Milky Gradient (IMAGE) University of California - San Diego Caption Rendered images of the components in milk as well as mixed concentrations. From left to right, the glasses contain: Water, water and vitamin B2, water and protein, water and fat, skimmed milk, regular milk, and whole milk. Credit UC San Diego Usage Restrictions Mandatory Credit: UC San Diego License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.