CoatingsTech Archives

Proteins and Peptides as Replacements for Traditional Organic Preservatives: Part I*

April 2018

By Tyler W. Hodges, Lisa K. Kemp, Brittney M. McInnis, Kyle L. Wilhelm, Jonathan D. Hurt, Steve McDaniel, James W. Rawlins

The utility of a high-throughput, spectrophotometric assay in screening over 23 enzyme and peptide-based additives against bacterial coating spoilage agents was evaluated. Candidate additives were then evaluated using ASTM D2574 for in-can coating spoilage challenges, and additives that may be used to substitute for traditional biocides were identified that eliminated recoverable bacterial growth.