What is the primary function of a biocide or germicide?

The primary function of a biocide or germicide is to kill microbes. Biocides are chemical agents designed to eliminate or neutralize harmful microorganisms, including bacteria, viruses, fungi, and other pathogens. They are often used in various applications, such as disinfecting surfaces, sterilizing medical instruments, and preserving products to prevent microbial spoilage.

While inhibiting microbial growth is an important aspect of controlling microbial populations, the fundamental action that characterizes biocides is their ability to directly kill microbes rather than just slowing their reproduction or metabolic activity. Additionally, enhancing probiotic activity and preventing microbial resistance represent different strategies in microbiology that are not the main focus of biocides or germicides.