Dhr. R. (Ran) Gao, MSc: “Ion Speciatie in melkachtige systemen”

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29 sep 2010 16:00
Onderdeel: Wageningen University
Locatie: Aula, gebouw 362, Gen. Foulkesweg 1, Wageningen
Organisatie: Wageningen University
Promotor: prof.dr.ir. M.A.J.S. van Boekel (Productontwerpen en kwaliteitskunde)
Co-Promotor: Dr. H.P. van Leeuwen

 Ion equilibria of milk, particularly the distribution of calcium phosphate between casein micelles and milk serum, play a crucial role in the conformation and stability of casein micelles. This PhD research was to quantify and model ion composition in terms of concentrations and activities of ions and ion complexes in milk-like systems. To study the consequences of varying processing steps on ion equilibria, the following conditions were varied: pH, ionic strength, calcium fortification and calcium complexation by different phosphates, and addition of various sugars. The developed models appear to be robust and versatile tools to describe ion equilibria in milk-like systems under all applied conditions. Therefore, a significant step can be made in transferring fundamental knowledge to the R&D environments of the dairy industry in particular, but also to that of the food industry in general. There this knowledge can then be applied in product and process development and also can be used to deliver solutions to problems in existing products.
Titel proefschrift: “Ion Speciation in Milk-like Systems”
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