News Column

New Phosphoproteins Findings from S. Svanborg and Co-Researchers Reported

May 29, 2014

By a News Reporter-Staff News Editor at Agriculture Week -- Investigators discuss new findings in Proteins. According to news reporting from Oslo, Norway, by VerticalNews journalists, research stated, "Microfiltration using 0.1-0.2 mu m membranes enables protein fractionation of skimmed milk into a casein-rich fraction and a permeate that contains native whey proteins. High-temperature, short-time pasteurisation is often one of the first treatments in many dairy processes."

The news correspondents obtained a quote from the research, "The objective of this study was to investigate whether initial pasteurisation would affect the fractions that are obtained from the onestage microfiltration of skimmed milk. Pasteurised and unpasteurised skimmed milk were fractionated at 55-58 degrees C using 0.2 mu m ceramic membranes. Chemical analysis of the microfiltration fractions showed that both the nitrogen and mineral distributions were altered by the initial pasteurisation. The permeate that was obtained from microfiltration of the unpasteurised milk contained higher amounts of calcium, phosphorous and native whey proteins, in addition to a lower amount of casein fragments passing through the membrane."

According to the news reporters, the research concluded: "The retentate that was obtained from microfiltration of the unpasteurised milk contained less total protein and casein."

For more information on this research see: Initial pasteurisation effects on the protein fractionation of skimmed milk by microfiltration. International Dairy Journal, 2014;37(1):26-30. International Dairy Journal can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier -; International Dairy Journal -

Our news journalists report that additional information may be obtained by contacting S. Svanborg, TINE SA R&D, N-0901 Oslo, Norway. Additional authors for this research include A.G. Johansen, R.K. Abrahamsen and S.B. Skeie.

Keywords for this news article include: Oslo, Norway, Europe, Caseins, Phosphoproteins

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Source: Agriculture Week

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