By a News Reporter-Staff News Editor at Life Science Weekly -- Fresh data on Proteins are presented in a new report. According to news reporting originating from Knoxville, Tennessee, by NewsRx correspondents, research stated, "Casein micelles in milk cause turbidity and have poor stability at acidic conditions. In this study, skim milk powder dispersions were alkalized to pH 10.0 or 11.0, corresponding to reduced particle mass."
Our news editors obtained a quote from the research from the University of Tennessee, "In the following acidification with hydrochloric or citric acid, the re-formation of casein particles was observed. The combination of treatment at pH 11.0 and acidification with citric acid resulted in dispersions with the lowest turbidity and smallest particles, which enabled translucent dispersions at pH 5.5-7.0, corresponding to discrete nanoparticles. The concentration of ionic calcium was lower when acidified with citric acid than hydrochloric acid, corresponding to smaller particles with less negative zeta potential. The pH 11.0 treatment followed by acidification with citric acid also resulted in smaller particles than the simple chelating effects (directly implementing sodium citrate)."
According to the news editors, the research concluded: "The produced casein nanoparticles with reduced dimensions can be used for beverage and other novel applications."
For more information on this research see: Improving Clarity and Stability of Skim Milk Powder Dispersions by Dissociation of Casein Micelles at pH 11.0 and Acidification with Citric Acid. Journal of Agricultural and Food Chemistry, 2013;61(38):9260-9268. Journal of Agricultural and Food Chemistry can be contacted at: Amer Chemical Soc, 1155 16TH St, NW, Washington, DC 20036, USA. (American Chemical Society - www.acs.org; Journal of Agricultural and Food Chemistry - www.pubs.acs.org/journal/jafcau)
The news editors report that additional information may be obtained by contacting K. Pan, University of Tennessee, Dept. of Food Sci & Technol, Knoxville, TN 37996, United States (see also Proteins).
Keywords for this news article include: Caseins, Knoxville, Tennessee, Treatment, Nanoparticle, United States, Nanotechnology, Phosphoproteins, Emerging Technologies, North and Central America
Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC