The Body’s Protein Cleaning Machine

When Dr. Avram Hershko, 74, a biochemist at the Technion-Israel Institute of Technology in Haifa and a winner of the 2004 Nobel Prize in Chemistry, was recently asked to name the most important fact of his life, he answered: “That I love my six grandchildren. For two, three days every week, I take them to dance class, sport and school. I am completely in their lives.” Continue reading

Additives Meant to Protect Vitamin C Actually Cause More Harm

Anti-caking agents in powdered products may hasten degradation of vitamin C instead of doing what they are supposed to do: protect the nutrient from moisture.

Lisa Mauer, a Purdue University professor of food science; Lynne Taylor, a professor of industrial and physical pharmacy; and graduate student Rebecca Lipasek study deliquescence, a reaction in which humidity causes a crystalline solid to dissolve. They wanted to understand how anti-caking agents protect substances such as vitamin C from humidity.

In Mauer’s laboratory, different anti-caking agents were blended with powdered sodium ascorbate, a common form of vitamin C, Continue reading