isolation of Food Grade ß-Galactosidase Overproducing Mutants of Bifidobacteria,Lactobacilli and Streptococcus thermophilus
probiotics ß beta -galactosidase mutagenesis
2008/4/1
A classical chemical mutagenesis protocol was evaluated for increasing ß-galactosidase production by probiotic bacteria to improve their potential to treat symptoms of lactose malabsorption in h...
Cholesterol Removal from Homogenized Milk with ß-Cyclodextrin
cholesterol removal ß beta -cyclodextrin homogenized milk
2008/3/31
This study was carried out to determine optimum conditions of five different factors (ß-cyclodextrin concentration, mixing temperature, mixing time, centrifugal force, and centrifugation time) i...
Binding of Lipophilic Nutrients to ß-Lactoglobulin Prepared by Bioselective Adsorption
binding lipophilic nutrients ß beta -lactoglobulin bioselective adsorption
2008/3/28
The binding of the lipophilic nutrients, retinal, vitamin D2, and retinyl palmitate by ß-lactoglobulin was measured by analysis of changes in the fluorescence of the tryptophanyl residue of &szl...
Preparation of Phosphopeptides Derived from s-Casein and ß-Casein Using Immobilized Glutamic Acid-Specific Endopeptidase and Characterization of Their Calcium Binding
casein phosphopeptides immobilized enzyme glutamic acid-specific endopeptidase calcium binding
2008/3/28
Phosphopeptides that were derived from s-CN or ß-CN were prepared with immobilized glutamic acid-specific endopeptidase, and their Ca2+ binding was characterized. s-Casein or ß-CN was hydr...
Calcium Binding of Phosphopeptides Derived from Hydrolysis of a s-Casein or ß-Casein Using Immobilized Trypsin
casein immobilized trypsin casein phosphopeptide calcium binding
2008/3/28
Calcium binding to casein phosphopeptides that were derived from s-CN or ß-CN was studied. Purified s-CN or ß-CN was prepared from fresh skim milk using an anion-exchange column. Peptides ...
Effect of Binding of Retinol and Palmitic Acid to Bovine ß-Lactoglobulin on Its Resistance to Thermal Denaturation
ß beta -lactoglobulin palmitic acid retinol thermal denaturation
2008/3/28
Differential scanning calorimetry was used to study the thermal stability of bovine ß-LG as influenced by binding of palmitic acid or retinol. Maximum peak temperature and apparent enthalpy of d...
Protein Concentration Dependence of Palmitate Binding to ß-Lactoglobulin
ß beta -lactoglobulin palmitate palmitate binding
2008/3/28
The binding of palmitate to ß-lactoglobulin at protein concentrations ranging from 1 to 200 µM was determined using an ultrafiltration method with [14C]palmitate. Fit of the data to theore...
Characterization and Partial Purification of Bovine -Lactalbumin and ß-Casein Produced in Milk of Transgenic Mice
bovine -lactalbumin ß beta -casein transgenics
2008/3/28
Bovine -lactalbumin (-LA) and bovine ß-casein (ß-CN), from milk from transgenic mice were characterized and partially purified using electrophoretic, immunoblotting, and chromatographic me...
Characterization by Ionization Mass Spectrometry of Lactosyl ß-Lactoglobulin Conjugates Formed During Heat Treatment of Milk and Whey and Identification of One Lactose-Binding Site
mass spectrometry ß beta -lactoglobulin lactose binding site
2008/3/27
The extent of the early stage of the Maillard-type reaction that impaired functional properties of whey proteins was evaluated by electrospray ionization mass spectrometry. Under conditions of mild he...
Differences in the Hydrolysis of Lactose and Other Substrates by ß-D-Galactosidase from Kluyveromyces lactis
ß beta -D-galactosidase metal effects substrate specificity
2008/3/27
The hydrolysis of o-nitrophenyl galactopyranoside and lactose by ß-D-galactosidase from Kluyveromyces lactis was enhanced by the addition of Mg2+ and Mn2+, but the rates of activation by each me...
The proteolytic activity of plasmin on soluble caprine ßcasein (CN) was studied in 50 mM Tris-HC1 buffer, pH 8.0, at 37°C. Electrophoretic studies showed that hydrolysis of this protein results ...
Monomer Characterization and Studies of Self-Association of the Major ß-Casein of Human Milk
human milk human ß beta -casein protein self-association protein-ion interactions
2008/3/27
The casein form that has four organic phosphoryl groups, ß-casein (CN)-4P, is the major constituent (35%) of the ß-CN fraction of human milk and should play an important role in micelle st...
Binding of Vitamin D and Cholesterol to ß-Lactoglobulin
ß beta -lactoglobulin vitamin D binding cholesterol binding bioselective adsorption
2008/3/27
ß-Lactoglobulin was isolated directly from acidic whey by bioselective adsorption on N-retinyl-CeliteTM, yielding preparations of 96% purity. Interactions of these preparations with vitamin D2, ...
Binding of Retinoids to ß-Lactoglobulin Isolated by Bioselective Adsorption
ß beta -lactoglobulin retinoid binding bio-selective adsorption whey protein isolate
2008/3/27
Binding of the retinoids, all-trans-retinol, all-trans-retinal, all-trans-retinyl acetate, and all-trans-retinoic acid, to ß-lactoglobulin (LG) (96% purity) that had been prepared by bioselectiv...