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Preparation of casein using carbon dioxide.
- P. Tomasula, J. C. Craig, R. Boswell, R. Cook, M. Kurantz, M. Maxwell
- Chemistry, Medicine
- Journal of dairy science
- 1 March 1995
The effects of pressure, temperature, residence time, and mass of skim milk on some characteristics of casein, prepared by precipitation with high pressure CO2, were examined in a batch reactor. For… Expand
Solubility Solvation, and Stabilization of αs1 - and β-Caseins
Abstract α s1 -Casein has been observed to differ from α s1 -B by its solubility in CaCl 2 solutions at 1 and 37C, and by its stabilization profile in the presence of κ-casein and calcium ions. The… Expand
A continuous process for casein production using high-pressure carbon dioxide☆
A continuous process for protein production that uses high-pressure carbon dioxide (CO2) instead of organic acids as precipitant has been used to isolate casein from milk. Central to the process is a… Expand
Measurement of the solubility of carbon dioxide in milk at high pressures
Abstract The solubility of CO 2 in milk was studied at temperatures of 25, 38 and 50°C and at pressures up to 6.9 MPa using a static method with an accuracy of 5%. These data are important for the… Expand
Synthesis and characterization of enantiomers of 5- and 6-methyloctanoic acids
Abstract Enantiomers of 5- and 6-methyloctanoic acids were synthesized in high configurational purity from 1,4-butanediol and 1,5-pentanediol, respectively. Each diol was alkylated with… Expand
Casein-Pellet-Solvation and Heat Stability of Individual Cow's Milk
Abstract A linear relationship (r=.89) was found between casein-pellet-solvation and heat stability at 135C for individual cow milks. Casein-pellet-solvation was determined by centrifugation of whole… Expand
Phosphate Uptake by Excised Maize Root Tips Studied by in VivoP Nuclear Magnetic Resonance Spectroscopy.
The extent of phosphate uptake measured by the relative changes in cytoplasmic Pi, vacuolar Pi, ATP, glucose-6-phosphate, and UDPG was determined using in vivo(31)P nuclear magnetic resonance… Expand
In VivoP NMR Spectroscopic Studies of Soybean Bradyrhizobium Symbiosis: I. Optimization of Parameters.
(31)P NMR spectroscopy was used to study in vivo the symbiotic state established between soybean (Glycine max [L.] Merr. cv Williams) and Bradyrhizobium japonicum (USDA 110 and 138). Different… Expand
Supercritical-fluid extraction of fungal lipids: Effect of cosolvent on mass-transfer rates and process design and economics
Abstract The extraction of fungal lipids by supercritical CO 2 and CO 2 with 10 wt % ethanol was studied. The lipid solubility was measured from 40–60 °C and 200–700 bar, and was found to increase… Expand
In vivo 31P NMR spectroscopic studies of soybean Bradyrhizobium symbiosis Compartmentation and distribution of P metabolites
In vivo 31P NMR spectroscopy was used to study the distribution of P metabolites and compartmentation in soybean nodules. By careful separation of the cortex, central matrix and bacteroids, we were… Expand