The Science of Slushies

Earlier this week, the convenience store chain 7-Eleven, celebrated their day, July 11th, by doling out millions of free small Slurpees to their customers. However, while guzzling down your free frozen slush, did you think about the complicated chemistry that goes into making the famous cold brews? The signature frozen Continue Reading

What are Polyfluorinated Alkyl Substances (PFASs), are they Harmful?

What Are PFAS? Environment and drinking water

Guest Author: Allen Misa Food safety issues and environmental contamination concerns are treated much differently based on the laws that govern them. Government agencies such as, the Food and Drug Administration (FDA), United States Department of Agriculture (USDA), and Environmental Protection Agency (EPA), administer these laws that are created at Continue Reading

What is the Food Testing Method Modernization Movement?

Guest Author: David Kennedy Chromatography –Whether gas, liquid, or some other variation – is an analytical tool whose primary purpose is to separate one chemical species from another, i.e., to “speciate”. Food is a complex mixture of hundreds, if not thousands, of chemical compounds, so the potential ability to isolate Continue Reading

FSMA and Scientifically Valid Methods

By Guest Author: David C. Kennedy, Ph.D. As mentioned in the previous post, FDA requires that food testing methods be scientifically valid. FDA starts with this deeply fundamental premise, but does not dictate a prescribed solution. This is in contrast to other regulatory agencies, notably the EPA Clean Water Act, Continue Reading