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Preclinical Drug Development

The drug development process is an iterative process. Each stage of development helps to ensure the final product is effective and safe. Preclinical drug development, often called preclinical studies, is the stage in the drug development process where the safety of...

US FDA Compliant Easter Egg Food Color Safety Testing

It's Easter weekend, and egg dyeing is in full force! Have you ever wondered about the food color safety testing of the easter egg dyes used on Easter eggs? Food coloring, dyes, and additives are regulated by the US Food and Drug Administration. Egg dye is a food...

Protein Digestibility Corrected Amino Acid Score Testing

Understanding PDCAAS PDCAAS is a scientific method used to evaluate the quality of a protein based on its amino acid content, corrected for its digestibility. It compares the amino acid profile of the food protein against a standard amino acid profile recommended...

The infographic above visually illustrates the concept of Protein Digestibility Corrected Amino Acid Score (PDCAAS) testing, including key components like a comparison chart for amino acid profiles, a diagram of protein digestibility, and a scoring scale for protein quality.

Minnesota’s CHRi Labs is More than Chemical Bonds

There's a strong family bond at CHRi's labs! If your company is pharmaceutical related and in the Midwest USA, you may want to focus your microscope on CHRi Labs. This is especially true if you like a special sense of caring and hand-holding that comes from working...

CHRi is a family owned Food Laboratory

CDC Seasonal Influenza Death Estimate Increases

According to a new study based on data obtained from forty-seven countries performed by the US Center for Disease Control (CDC) and other global health agencies, estimates of flu-related deaths worldwide are higher than previously thought. The study suggests that...

Influenza Viron

Compounding Pharmacies | USP 797

Compounding pharmacies are pharmacies that create personalized medications by mixing ingredients based on a doctor's prescription in an effort to meet a person's needs. Though compounding pharmacies lost popularity in the 50s and 60s when mass drug manufacturing...

Protein Characterization | Protein Identification

Protein characterization is a term used to describe the process of identifying the physical, chemical, and biological properties of a protein. Many techniques exist to perform protein analysis. Before proteins can be characterized and studied they must be isolated....

Lab Technician looking into microscope

FDA New Guidance | Food Safety Modernization Act FSMA

The US FDA recently announced it would be making changes to the way it enforces the Food Safety Modernization Act (FSMA) of 2011, an act meant to help ensure the safety of the food supply. The agency is calling the act the biggest food safety overhaul in 70 years....

FDA Issues New Guidance on Food Safety Modernization Act

Pet Food Testing for Campylobacter

Pet food testing is common to ensure it is free of disease-causing organisms such as campylobacter. Campylobacter is a bacterial infection that causes food poisoning that is somewhat common in puppies. It is estimated that as many as 49 percent of dogs carry the...

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